Download - CTM331 4045T Engine Service
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PowerTech 4.5 & 6.8 L DieselEnginesLevel 12 Electronic Fuel
CTM331 09APR02 (English)
COMPONENT TECHNICAL MANUAL
System with DE10 Pump
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POWERTECH 4.5L & 6.8LDiesel Engines
Level 12 ElectronicFuel System With
Stanadyne DE10 Pump
TECHNICAL MANUALPOWERTECH 4.5 L & 6.8 L Diesel
EnginesLevel 12 Electronic FuelSystem with DE10 Pump
CTM331 09APR02 (ENGLISH)
For complete service information also see:POWERTECH 4.5 L and 6.8 L DieselEnginesBase Engine . . . . . . . . . . . . . . . . . CTM104Alternators and Starter Motors. . . . . . . . . . . CTM77OEM Engine Accessories . . . . . . CTM67 (English Only)
John Deere Power SystemsLITHO IN U.S.A.
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Introduction
OUO1080,00001FE 1916NOV011/1
Forward
This manual is written for an experienced technician.Essential tools required in performing certain servicework are identified in this manual and arerecommended for use.
This manual (CTM331) covers only Level 12 ElectronicFuel System with the Stanadyne DE10 injection pump.It is one of five volumes on 4.5 L and 6.8 L engines.The following four companion manuals cover the baseengine, mechanical fuel system, level 4 electronic fuelsystem and level 1 electronic fuel system repair,operation and diagnostics:
CTM104Base Engine CTM170Level 4 Electronic Fuel System with
Bosch VP44 Pump CTM207Mechanical Fuel Systems CTM284Level 1 Electronic Fuel Systems with
Delphi (Lucas) DP201 Pump
Other manuals will be added in the future to provideadditional information on electronic fuel systems asneeded.
Live with safety: Read the safety messages in theintroduction of this manual and the cautions presentedthroughout the text of the manual.
This is the safety-alert symbol. When you see thissymbol on the machine or in this manual, be alert tothe potential for personal injury.
Use this component technical manual in conjunctionwith the machine technical manual. An applicationlisting in Section 01, Group 001 identifiesproduct-model/component type-model relationship. Seethe machine technical manual for information on
component removal and installation, and gainingaccess to the components.
Information is organized in sections and groups for thevarious components requiring service instruction.Section 05 summarizes all applicable essential tools,service equipment and tools, other materials needed todo the job, and service parts kits. Section 06summarizes all specifications, wear tolerances, andtorque values.
Before beginning diagnosis or repair on an engine,clean the engine.
This manual contains SI Metric units of measurefollowed immediately by the U.S. customary units ofmeasure. Most hardware on these engines is metricsized.
Some components of this engine may be servicedwithout removing the engine from the machine. Referto the specific machine technical manual forinformation on components that can be servicedwithout removing the engine from the machine and forengine removal and installation procedures.
Read each block of material completely beforeperforming service to check for differences inprocedures or specifications. Follow only theprocedures that apply to the engine model number youare working on. If only one procedure is given, thatprocedure applies to all the engines in the manual.
CALIFORNIA PROPOSITION 65 WARNINGDiesel engine exhaust and some of its constituentsare known to the State of California to causecancer, birth defects and other reproductive harm.
CTM331 (09APR02) 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
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Introduction
DPSG,OUO1004,129 1915MAY981/1
POWERTECH 4.5 L Engine with Level 12 Electronic Fuel System and Stanadyne DE10Pump
RG
1193
1UN
06N
OV0
1
Right Side of Engine
RG
1193
2UN
06N
OV0
1
Left Side of Engine
POWERTECH is a registered trademark of Deere & Company
CTM331 (09APR02) 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
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Introduction
CTM331 (09APR02) 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
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Contents01
SECTION 01General InformationGroup 000SafetyGroup 001Engine IdentificationGroup 002Fuels
02SECTION 02Repair and AdjustmentsGroup 090Electronic Fuel System Repair and
AdjustmentsGroup 110Electrical Engine Control Repair and
Adjustment
SECTION 03Theory of OperationGroup 130Electronic Fuel System OperationGroup 140Electronic Control System Operation
SECTION 04Diagnostics
03
Group 150Observable Diagnostics and TestsGroup 160Trouble Code Diagnostics and Tests
SECTION 05Tools and Other MaterialsGroup 170Electronic Fuel/Control System Repair
Tools and Other MaterialsGroup 180Diagnostic Service Tools
SECTION 06SpecificationsGroup 200Repair SpecificationsGroup 210Diagnostic Specifications
04
05
All information, illustrations and specifications in this manual are based onthe latest information available at the time of publication. The right isreserved to make changes at any time without notice.
06
COPYRIGHT 2002DEERE & COMPANY
Moline, IllinoisAll rights reserved
A John Deere ILLUSTRUCTION Manual
INDX
CTM331 (09APR02) i 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
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Contents
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01
Section 01General Information
Contents
Page
Group 000Safety . . . . . . . . . . . . . . . . . . . .01-000-1
Group 001Engine IdentificationEngine Model Designation. . . . . . . . . . . . . . . .01-001-1Engine Serial Number Plate Information . . . . .01-001-2OEM Engine Option Code Label . . . . . . . . . . .01-001-3Information Relative to Emissions
Regulations . . . . . . . . . . . . . . . . . . . . . . . . .01-001-3Engine Application Charts . . . . . . . . . . . . . . . .01-001-4
Group 002FuelsLubricants and Coolant . . . . . . . . . . . . . . . . . .01-002-1Diesel Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . .01-002-1Bio-Diesel Fuel . . . . . . . . . . . . . . . . . . . . . . . .01-002-2Dieselscan Fuel Analysis. . . . . . . . . . . . . . . . .01-002-2Lubricity of Diesel Fuel . . . . . . . . . . . . . . . . . .01-002-3
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Contents
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Group 000Safety
010001
DX,FLAME 1929SEP981/1
Handle Fluids SafelyAvoid Fires
TS22
7
UN2
3AUG
88
When you work around fuel, do not smoke or work nearheaters or other fire hazards.
Store flammable fluids away from fire hazards. Do notincinerate or puncture pressurized containers.
Make sure machine is clean of trash, grease, and debris.
Do not store oily rags; they can ignite and burnspontaneously.
DX,FIRE3 1916APR921/1
Handle Starting Fluid Safely
TS13
56UN
18M
AR92
Starting fluid is highly flammable.
Keep all sparks and flame away when using it. Keepstarting fluid away from batteries and cables.
To prevent accidental discharge when storing thepressurized can, keep the cap on the container, and storein a cool, protected location.
Do not incinerate or puncture a starting fluid container.
DX,FIRE2 1903MAR931/1
Prepare for Emergencies
TS29
1UN
23A
UG88
Be prepared if a fire starts.
Keep a first aid kit and fire extinguisher handy.
Keep emergency numbers for doctors, ambulance service,hospital, and fire department near your telephone.
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Safety
01000
2
DX,FLUID 1903MAR931/1
Avoid High-Pressure Fluids
X981
1UN
23A
UG88
Escaping fluid under pressure can penetrate the skincausing serious injury.
Avoid the hazard by relieving pressure beforedisconnecting hydraulic or other lines. Tighten allconnections before applying pressure.
Search for leaks with a piece of cardboard. Protect handsand body from high pressure fluids.
If an accident occurs, see a doctor immediately. Any fluidinjected into the skin must be surgically removed within afew hours or gangrene may result. Doctors unfamiliar withthis type of injury should reference a knowledgeablemedical source. Such information is available from Deere& Company Medical Department in Moline, Illinois, U.S.A.
DX,WEAR 1910SEP901/1
Wear Protective Clothing
TS20
6UN
23A
UG88
Wear close fitting clothing and safety equipmentappropriate to the job.
Prolonged exposure to loud noise can cause impairmentor loss of hearing.
Wear a suitable hearing protective device such asearmuffs or earplugs to protect against objectionable oruncomfortable loud noises.
Operating equipment safely requires the full attention ofthe operator. Do not wear radio or music headphoneswhile operating machine.
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Safety
010003
DX,LOOSE 1904JUN901/1
Service Machines Safely
TS22
8
UN2
3AUG
88
Tie long hair behind your head. Do not wear a necktie,scarf, loose clothing, or necklace when you work nearmachine tools or moving parts. If these items were to getcaught, severe injury could result.
Remove rings and other jewelry to prevent electricalshorts and entanglement in moving parts.
DX,AIR 1917FEB991/1
Work In Ventilated Area
TS22
0UN
23A
UG88
Engine exhaust fumes can cause sickness or death. If it isnecessary to run an engine in an enclosed area, removethe exhaust fumes from the area with an exhaust pipeextension.
If you do not have an exhaust pipe extension, open thedoors and get outside air into the area
DX,CLEAN 1904JUN901/1
Work in Clean Area
T664
2EJ
UN
18O
CT88
Before starting a job:
Clean work area and machine. Make sure you have all necessary tools to do your job. Have the right parts on hand. Read all instructions thoroughly; do not attempt
shortcuts.
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Safety
01000
4
DX,PAINT 1919JUL011/1
Remove Paint Before Welding or Heating
TS22
0UN
23A
UG88
Avoid potentially toxic fumes and dust.
Hazardous fumes can be generated when paint is heatedby welding, soldering, or using a torch.
Remove paint before heating:
Remove paint a minimum of 76 mm (3 in.) from area tobe affected by heating.
If you sand or grind paint, avoid breathing the dust.Wear an approved respirator.
If you use solvent or paint stripper, remove stripper withsoap and water before welding. Remove solvent orpaint stripper containers and other flammable materialfrom area. Allow fumes to disperse at least 15 minutesbefore welding or heating.
Do not use a chlorinated solvent in areas where weldingwill take place.
Do all work in an area that is well ventilated to carry toxicfumes and dust away.
Dispose of paint and solvent properly.
DX,TORCH 1903MAR931/1
Avoid Heating Near Pressurized Fluid Lines
TS95
3UN
15M
AY90
Flammable spray can be generated by heating nearpressurized fluid lines, resulting in severe burns toyourself and bystanders. Do not heat by welding,soldering, or using a torch near pressurized fluid lines orother flammable materials. Pressurized lines can beaccidentally cut when heat goes beyond the immediateflame area.
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Safety
010005
DX,LIGHT 1904JUN901/1
Illuminate Work Area Safely
TS22
3
UN2
3AUG
88
Illuminate your work area adequately but safely. Use aportable safety light for working inside or under themachine. Make sure the bulb is enclosed by a wire cage.The hot filament of an accidentally broken bulb can ignitespilled fuel or oil.
DX,SAFE,TOOLS 1910OCT971/1
Construct Dealer-Made Tools Safely
LX10
1674
9UN
01J
UL97
Faulty or broken tools can result in serious injury. Whenconstructing tools, use proper, quality materials, and goodworkmanship.
Do not weld tools unless you have the proper equipmentand experience to perform the job.
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Safety
01000
6
DX,SERV 1917FEB991/1
Practice Safe Maintenance
TS21
8UN
23A
UG88
Understand service procedure before doing work. Keeparea clean and dry.
Never lubricate, service, or adjust machine while it ismoving. Keep hands, feet , and clothing frompower-driven parts. Disengage all power and operatecontrols to relieve pressure. Lower equipment to theground. Stop the engine. Remove the key. Allow machineto cool.
Securely support any machine elements that must beraised for service work.
Keep all parts in good condition and properly installed. Fixdamage immediately. Replace worn or broken parts.Remove any buildup of grease, oil, or debris.
On self-propelled equipment, disconnect battery groundcable () before making adjustments on electricalsystems or welding on machine.
On towed implements, disconnect wiring harnesses fromtractor before servicing electrical system components orwelding on machine.
DX,REPAIR 1917FEB991/1
Use Proper Tools
TS77
9UN
08N
OV8
9Use tools appropriate to the work. Makeshift tools andprocedures can create safety hazards.
Use power tools only to loosen threaded parts andfasteners.
For loosening and tightening hardware, use the correctsize tools. DO NOT use U.S. measurement tools onmetric fasteners. Avoid bodily injury caused by slippingwrenches.
Use only service parts meeting John Deere specifications.
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Safety
010007
DX,DRAIN 1903MAR931/1
Dispose of Waste Properly
TS11
33UN
26N
OV9
0
Improperly disposing of waste can threaten theenvironment and ecology. Potentially harmful waste usedwith John Deere equipment include such items as oil, fuel,coolant, brake fluid, filters, and batteries.
Use leakproof containers when draining fluids. Do not usefood or beverage containers that may mislead someoneinto drinking from them.
Do not pour waste onto the ground, down a drain, or intoany water source.
Air conditioning refrigerants escaping into the air candamage the Earths atmosphere. Government regulationsmay require a certified air conditioning service center torecover and recycle used air conditioning refrigerants.
Inquire on the proper way to recycle or dispose of wastefrom your local environmental or recycling center, or fromyour John Deere dealer.
DX,LIVE 1925SEP921/1
Live With Safety
TS23
119
07O
CT88
Before returning machine to customer, make suremachine is functioning properly, especially the safetysystems. Install all guards and shields.
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Safety
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Group 001Engine Identification
010011
OUO1080,00001FA 1915NOV011/1
Engine Model Designation
John Deere Engine Model4045 and 6068 Engines
John Deere engine model designation includes number ofcylinders, displacement in liters, aspiration, user code, andapplication code. For example:
4045TF275 Engine4 ................................................................ Number of cylinders4.5 ............................................................. Liter displacementT ............................................................... Aspiration codeF ............................................................... User code275 ............................................................ POWERTECH application codeAspiration CodeD ............................................................... Naturally aspiratedT ............................................................... Turbocharged, no aftercoolingA ............................................................... Turbocharged and Air-to-Coolant AftercooledH ............................................................... Turbocharged and Air-to-Air AftercooledUser Factory CodeAT ............................................................. Agritalia srl (Vittoria, Sicily, Italy)CQ ............................................................ John Deere Brazil (Horizontina, Brazil)DW ............................................................ John Deere Davenport Works (Davenport, Iowa)E ............................................................... John Deere Ottumwa Works (Ottumwa, Iowa)F ............................................................... OEM (Outside Equipment Manufacturers)FF ............................................................. Deere-Hitachi (Kernersville, North Carolina)FG ............................................................. Goldoni S.P.A. (Modena, Italy)FM ............................................................ Marine EnginesH ............................................................... John Deere Harvester Works (East Moline, Illinois)KV ............................................................. John Deere Commercial Worksite Products (Knoxville, Tennessee)L ................................................................ John Deere Werke Mannheim (Germany)LA ............................................................. John Deere Werke Mannheim (Germany) (Engines with Bosch VP44 Injection Pump)LV ............................................................. John Deere Commercial Products (Augusta, Georgia)N ............................................................... John Deere Des Moines Works (Des Moines, Iowa)P ............................................................... Industrias John Deere Mexico S.A. de C.V. (Saltillo/Monterrey, Mexico)PY ............................................................. Larson & Toubro Ltd. (Pune, India)RW ............................................................ John Deere Waterloo Tractor Works (Waterloo, Iowa)T ............................................................... John Deere Dubuque Works (Dubuque, Iowa)T8 ............................................................. Cameco Industries (Thibodaux, Louisiana)TJ .............................................................. Timberjack (Deere) (Sweden/Finland/Canada)YC ............................................................. John Deere Jialian Harvester Co. Limited (China)Z ............................................................... John Deere WERKE Zweibrucken (Germany)Application Code001, etc. .................................................... See ENGINE APPLICATION CHARTS, later in this Group
POWERTECH is a registered trademark of Deere & Company
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Engine Identification
01001
2
OUO1080,00001FB 1915NOV011/1
Engine Serial Number Plate Information
RG
1181
6UN
15N
OV0
1
Engine Serial Number Plate
RG
9060
UN
16M
AR98
Dubuque Engine Serial Number Plate
RG
1194
9UN
07N
OV0
1Saran Engine Serial Number Plate
RG
1194
8UN
06N
OV0
1
Torreon Engine Serial Number Plate
AEngine Serial Number PlateBEngine Serial NumberCEngine Application DataDCoefficient of Absorption (Saran Engines Only)
IMPORTANT: The engine serial number plate (A) canbe easily destroyed. Before hot tankcleaning the block, remove the plate.
Engine Serial Number (B)
Each engine has a 13-digit John Deere engine serialnumber identifying the producing factory, engine modeldesignation, and a 6-digit sequential number. Thefollowing is an example:
CD4045T000000CD .......................... Factory producing engine4045T ..................... Engine model designation000000 ................... Sequential serial numberFactory Code (Engine Manufacturer)T0 ........................... Dubuque, IowaCD .......................... Saran, FrancePE .......................... Torreon, MexicoJ0 ........................... Rosario, ArgentinaEngine Model Designation4045T ..................... Definition explained previously. See ENGINE
MODEL DESIGNATION earlier in this group.Sequential Number000000 ................... 6-digit sequential serial number
Engine Application Data (C)
The second line of information on the serial number plateidentifies the engine/machine or OEM relationship. SeeENGINE APPLICATION CHARTS later in this group.
Coefficient of Absorption (D) (Saran-Built EnginesOnly)
The second line of information on the Saran serial numberplate also contains the coefficient of absorption value forsmoke emissions.
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Engine Identification
010013
OUO1080,000020E 1926NOV011/1
OEM Engine Option Code Label
RG
1202
7UN
03D
EC01
An option code label is secured to the top of the valvecover and identifies the factory installed options on eachOEM engine to ensure correct parts acquisition.
Always provide option code information and engine basecode when ordering repair parts. A listing of option codesis given in parts catalogs and operators manuals.
NOTE: Before hot tank cleaning, ensure that optioncodes are recorded elsewhere.
OUO1080,0000035 1929AUG011/1
Information Relative to Emissions Regulations
Depending on the final destination, engines can meetthe emissions regulations according to the USEnvironmental Protection Agency (EPA), California AirResources Board (CARB) and for Europe, theDirective 97/68/EC relating the measures against theemissions of particles and gaseous pollutant frominternal combustion engines. Such engines are calledCERTIFIED and receive an emission label stuck onthe engine.
The regulations prohibit tampering with theemission-related components listed below which wouldrender that component inoperative or to make anyadjustment on the engine beyond publishedspecifications. It is also illegal to install a part or
component where the principle effect of thatcomponent is to bypass, defeat, or render inoperativeany engine component or device which would affectthe engines conformance to the emission regulations.To summarize, it is illegal to do anything exceptreturn the engine to its original publishedspecifications.
List of emission-related components:
Fuel injection system Intake manifold Turbocharger Charge air cooling system Piston
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Engine Identification
01001
4
OUO1089,0000205 1909NOV011/1
Engine Application Charts
JOHN DEERE CONSTRUCTION & FORESTRY EQUIPMENTMachine Model Engine ModelDubuque310G Backhoe Loader (XXXXXX) PE4045DT058, T04045DT058310G Backhoe Loader (Alt Comp) (XXXXXX) PE4045TT088, T04045TT088310SG Backhoe Loader (XXXXXX) PE4045TT089, T04045TT089315SG Backhoe Loader (XXXXXX)450H Crawler Dozer (Alt Comp) (XXXXXX) PE4045TT084, T04045TT084450H Crawler Dozer (Nat Asp) (XXXXXX) PE4045DT058, T04045DT058450H LGP Crawler Dozer (XXXXXX) PE4045TT085, T04045TT085550H Crawler Dozer (XXXXXX) PE4045TT087, T04045TT087550H LGP Crawler Dozer (XXXXXX) PE4045TT086, T04045TT086Saltillo, Mexico120C Excavator PE4045HP050160C LC Excavator PE4045HP051Timberjack810 Forwarder CD4045HTJ011010 (1058) Forwarder T04045HTJ761410 (1458) Forwarder CD6068HTJ02770 (863) Harvester CD4045HTJ031070 (1063) Harvester CD6068HTJ03
JOHN DEERE AGRICULTURAL EQUIPMENTMachine Model Engine ModelZweibrucken, Germany3800 TeleHandler CD4045HZ050
JOHN DEERE OEM (OUTSIDE EQUIPMENT MANUFACTURERS)CD4045TF275PE4045HF275CD4045TF275PE4045TF275CD6068HF275PE6068HF275CD6068TF275PE6068TF275
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Group 002Fuels
010021
DPSG,OUO1004,2761 1916MAY001/1
Lubricants and Coolant
NOTE: Refer to Section 01, Group 002 of CTM104 BaseEngine Manual for information on lubricants andcoolants.
OUOD002,0000171 1918DEC011/1
Diesel Fuel
Consult your local fuel distributor for properties of thediesel fuel available in your area.
In general, diesel fuels are blended to satisfy the lowtemperature requirements of the geographical area inwhich they are marketed.
Diesel fuels specified to EN 590 or ASTM D975 arerecommended.
Required fuel properties
In all cases, the fuel must meet the followingproperties:
Cetane number of 45 minimum. Cetane numbergreater than 50 is preferred, especially fortemperatures below -20 C (-4 F) or elevations above1500 m (5000 ft).
Cold Filter Plugging Point (CFPP) below theexpected low temperature OR Cloud Point at least5 C (9 F) below the expected low temperature.
Fuel lubricity should pass a minimum load level of3100 grams as measured by ASTM D6078 or,maximum scar diameter of 0.45 mm as measured byASTM D6079.
Sulfur content:
Diesel fuel quality and fuel sulfur content mustcomply with all existing regulations for the area inwhich the engine operates.
Sulfur content less than 0.05% (500 ppm) ispreferred.
If diesel fuel with sulfur content greater than 0.05%(500 ppm) is used, crankcse oil service intervalsmay be affected. (See recommendation for DieselEngine Oil.)
DO NOT use diesel fuel with sulfur content greaterthan 1.0%.
IMPORTANT: DO NOT mix used engine oil or anyother type of lubricating oil withdiesel fuel.
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Fuels
01002
2
RG41183,0000046 1918DEC011/1
Bio-Diesel Fuel
Consult your local fuel distributor for properties of thebio-diesel fuel available in your area.
Bio-diesel fuels may be used ONLY if the bio-dieselfuel properties meet the latest edition of ASTM PS121,DIN 51606 or equivalent specification.
It has been found that bio-diesel fuels may improvelubricity in concentrations up to a 5% blend inpetroleum diesel fuel.
When using a blend of bio-diesel fuel, the engine oillevel must be checked daily when the air temperatureis -10 C (14 F) or lower. If the oil becomes diluted withfuel, shorten oil change intervals accordingly.
IMPORTANT: Raw pressed vegetable oils are NOTacceptable for use for fuel in anyconcentration in John Deereengines.
These oils do not burn completely,and will cause engine failure byleaving deposits on injectors and inthe combustion chamber.
A major environmental benefit of bio-diesel fuel is itsability to biodegrade. This makes proper storage andhandling of bio-diesel fuel especially important. Areasof concern include:
Quality of new fuel Water content of the fuel Problems due to aging of the fuel
Potential problems resulting from deficiencies in theabove areas when using bio-diesel fuel inconcentrations above 5% may lead to the followingsymptoms:
Power loss and deterioration of performance Fuel leakage Corrosion of fuel injection equipment Coked and/or blocked injector nozzles, resulting in
engine misfire Filter plugging Lacquering and/or seizure of internal components Sludge and sediments Reduced service life of engine components
DX,FUEL6 1906DEC001/1
Dieselscan Fuel Analysis
DIESELSCAN is a John Deere fuel sampling program tohelp you monitor the quality of your fuel source. It verifiesfuel type, cleanliness, water content, suitability for coldweather operation, and if fuel is within ASTMspecifications. Check with your John Deere dealer foravailability of DIESELSCAN kits.
DIESELSCAN is a trademark of Deere & Company
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Fuels
010023
OUOD002,0000179 1918DEC011/1
Lubricity of Diesel Fuel
Diesel fuel must have adequate lubricity to ensureproper operation and durability of fuel injection systemcomponents.
Diesel fuels for highway use in the United States andCanada require sulfur content less than 0.05% (500ppm).
Diesel fuel in the European Union requires sulfurcontent less than 0.05% (500 ppm).
Experience shows that some low sulfur diesel fuelsmay have inadequate lubricity and their use mayreduce performance in fuel injection systems due toinadequate lubrication of injection pump components.The lower concentration of aromatic compounds inthese fuels also adversely affects injection pump sealsand may result in leaks.
Use of low lubricity diesel fuels may also causeaccelerated wear, injection nozzle erosion or corrosion,engine speed instability, hard starting, low power, andengine smoke.
Fuel lubricity should pass a minimum load level of3100 gram as measured by the ASTM D6078 ormaximum scar diameter of 0.45 mm as measured byASTM D6079.
ASTM D975 and EN 590 specifications do not requirefuels to pass a fuel lubricity test.
If fuel of low or unknown lubricity is used, add JohnDeere PREMIUM DIESEL FUEL CONDITIONER (orequivalent) at the specified concentration.
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Fuels
01002
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Section 02Repair and AdjustmentsContents 02
Page Page
Group 090Electronic Fuel System Repair and Remove Blade Terminals from ConnectorAdjustments Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . .02-110-11
Fuel SystemGeneral Information . . . . . . . . .02-090-1 Repair (Pull Type) METRI-PACK Relieve Fuel System Pressure . . . . . . . . . . . .02-090-1 Connectors . . . . . . . . . . . . . . . . . . . . . . . .02-110-12Remove and Install Final Fuel Filter/Water Repair (Push Type) METRI-PACK
Bowl and/or Pre-Filter/Water Bowl Base . . .02-090-2 Connectors . . . . . . . . . . . . . . . . . . . . . . . .02-110-14Fuel Pre-Filter/Water Bowl Assembly Repair DEUTSCH Connectors . . . . . . . . . .02-110-17
(Optional). . . . . . . . . . . . . . . . . . . . . . . . . . .02-090-5 Repair AMP Connector . . . . . . . . . . . . . . . . .02-110-20Final Fuel Filter Assembly . . . . . . . . . . . . . . . .02-090-6Replace Final Fuel Filter/Water Bowl and
Pre-Filter/Water Bowl. . . . . . . . . . . . . . . . . .02-090-7Remove Fuel Supply Pump. . . . . . . . . . . . . . .02-090-9Install Fuel Supply Pump. . . . . . . . . . . . . . . .02-090-10Injection Pump Static Timing . . . . . . . . . . . . .02-090-10Remove Injection Pump . . . . . . . . . . . . . . . .02-090-11Inspect Injection Pump Drive Gear ID and
Shaft OD . . . . . . . . . . . . . . . . . . . . . . . . . .02-090-13Install Injection Pump . . . . . . . . . . . . . . . . . .02-090-13Remove Fuel Injection Nozzles . . . . . . . . . . .02-090-16Clean Fuel Injection Nozzle Bore . . . . . . . . .02-090-18Clean Fuel Injection Nozzles . . . . . . . . . . . . .02-090-18Fuel Injection Nozzle Test . . . . . . . . . . . . . . .02-090-19Disassemble Fuel Injection Nozzles . . . . . . .02-090-22Adjust Fuel Injection Nozzle . . . . . . . . . . . . .02-090-23Install Seals on Fuel Injection Nozzle . . . . . .02-090-24Install Fuel Injection Nozzles . . . . . . . . . . . . .02-090-25Bleed the Fuel System . . . . . . . . . . . . . . . . .02-090-26
Group 110Electrical Engine Control Repair andAdjustment
Engine Control Unit (ECU) . . . . . . . . . . . . . . .02-110-1Remove and Install Engine Coolant
Temperature Sensor . . . . . . . . . . . . . . . . . .02-110-2Remove and Install Loss of Coolant
Temperature Sensor . . . . . . . . . . . . . . . . . .02-110-2Replace Crankshaft Position Sensor . . . . . . . .02-110-3Remove and Install Oil Pressure Sensor . . . . .02-110-3Remove and Install Manifold Air Temperature
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . .02-110-4Remove and Install Fuel Temperature
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . .02-110-4Remove and Install Fuel Heater . . . . . . . . . . .02-110-5Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . .02-110-6Use Electrical Insulating Compound . . . . . . . .02-110-6Using High-Pressure Washer . . . . . . . . . . . . .02-110-7Repair WEATHERPACK Connector . . . . . . .02-110-8
CTM331 (09APR02) 02-1 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=1
-
Contents
02
CTM331 (09APR02) 02-2 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=2
-
Group 090Electronic Fuel System Repair and Adjustments
020901
OUO1089,00001F7 1906NOV011/1
Fuel SystemGeneral Information
Stanadyne DE10 pumps are static lock-pin timedduring installation of the injection pump.
The fuel supply pump is a separate componentmounted on upper right-hand side of engine block andis actuated by a pin in block that rides on enginecamshaft lobe.
Engines may be equipped with an optional fuelpre-filter/water bowl.
All engines are equipped with a round final fuel filterwith water bowl. Hand primer on top of filter element isoptional.
All engines use Stanadyne Rate Shaping Nozzles(RSN).
Field-installed options include fuel heater, water bowland hand fuel primer.
RG,35,JW7625 1920NOV971/1
Relieve Fuel System Pressure
X981
1UN
23A
UG88
High Pressure Fluids
CAUTION: Escaping diesel fuel under pressurecan have sufficient force to penetrate the skin,causing serious injury. Before disconnectinglines, be sure to relieve pressure. Beforeapplying pressure to the system, be sure ALLconnections are tight and lines, pipes andhoses are not damaged. Keep hands and bodyaway from pinholes and nozzles which ejectfluid under pressure. Use a piece of cardboardor wood, rather than hands, to search forsuspected leaks.
If ANY fluid is injected into the skin, it must besurgically removed within a few hours by adoctor familiar with this type injury or gangrenemay result. Doctors unfamiliar with this type ofinjury may call the Deere & Company MedicalDepartment in Moline, Illinois, or otherknowledgeable medical source.
Any time the fuel system has been opened up for service(lines disconnected or filters removed), it will be necessaryto bleed air from the system. See BLEED THE FUELSYSTEM in this group.
CTM331 (09APR02) 02-090-1 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=27
-
Electronic Fuel System Repair and Adjustments
02090
2
OUO1089,00001F6 1906NOV011/3
Remove and Install Final Fuel Filter/WaterBowl and/or Pre-Filter/Water Bowl Base
RG
1198
9UN
15N
OV0
1
Final Fuel Filter
AFinal Fuel Filter/Water Bowl
Refer to operators manual for proper servicing and(hourly) replacement intervals.
Engines are equipped with a final fuel filter/water bowl (A)and may have an optional pre-filter/water bowl.
Final fuel filters/water bowls can be equipped with atransparent (see-through) water collection bowl and/orhand primer on machines equipped with only one filter.
Continued on next page
CTM331 (09APR02) 02-090-2 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=28
-
Electronic Fuel System Repair and Adjustments
020903
OUO1089,00001F6 1906NOV012/3
RG
1202
1UN
26N
OV0
1
Final Fuel Filter Base
AFinal Fuel Filter Base
1. Thoroughly clean fuel filter/pre-filter assemblies andsurrounding area to keep from getting dirt and debrisinto fuel system.
2. Connect a drain line to filter drain adapters and drainall fuel from system.
NOTE: The fuel filters are keyed to the filter header. Ifboth pre-filter and final filter are removed, ensurethat they are reinstalled in the correct headers.
3. Remove final fuel filter element and pre-filter/waterbowl, if desired. See REPLACE FINAL FUELFILTER/WATER BOWL AND PRE-FILTER/WATERBOWL, in this group.
NOTE: Pre-filter and final filter fuel lines may beconnected to different filter inlet and outlet portsdepending on engine application. Mark fuel linelocation to aid during assembly. Refer to markingson fuel filter base for fuel inlet/outlet ports, as theyare different between the pre- and final filterbases.
4. Disconnect fuel lines from all ports.
5. Remove final fuel filter base (A).
6. If equipped, remove pre-filter base.
7. Replace parts as necessary.
8. Install mounting brackets and tighten to torquespecifications provided below.
SpecificationFinal Fuel FilterBracket-to-Cylinder HeadTorque 73 Nm (54 lb-ft).............................................................................Final Fuel Filter MountingBase-to-BracketTorque 73 Nm (54 lb-ft)................................................Fuel Pre-Filter Bracket-to-CylinderHead and AlternatorTorque 73 Nm (54 lb-ft).........................................Fuel Pre-Filter/Water BowlMounting Base-to-BracketTorque 50 Nm (36 lb-ft).............................................................................
CTM331 (09APR02) 02-090-3 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=29
Continued on next page
-
Electronic Fuel System Repair and Adjustments
02090
4
OUO1089,00001F6 1906NOV013/3
9. Install pre-filter and final filter fuel filter/water bowlelements. See REPLACE FINAL FUELFILTER/WATER BOWL AND PRE-FILTER/WATERBOWL, in this group.
10. Connect fuel lines to all ports.
11. Bleed the fuel system. See BLEED THE FUELSYSTEM in this group.
CTM331 (09APR02) 02-090-4 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=30
-
Electronic Fuel System Repair and Adjustments
020905
RG,35,JW7623 1921JAN021/1
Fuel Pre-Filter/Water Bowl Assembly(Optional)
RG
T775
1HR
UN
19N
OV9
7R
GT7
751H
SUN
19N
OV9
7
Primary Filter/Water Bowl Assembly
ADrain AdapterBPackingCCap ScrewDWater BowlERetaining RingFFilter ElementGFilter Base with Seal RingHVent PlugIPackingJPlug (2 used)KDiaphragmLSpring SeatMSpringNSpring CoverOPump KnobPRetaining Ring
CTM331 (09APR02) 02-090-5 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=31
-
Electronic Fuel System Repair and Adjustments
02090
6
OUO1080,00001FC 1915NOV011/1
Final Fuel Filter Assembly
RG
1201
5UN
16N
OV0
1
Final Fuel Filter
1Retaining Ring2O-Ring3Stem4O-Ring5Retaining Ring6Filter7O-Ring8O-Ring9Drain Adapter10Screw11O-Ring12Water Bowl13Adapter14O-Ring15Fuel Heater (Optional)16O-Ring17Filter Base18Primer Assembly (Optional)19Cap
CTM331 (09APR02) 02-090-6 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=32
-
Electronic Fuel System Repair and Adjustments
020907
OUO1089,00001F5 1906NOV011/2
Replace Final Fuel Filter/Water Bowl andPre-Filter/Water Bowl
RG
1199
0UN
15N
OV0
1
Final Fuel Filter Shown
ARetaining RingBFilter Element
NOTE: Refer to operators manual for proper servicingand (hourly) replacement intervals.Final fuel filters can be equipped with atransparent (see-through) water bowl and/or handprimer on machines equipped with only one filter.
Replacement of pre- and final fuel filter elementsare similar. Differences will be noted. Make surecorrect embossments on filter elements match theslots in the mounting header.
1. Thoroughly clean fuel filter/water bowl assembly andsurrounding area, if not previously done.
2. Connect a drain line to filter drain adapters and drainall fuel from filters.
NOTE: Lifting up on retaining ring (A) as it is rotatedhelps to get it past raised locators.
3. Firmly grasp the retaining ring (A) and rotate itcounterclockwise 1/4 turn. Remove ring with filterelement (B).
4. Inspect filter mounting base for cleanliness. Clean asrequired.
5. Remove transparent (see-through) water bowl, ifequipped. Drain and clean water bowl. Dry withcompressed air.
6. Install transparent (see-through) water bowl, ifequipped, onto new filter element. Make sure O-ring isproperly installed in the top groove of bowl.
7. Thoroughly inspect filter base dust seal ring. Replaceas needed.
Continued on next page
CTM331 (09APR02) 02-090-7 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=33
-
Electronic Fuel System Repair and Adjustments
02090
8
OUO1089,00001F5 1906NOV012/2
NOTE: The fuel filters must be indexed properly and thekey on canister must be oriented in slot ofmounting base for correct installation.
8. Install new filter element onto mounting base andposition element using a slight rocking motion. Be sureelement is properly indexed on mounting base.
9. Install retaining ring onto mounting base and tightenabout 1/3 turn until ring snaps into the detent. DONOT overtighten the retaining ring.
10. Bleed fuel system. See BLEED THE FUEL SYSTEM,in this group.
CTM331 (09APR02) 02-090-8 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=34
-
Electronic Fuel System Repair and Adjustments
020909
OUO1089,00001F8 1906NOV011/1
Remove Fuel Supply Pump
RG
1199
1UN
15N
OV0
1
Fuel Supply Pump Lines
RG
9051
UN
16M
AR98
Remove Fuel Supply Pump
RG
1202
2UN
27N
OV0
1
Fuel Supply Pump Push Rod
ASupply Pump Inlet from Fuel TankBSupply Pump Outlet to Final Fuel FilterCCap ScrewsDPush Rod
IMPORTANT: A backup wrench must always be usedwhen disconnecting fittings or fuel linesfrom supply pump to avoid damage tofittings.
1. Disconnect fuel inlet line (A) and outlet line (B) and capconnections on fuel supply pump and fuel lines to keepdebris out of fuel system.
2. Remove cap screws (C) and remove fuel supply pumpassembly from cylinder block.
NOTE: The fuel supply pump is driven by a push rod (D)that rides on an eccentric camshaft lobe. Thecylinder head must be removed to remove thispush rod.
3. Cover opening on cylinder block to prevent dirt fromentering the engine.
4. Inspect face of pump lever for wear. If lever face isworn flat or concave, replace pump.
CTM331 (09APR02) 02-090-9 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=35
-
Electronic Fuel System Repair and Adjustments
02090
10
OUO1089,00001FA 1906NOV011/1
Install Fuel Supply Pump
RG
1199
1UN
15N
OV0
1
Fuel Supply Pump Lines
ASupply Pump Inlet from Fuel TankBSupply Pump Outlet to Final Fuel FilterCCap Screws
IMPORTANT: Apply LOCTITE 242 to threads of supplypump mounting cap screws (C) and fuelline fittings when reinstalling supplypump. DO NOT allow sealant to get intofuel system.
1. Install the fuel supply pump to cylinder block withpumping lever resting on top of push rod, using a newO-ring. Tighten cap screws (C) to specifications.
SpecificationFuel Supply Pump Cap ScrewsTorque 30 Nm (22 lb-ft).............................................................................
IMPORTANT: ALWAYS use a backup wrench wheninstalling fittings and/or fuel lines ontosupply pump to avoid damage tofittings.
2. Connect supply pump inlet line (A) and outlet line (B)and tighten securely.
3. Bleed fuel system. See BLEED THE FUEL SYSTEM inthis group.
OUO1089,00001FB 1906NOV011/1
Injection Pump Static TimingStatic lock-pin timing is accomplished during installation ofthe injection pump. See INSTALL INJECTION PUMP laterin this group.
CTM331 (09APR02) 02-090-10 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=36
-
Electronic Fuel System Repair and Adjustments
0209011
OUO1089,00001FE 1907NOV011/2
Remove Injection Pump
RG
1200
2UN
16N
OV0
1
Stanadyne DE10 Fuel Injection Pump
RG
1203
6UN
21J
AN02
JDG1559 Injection Pump Timing Pin
RG
1200
0UN
21J
AN02
Injection Pump Drive Gear Removal
AJDG1559 Timing PinBInjection Pump Drive GearCScrews (2 used)DCenter Forcing Screw
IMPORTANT: Never steam clean or pour cold wateron a fuel injection pump while the pumpis running or while it is warm. Doing somay cause seizure of internal rotatingpump parts.
1. Clean the fuel injection pump, lines and area aroundthe pump with cleaning solvent or a steam cleaner.
2. Rotate engine to TDC of number 1 cylindercompression stroke and install JDG1571 Timing Pin inflywheel.
3. Before removing injection pump from engine, installJDG1559 Injection Pump Timing Pin (A) into pumptiming pin bore.
4. Remove injection pump drive gear cover (shownremoved). Remove drive gear retaining nut and washerfrom end of pump shaft. Be careful not to let washerfall inside timing gear cover.
5. Attach JDG1560 Drive Gear Puller to injection pumpdrive gear (B) using two screws (C).
6. Evenly tighten the two screws (C) and snugly tightencenter forcing screw (D) against end of pump shaft.
7. Tighten center forcing screw (D) until pump drive gearis free from tapered shaft. Remove JDG1560 Pullerfrom drive gear.
CTM331 (09APR02) 02-090-11 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=37
Continued on next page
-
Electronic Fuel System Repair and Adjustments
02090
12
OUO1089,00001FE 1907NOV012/2
RG
1200
1
UN1
6NO
V01
Injector Pump Electrical Connector Removal
RG
1200
3UN
16N
OV0
1
Disconnect Fuel Delivery Lines
ATemperature Sensor ConnectorBFuel Control Solenoid ConnectorCFuel Return LineDFuel Supply LineEClampFFuel Delivery LinesGNut (3 used)
8. Remove temperature sensor connector (A) and fuelcontrol solenoid connector (B).
IMPORTANT: ALWAYS use a backup wrench whenloosening or tightening fuel deliverylines at fuel injection pump, so that thepump discharge fittings are not altered.This prevents possible internal pumpdamage.
9. Disconnect fuel supply line (D) and return line (C).
10. Remove clamp (E) retaining fuel delivery (pressure)lines (F).
11. Disconnect all fuel delivery lines (F) from injectionpump and install protective caps.
12. Remove three injection pump mounting stud nuts (G).Remove injection pump from mounting studs. Placepump on a clean flat surface and inspect shaft ODand drive gear as outlined later in this group. SeeINSPECT INJECTION PUMP DRIVE GEAR ID ANDSHAFT OD later in this group.
CTM331 (09APR02) 02-090-12 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=38
-
Electronic Fuel System Repair and Adjustments
0209013
OUO1089,00001FC 1906NOV011/1
Inspect Injection Pump Drive Gear ID and Shaft ODIMPORTANT: Use a good light source to
thoroughly inspect gear ID and shaftOD.
1. Inspect injection pump drive gear ID full 360 formetal transfer as a result of slippage on shaft.
2. Inspect injection pump drive shaft OD full 360 forpresence of metal transfer from gear slippage. Ifthere is clear evidence of metal transfer on pumpshaft OD or in drive gear ID, injection pump anddrive gear MUST BE replaced.
IMPORTANT: When replacing injection pump drivegear or installing a new pump, thetapered surfaces of the pump driveshaft OD and drive gear ID MUST BEcleaned to remove protectivecoatings and oily residue. Use asuitable cleaner that does not leavea residue. Mating surfaces MUST BEASSEMBLED DRY and LUBRICANTSMUST NOT BE USED.
OUO1089,0000204 1908NOV011/3
Install Injection Pump
B
A
RG
1201
9UN
19N
OV0
1
Install Timing Pin
AJDG1559 Timing PinBHole in Drive Shaft
1. Before installing injection pump on engine, installJDG1559 Injection Pump Timing Pin (A) into pumptiming pin bore. Install a small punch or screwdriverinto hole in pump drive shaft (B) and turn shaft untiltiming pin drops into recess in injection pump driveshaft.
Continued on next page
CTM331 (09APR02) 02-090-13 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=39
-
Electronic Fuel System Repair and Adjustments
02090
14
OUO1089,0000204 1908NOV012/3
RG
1200
4UN
16N
OV0
1
Injection Pump Mounting Stud Nuts
RG
1200
7UN
16N
OV0
1
Injection Pump Timing Pin
RG
1200
8UN
16N
OV0
1
Injection Pump Gear Installation
AInjection Pump Mounting Stud Nut (3 used)BJDG1559 Injection Pump Lock Timing PinCGear Mounting NutDPump Gear
NOTE: When rotating engine to TDC of compressionstroke on number 1 cylinder, turn engine only indirection of rotation to prevent gear backlash.Backlash of gears is enough to throw the injectionpump timing off by several degrees, resulting inpoor engine performance.
2. Make sure that number 1 cylinder is locked at TDC ofcompression stroke and install JDG1571 Timing Pin inflywheel.
NOTE: Retain JDG1559 Timing Pin (B) in pump duringinstallation.
3. Install injection pump onto mounting studs and tightenthree pump mounting stud nuts (A) to specification.Position drive gear while installing pump.
SpecificationInjection Pump Mounting StudNutsTorque 25 Nm (19 lb-ft)..................................................................
4. Install injection pump gear (D) on drive shaft. Install,but do not tighten, injection pump gear mounting nut(C).
NOTE: Hold the injection pump gear while applyingtorque to prevent the gear from rotating.
5. Rotate gear counterclockwise (viewed from front ofengine) to remove any backlash, and tighten gearmounting nut to specification.
SpecificationInjection Pump Gear MountingNutTorque 195 Nm (145 lb-ft)................................................................
6. Install injection pump gear access plate and removetiming pin (B) from pump. Install plug in injection pumptiming pin hole and tighten to specification.
SpecificationInjection Pump Timing Pin PlugTorque 9.5 Nm (7.5 lb-ft)...........................................................................
7. Remove JDG1571 Timing Pin from flywheel.
CTM331 (09APR02) 02-090-14 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=40
Continued on next page
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Electronic Fuel System Repair and Adjustments
0209015
OUO1089,0000204 1908NOV013/3
RG
1200
1UN
16N
OV0
1
Injector Pump Electrical Connectors
RG
1200
3UN
16N
OV0
1
Connect Fuel Delivery Lines
RG
1203
5UN
11J
AN02
ATemperature Sensor ConnectorBFuel Control Solenoid ConnectorCFuel Return LineDFuel Supply LineEClampFFuel Delivery LinesGNut (3 used)HEngine Block SideIOutlet Connection to No. 1 Cylinder
8. Connect injection pump fuel delivery (pressure) lines(F). Beginning with outlet (I) and continuing around thepump head in counterclockwise direction, attach linesin same order as engine firing (1-5-3-6-2-4 on6-cylinder engines and 1-3-4-2 on 4-cylinder engines).
IMPORTANT: ALWAYS use a backup wrench whenloosening or tightening fuel deliverylines at fuel injection pump, so that thepump discharge fittings are not altered.This prevents possible internal pumpdamage.
9. Tighten fuel delivery lines at pump to specification.
SpecificationInjection Pump Fuel Delivery(Pressure) LinesTorque 27 Nm (20 lb-ft)...............................................
10. Install clamp (E).
11. Connect fuel supply line (D) and fuel return line (C).
12. Install temperature sensor connector (A) and fuelcontrol solenoid connector (B).
13. Bleed air from fuel system as outlined in this group.See BLEED THE FUEL SYSTEM in this group. Startengine, run for several minutes and check entire fuelsystem for leaks.
CTM331 (09APR02) 02-090-15 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=41
-
Electronic Fuel System Repair and Adjustments
02090
16
OUO1089,00001FF 1907NOV011/4
Remove Fuel Injection Nozzles
RG
1199
3UN
15N
OV0
1
Fuel Injection Nozzle
General Nozzle Service Precautions
Before removal, thoroughly remove all dirt from thecylinder head around fuel injection nozzles. Clean withcompressed air to prevent dirt from entering the cylinders.Plug the bore in the cylinder head after each nozzle hasbeen removed. Cap fuel line openings as soon as theyare disconnected.
Immediately fit protective caps over the nozzle tips andthe line connections to avoid handling damage and gettingdebris in fuel system.
Do not bend the fuel delivery lines, as this may affect theirdurability. When loosening the fuel pressure lines, holdmale union of nozzle line stationary with a backup wrench.
OUO1089,00001FF 1907NOV012/4
RG
1199
4UN
15N
OV0
1
Fuel Leak-Off Lines
ATube Nuts
1. Loosen tube nuts (A) at each nozzle to remove leak-offlines and T-fittings as an assembly.
Continued on next page
CTM331 (09APR02) 02-090-16 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=42
-
Electronic Fuel System Repair and Adjustments
0209017
OUO1089,00001FF 1907NOV013/4
RG
1199
9UN
19N
OV0
1
Fuel Injection Line at Nozzle
2. Disconnect fuel injection line from nozzle using abackup wrench on nozzle connection as shown.
3. Remove cap screw securing nozzle in cylinder headnozzle bore.
OUO1089,00001FF 1907NOV014/4R
G12
018
UN
16N
OV0
1
Injection Nozzle Puller Set
AJDG1515-1 Nozzle Puller
4. Pull injection nozzle out of cylinder head usingJDG1515-1 Nozzle Puller (A).
IMPORTANT: Do not use screwdrivers, pry bars, orsimilar tools for this as they mightdamage the injection nozzle beyondrepair.
CTM331 (09APR02) 02-090-17 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=43
-
Electronic Fuel System Repair and Adjustments
02090
18
RG,35,JW7596 1920NOV971/1
Clean Fuel Injection Nozzle Bore
RG
7743
UN
07N
OV9
7
Clean Injection Nozzle BoreANozzle Bore Cleaning Tool
IMPORTANT: Always turn tool clockwise in bore toprevent dulling of cutting edges, evenwhen removing tool from bore.
Clean injection nozzle bore using JDE39 Nozzle BoreCleaning Tool (A). Blow debris from bore usingcompressed air, and plug the bore to prevent entry offoreign material.
OUO1080,00001FD 1915NOV011/1
Clean Fuel Injection Nozzles
RG
1199
5UN
15N
OV0
1
Clean Fuel Injection Nozzle
ACarbon Stop SealBUpper Sealing Washer
1. Remove carbon stop seal (A) from groove in nozzlebody using razor blade or sharp knife and removeupper sealing washer (B). Discard seal and washer.
2. Place nozzle in solvent or clean diesel fuel, so carbonstop seal groove is submerged, and soak for a while.
IMPORTANT: Do not scrape or disturb the TEFLON coating on the nozzle body above thecarbon stop seal groove. This coatingwill become discolored during normaloperation, but this is not harmful. Donot use a motor-driven brush to cleannozzle body.
3. After soaking, clean nozzle tip with brass wire brush.Never use a steel wire brush or scraper.
TEFLON is a registered trademark of the DuPont Co.
CTM331 (09APR02) 02-090-18 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=44
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Electronic Fuel System Repair and Adjustments
0209019
OUO1089,0000200 1907NOV011/3
Fuel Injection Nozzle Test
X981
1UN
23A
UG88
High Pressure Fluid
L307
41UN
08A
UG89
Fuel Injection Nozzle Test
1Nozzle Tester2Pressure Line
CAUTION: The nozzle tip should always bedirected away from the operator. Fuel from thespray orifices can penetrate clothing and skincausing serious personal injury. Enclosing thenozzle in a clear glass beaker is recommended.
Before applying pressure to the nozzle tester,be sure that all connections are tight, and thatthe fittings are not damaged. Fluid escapingfrom a very small hole can be almost invisible.To search for suspected leaks, use a piece ofcardboard or wood, rather than hands.
If ANY fluid is injected into the skin, it must besurgically removed within a few hours by adoctor familiar with this type injury or gangrenemay result.
NOTE: Testing the performance of a nozzle while theengine is running is just a rough test. To obtain atrue check of nozzle performance, use a nozzletester JT25510 (1) and pressure line KJD10109(2).Use only carefully filtered diesel fuel for testingthe injection nozzles, since dirty fuel will severelydamage the precision parts of a nozzle.
Connect the nozzle to the tester so that the axis of thenozzle forms an angle of approximately 30 to the verticaland the spray of fuel is directed downwards. Check allconnections for leaks. Close the gauge shut-off valve andflush (bleed) the nozzle by operating test pump rapidly.
Continued on next page
CTM331 (09APR02) 02-090-19 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=45
-
Electronic Fuel System Repair and Adjustments
02090
20
OUO1089,0000200 1907NOV012/3
Spray Pattern Test
Close gauge shut-off valve and operate the pump lever at60 strokes per minute. If the fuel injection nozzle isworking properly, the fuel should issue through all nozzleorifices in a fine, evenly shaped spray cone. This spraycone is inclined from the centerline of the nozzle body, butshould be distributed. For a better check, place a piece ofpaper or cardboard at a suitable distance below thenozzle and check the appearance of the damp circularspots made by the fuel. Deviations from the regular spraypattern or angle may be due to the complete or partialclogging of a nozzle orifice. In this case the fuel issues ina jet rather than in a fine spray.
Checking Valve Stem and Guide Wear
Connect fuel injection nozzle to the nozzle tester with thetip raised a little higher than its opposite end.Cover the tip and pump the tester to a pressure of10 300 kPa (103 bar) (1500 psi). Keep the pressureconstant and observe how much fuel leaks out of thenozzle return end. After the first drop has formed, countthe drops for 30 seconds and compare with specification.
Fuel Injection NozzleSpecificationNozzleReturn Leakage at10 300 kPa (103 bar) (1500 psi) 1 to 14 drops (maximum) within
30 seconds.............
Checking Valve Seat
Connect the nozzle to tester in horizontal position.Operate the pump lever rapidly to bleed the nozzle andallow the valve to seat. Dry the tip of the nozzlethoroughly. Now operate the pump lever slowly until theindicated pressure is approximately 2800 to 3500 kPa(28 to 35 bar) (400 to 500 psi) below opening pressure(see specification for opening pressure). Keep watchingthe nozzle. Under these conditions the fluid should notdrip out of the nozzle tip. However some weeping or lightmoisture on the tip is considered acceptable. Work thepump lever quickly several times in succession to makethe nozzle spray in the normal way. After the last stroke ofthe pump, observe again. If the nozzle is not quiteleakproof, disassemble for servicing.
CTM331 (09APR02) 02-090-20 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=46
Continued on next page
-
Electronic Fuel System Repair and Adjustments
0209021
OUO1089,0000200 1907NOV013/3
Opening Pressure Test
NOTE: Absolute opening pressure is less important thanequal opening pressure of all nozzles.
Close gauge shut-off valve and actuate the pump severaltimes to allow the nozzle valve to seat properly. Opengauge shut-off valve. Pump the pressure up to the pointwhere the pressure gauge needle falls rapidly. This point(take reading) is the nozzle valve opening pressure.
Fuel Injection NozzleSpecificationRate Shaping NozzleOpeningPressure for Setting(New or Reconditioned) 24 40024 900 kPa
(244249 bar) (35403620 psi).............................................
Opening Pressure for Checking(New or Reconditioned) 24 100 kPa (241 bar) (3500 psi)
Min..........................
Opening Pressure for Setting(Used) 23 00023 600 kPa
(230236 bar) (33403420 psi)........................................................................
Opening Pressure for Checking(Used) 21 800 kPa (218 bar) (3170 psi)
Min.....................................................
Rate Shaping NozzleOpeningpressure difference betweencylinders 700 kPa (7 bar) (100 psi) Max.....................................................
If spray pattern, leakage test, and valve wear test aregood but the opening pressure test is unsatisfactory,adjust opening pressure.
CTM331 (09APR02) 02-090-21 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=47
-
Electronic Fuel System Repair and Adjustments
02090
22
OUO1089,0000201 1907NOV011/1
Disassemble Fuel Injection Nozzles
RG
1199
6UN
15N
OV0
1
RSN Nozzle Disassembly
AT-FittingBCapCO-Ring (2 used)DRetainerEProtection CapFCarbon Stop SealGSeal WasherHProtection Cap
NOTE: If all tests prove that the nozzle performs properly,no further service is necessary and the nozzle canbe reinstalled. If an injection nozzle is notoperating properly and must be disassembled forcleaning and/or reconditioning, see yourStanadyne dealer.
CTM331 (09APR02) 02-090-22 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=48
-
Electronic Fuel System Repair and Adjustments
0209023
OUO1089,0000202 1907NOV011/2
Adjust Fuel Injection Nozzle
X981
1UN
23A
UG88
High Pressure Fluids
RG
1199
7UN
15N
OV0
1
RSN Nozzle Adjust
APressure Adjusting ScrewBLift Adjusting ScrewCSpring Chamber CapDLift Adjusting Screw Lock NutEPressure Adjusting Screw Lock NutFSpring Seat
CAUTION: Nozzle tip should always be directedaway from operator. Fuel from spray orificescan penetrate clothing and skin causing seriouspersonal injury. Enclosing nozzle in a glassbeaker is recommended.
Before applying pressure to nozzle tester, besure all connections are tight, and fittings arenot damaged. Fluid escaping from a very smallhole can be almost invisible. Use a piece ofcardboard or wood, rather than hands, tosearch for suspected leaks.
If ANY fluid is injected into the skin, it must besurgically removed within a few hours by adoctor familiar with this type injury or gangrenemay result.
1. Unscrew spring chamber cap (C) using JDG1521Spring Chamber Cap Wrench.
2. Loosen and remove lift adjusting screw lock nut (D).
3. Loosen pressure adjusting screw lock nut (E) usingJDG1515-2 Special Wrench.
4. Connect nozzle to tester, then adjust opening pressureto specifications by turning the pressure adjustingscrew (A). Use JDG1522 Pressure Adjusting ScrewTool.
5. Tighten pressure adjusting screw lock nut (E) tospecification, then recheck opening pressure.
6. Carefully screw lift adjusting screw (B) until it bottomson spring seat (F).
7. Unscrew lift adjusting screw with 7/8 turn.
8. Tighten lift adjusting screw lock nut (D) to specification.
CTM331 (09APR02) 02-090-23 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=49
Continued on next page
-
Electronic Fuel System Repair and Adjustments
02090
24
OUO1089,0000202 1907NOV012/2
9. Recheck opening pressure.
Fuel Injection NozzleSpecificationPressure Adjusting Screw LockNutTorque 10 Nm (7 lb-ft)......................................................................Lift Adjusting Screw Lock NutTorque 5 Nm (3.5 lb-ft)..............................................................................
RG,35,JW7586 1920NOV971/1
Install Seals on Fuel Injection Nozzle
RG
9096
UN
27M
AR98
Fuel Injection Nozzle Seals
ACarbon Stop Seal InstallerBCarbon Stop SealCSeal Washer
IMPORTANT: Each time an injection nozzle isremoved from the cylinder head,replace carbon stop seal (B) with a newone.
1. Position JD258 (JD-258) Nozzle Carbon Stop SealInstaller (A) over nozzle tip.
2. Install a new seal washer (C) onto nozzle body.
3. Position a new carbon stop seal (B) on seal installer.Slide the carbon seal until it seats in its groove onnozzle body.
NOTE: If nozzle is not going to be installed at this time,install a No. 16189 Nozzle Protector Cap overnozzle tip. Plug all other openings in nozzle toprevent contamination.
CTM331 (09APR02) 02-090-24 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=50
-
Electronic Fuel System Repair and Adjustments
0209025
OUO1080,0000200 1916NOV011/2
Install Fuel Injection Nozzles
RG
1199
8UN
19N
OV0
1
Injection Nozzle in Cylinder Head
IMPORTANT: Before installing injection nozzles, makesure nozzles are clean and free from oilor grease.
NOTE: If nozzle bore in cylinder head must be cleaned,use JDE39 Nozzle Bore Cleaning Tool. SeeREMOVE FUEL INJECTION NOZZLES earlier inthis group.
1. Remove plug (if installed previously) from nozzle borein cylinder head and blow out bore with compressedair.
NOTE: Make sure that the sealing surface of the cylinderhead (on which the seal washer will be resting) issmooth and free of damage or dirt. This couldprevent proper sealing. Dirt and roughness couldalso cause nozzle to be distorted when theattaching screw is tightened, making the valvestick.
2. Install nozzle with spacer and clamps in cylinder headusing a slight twisting motion as nozzle is seated inbore. Illustration shows relationship of parts requiredfor proper installation.
3. Align nozzle clamps and install cap screw. Do nottighten cap screw at this stage.
4. Connect fuel pressure line to nozzle. Leave connectionslightly loose until air is bled from system.
5. Tighten nozzle hold-down clamp cap screws tospecifications.
SpecificationFuel Injection Nozzle Hold-DownClamp Cap ScrewsTorque 40 Nm (30 lb-ft)...........................................
6. Install leak-off line assembly.
SpecificationFuel Leak-Off Line Hex NutTorque 5 Nm (3.7 lb-ft)
(44 lb-in.)..............................................................................
CTM331 (09APR02) 02-090-25 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=51
Continued on next page
-
Electronic Fuel System Repair and Adjustments
02090
26
OUO1080,0000200 1916NOV012/2
RG
1199
9UN
19N
OV0
1
Nozzle Fuel Pressure Line
7. Bleed air from loose injection line connection. Tightenconnection using two wrenches to the followingspecifications.
SpecificationFuel Injection Nozzle DeliveryLineTorque 27 Nm (20 lb-ft)...................................................................
See BLEED THE FUEL SYSTEM in this group.
OUO1089,0000203 1907NOV011/5
Bleed the Fuel System
X981
1UN
23A
UG88
High Pressure Fluids
CAUTION: Escaping fluid under pressure canpenetrate the skin causing serious injury. Avoidhazards by relieving pressure beforedisconnecting hydraulic or other lines. Tightenall connections before applying pressure.Search for leaks with a piece of cardboard.Protect hands and body from high pressurefluids.
If an accident occurs, see a doctor immediately.Any fluid injected into the skin must besurgically removed within a few hours organgrene may result. Doctors unfamiliar withthis type of injury may call the Deere &Company Medical Department in Moline, Illinois,or other knowledgeable medical source.
Any time the fuel system has been opened up for service(lines disconnected or filters removed), it will be necessaryto bleed air from the system.
The fuel system may be bled at one of several locations.On some engine applications it may be necessary toconsult your operators manual and choose the bestlocation for your engine/machine application.
CTM331 (09APR02) 02-090-26 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=52
Continued on next page
-
Electronic Fuel System Repair and Adjustments
0209027
OUO1089,0000203 1907NOV012/5
RG
1180
5UN
25O
CT01
Final Fuel Filter Bleed Vent Screw
ABleed Vent Screw
1. Loosen the air bleed vent screw (A) two full turns byhand on fuel filter base.
OUO1089,0000203 1907NOV013/5R
G11
806
UN
25O
CT01
Fuel Supply Pump Primer LeverBPrimer Lever
2. Operate fuel supply pump prime lever (B) or primerbutton on fuel filter base (if equipped).
3. Tighten bleed plug securely; continue operating primeruntil pumping action is not felt.
4. Start engine and check for leaks.
If engine will not start, it may be necessary to bleed airfrom fuel system at fuel injection pump or injectionnozzles as explained next.
Continued on next page
CTM331 (09APR02) 02-090-27 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=53
-
Electronic Fuel System Repair and Adjustments
02090
28
OUO1089,0000203 1907NOV014/5
RG
1180
7UN
25O
CT01
Fuel Injection Pump Return Line
AFuel Return Line
At Fuel Injection Pump
1. Loosen fuel return line (A) at fuel injection pump.
2. Operate fuel supply pump primer lever or primer buttonon fuel filter base (if equipped).
3. As soon as fuel flow is free from air bubbles, tightenfuel return line to specifications. Primer lever isspring-loaded and will return to normal position.
SpecificationFuel Injection Pump ReturnLineTorque 27 Nm (20 lb-ft)...................................................................
OUO1089,0000203 1907NOV015/5
RG
1180
8UN
25O
CT01
Nozzle Fuel Pressure Line
At Fuel Injection Nozzles
1. Place throttle lever in half-throttle position.
IMPORTANT: Always use a backup wrench whenloosening or tightening fuel lines atnozzles and/or injection pump to avoiddamage.
2. Using two open-end wrenches, loosen two fuel lineconnections at injection nozzles.
3. Crank engine over with starter motor for 15 seconds(but do not start engine) until fuel without any airbubbles flows out of loosened connection. Retightenconnection to specifications.
SpecificationFuel Injection Nozzle DeliveryLinesTorque 27 Nm (20 lb-ft).................................................................
4. Repeat procedure for remaining injection nozzles (ifnecessary) until all air has been removed from fuelsystem.
If engine still will not start, see your authorized servicingdealer or engine distributor.
CTM331 (09APR02) 02-090-28 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=54
-
Group 110Electrical Engine Control Repair and Adjustment
021101
OUO1080,0000201 1916NOV011/1
Engine Control Unit (ECU)
RG
1200
6UN
15N
OV0
1
Engine Control Unit (ECU)
IMPORTANT: DO NOT pressure wash the EngineControl Unit (ECU).
Before welding on engines with ECU,protect the ECU from high-currentdamage as follows:
1. Disconnect ECU-to-vehicle frameground connection.
2. Disconnect all other connectors fromECU. Also disconnect moduleconnector at injector pump.
3. Connect welder ground close towelding point and make sure ECUand other electrical components arenot in the ground path.
NOTE: For diagnosis and testing of the electronic enginecontrol and sensors, refer to Group 150.
IMPORTANT: DO NOT OPEN ENGINE CONTROLUNIT.
NOTE: The sealed ECU assembly is the systemcomponent LEAST likely to fail. Ensure that it isisolated and identified as the defective componentbefore replacing. See operation and test manualfor proper troubleshooting procedures.
The ECU is not repairable. If it is found to be defective,replace it as a unit. Provide the 13-digit engine serialnumber when ordering a new ECU.
IMPORTANT: If an ECU is not programmed identicallywith the original (failed) ECU,misleading diagnostic messages, poorperformance, or engine damage canoccur.
CTM331 (09APR02) 02-110-1 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=55
-
Electrical Engine Control Repair and Adjustment
02110
2
OUO1080,0000202 1916NOV011/1
Remove and Install Engine CoolantTemperature Sensor
RG
1200
9UN
16N
OV0
1
Engine Coolant Temperature Sensor
AEngine Coolant Temperature Sensor
1. Disconnect engine coolant temperature sensor wiringconnector and remove sensor.
2. Coat sensor O-ring with JDT405 High TemperatureGrease and install sensor in thermostat housing.Tighten to specifications.
SpecificationEngine Coolant TemperatureSensorTorque 15 Nm (11 lb-ft)..............................................................
3. Install sensor wiring connector.
RG40854,000014A 1911FEB021/1
Remove and Install Loss of CoolantTemperature Sensor
RG
1076
6UN
26M
AY00
Loss of Coolant Temperature (Rear of Cylinder Head)
ALoss of Coolant Temperature Sensor
1. Disconnect loss of coolant temperature sensor wiringconnector and remove sensor.
2. Coat sensor O-ring with JDT405 High TemperatureGrease and install sensor in the rear of the cylinderhead. Tighten to specifications.
SpecificationLoss of Coolant TemperatureSensorTorque 35 Nm (26 lb-ft)..............................................................
3. Install sensor wiring connector.
CTM331 (09APR02) 02-110-2 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=56
-
Electrical Engine Control Repair and Adjustment
021103
OUO1080,0000203 1916NOV011/1
Replace Crankshaft Position Sensor
RG
1201
1UN
16N
OV0
1
Crankshaft Position Sensor
ACrankshaft Position Sensor
1. Disconnect sensor wiring connector.
2. Using a deep well socket, remove crankshaft positionsensor (A).
3. Replace sensor and O-ring in timing gear cover.Tighten sensor to specifications.
SpecificationCrankshaft Position SensorTorque 14 Nm (10 lb-ft).............................................................................
4. Install sensor wiring connector.
OUO1080,0000204 1916NOV011/1
Remove and Install Oil Pressure Sensor
RG
1055
0UN
02D
EC99
Oil Pressure Sensor
1. Disconnect oil pressure sensor wiring connector(shown disconnected) and remove sensor from cylinderblock.
2. Coat threads of sensor with LOCTITE 592 PipeSealant with TEFLON . Install sensor in oil coolerhousing and tighten to specifications.
SpecificationOil Pressure SensorTorque 15 Nm (11 lb-ft).........................................
3. Install sensor wiring connector.
LOCTITE is a registered trademark of Loctite Corp.TEFLON is a registered trademark of Du Pont Co.
CTM331 (09APR02) 02-110-3 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=57
-
Electrical Engine Control Repair and Adjustment
02110
4
OUO1080,00001F5 1909NOV011/1
Remove and Install Manifold Air TemperatureSensor
RG
1201
3UN
16N
OV0
1
Manifold Air Temperature Sensor
AManifold Air Temperature Sensor
1. Disconnect air temperature sensor wiring connectorand remove sensor (A) from air intake line.
2. Replace O-ring and install sensor in air intake line.Tighten sensor to specifications.
SpecificationManifold Air TemperatureSensorTorque 10 Nm (7 lb-ft)................................................................
3. Install sensor wiring connector.
OUO1080,00001F6 1912NOV011/1
Remove and Install Fuel Temperature Sensor
RG
1201
4UN
16N
OV0
1
Fuel Temperature SensorA Fuel Temperature Sensor
1. Disconnect fuel temperature sensor wiring connectorand remove sensor (A) from fuel injection pump.
2. Replace O-ring and install sensor into fuel injectionpump and tighten to specifications.
SpecificationFuel Temperature SensorTorque 1318 Nm (1013 lb-ft)..............................................................
3. Install sensor wiring connector.
CTM331 (09APR02) 02-110-4 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=58
-
Electrical Engine Control Repair and Adjustment
021105
OUO1080,00001F7 1912NOV011/1
Remove and Install Fuel Heater
RG
1201
6UN
16N
OV0
1
Fuel Heater
1. Disconnect fuel heater wiring connector and removeheater from filter base.
2. Replace O-ring and install fuel heater in primary fuelfilter inlet port to specifications.
SpecificationFuel HeaterTorque 9 Nm (7 lb-ft)...........................................................
3. Install heater wiring connector.
CTM331 (09APR02) 02-110-5 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=59
-
Electrical Engine Control Repair and Adjustment
02110
6
RG,RG34710,1328 1923OCT971/1
Connectors
Connectors are devices that provide for assembly anddisassembly of systems. Connectors should always beserviced using tools designed for that type of connector. Agood crimp is important to mechanical and electricalsoundness. Repaired connectors should be physicallytested by pulling to be sure the contact is firmly attachedto the conductor.
IMPORTANT: If for some reason the connectors arenot connected, such as when the fuelinjection pump is removed, it isimportant to protect the connectorsfrom debris.
Refer to the procedures which follow for repair of varioustypes of connectors.
RG,RG34710,1335 1923OCT971/1
Use Electrical Insulating Compound
Apply AT66865 Compound directly to the terminalsbetween the wire seal and connector body. This providesa moisture barrier, especially in wet and humid conditions.
CTM331 (09APR02) 02-110-6 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=60
-
Electrical Engine Control Repair and Adjustment
021107
RG,RG34710,1329 1923OCT971/1
Using High-Pressure Washer
T664
2EJ
UN
18O
CT88
Using High-Pressure Washer
IMPORTANT: Reduce pressure when directingpressurized water at electronic orelectrical components and connectorsas this may cause the components tomalfunction. Always reduce pressure,and spray at a 45 to 90 degree angle.
CTM331 (09APR02) 02-110-7 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=61
-
Electrical Engine Control Repair and Adjustment
02110
8
AG,OUOD008,296 1906MAR021/4
Repair WEATHERPACK Connector
TS01
28UN
23A
UG88
1. Disconnect WEATHERPACK connector. Remove thetie bands and tape.
2. Open the secondary lock on the back of the connector.
3. Identify wire color/number to the connector cavity.Make sure each wire goes back to the correct cavitylocation.
4. Insert JDG364 Extraction Tool1 over terminal contact inconnector body. Extraction tool needs to be fullyseated to unlock terminal tangs from the connectorbody. When tool is seated, gently pull the wire from theback of the connector. If the wire(s) or terminal(s) arebeing repaired, go to step 5. If the wires and terminalsare OK and only the connector is being replaced, go tostep 9.
5. Using JDG145 Universal Electrical Pliers2, cut off wiredirectly behind the terminal seal crimp. If any part ofthe seal is still on the wire, dispose of it.
6. Using JDG145 Universal Electrical Pliers2, strip 6 mm(1/4 in.) insulation from end of wire.
WEATHERPACK is a trademark of Packard Electric
1 Included in JT07195B Electrical Repair Kit
2Included in JDG155 Electrical Repair Tool Kit
Continued on next page
CTM331 (09APR02) 02-110-8 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=62
-
Electrical Engine Control Repair and Adjustment
021109
AG,OUOD008,296 1906MAR022/4
TS01
36UN
23A
UG88
7. Select correct size of seal. Slide the seal over the wireinsulation with the smaller diameter side facing the endof the wire. Small diameter side of seal should line upwith the outer edge of the insulation.
IMPORTANT: The seal must fit snug over the cableinsulation without a gap between thecable seal and the insulation.
NOTE: Cable seals are color coded for three sizes ofwire:
Green - 1820 Gauge Wire Gray - 1416 Gauge Wire Blue - 1012 Gauge Wire
AG,OUOD008,296 1906MAR023/4
TS16
23UN
02N
OV9
4
8. Select correct size terminal on wire and crimp inposition with a W-type crimp using a JDG783WEATHER PACK Crimping Tool.
NOTE: Terminals have numbered identification for twosizes of wire:
#15 - 1416 Gauge Wire #19 - 1820 Gauge Wire
WEATHER PACK is a trademark of Packard Electric Continued on next page
CTM331 (09APR02) 02-110-9 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=63
-
Electrical Engine Control Repair and Adjustment
02110
10
AG,OUOD008,296 1906MAR024/4
TS01
30UN
23A
UG88
TS01
39UN
02D
EC88
ASleeveBPin
9. Insert terminal into connector. Terminal should clickwhen it is fully seated. Make sure the wire is insertedinto the correct connector cavity.
IMPORTANT: Terminal tangs must be carefully spreadto ensure good seating on connectorbody. If terminal is being reused in anew connector, make sure tangs arespread.
NOTE: Connector bodies are keyed for correctterminals. Be sure terminals are correctly aligned.
Correct terminal installation for sleeve (A) and pin(B) is illustrated.
10. Gently pull on wire to insure that the terminal islocked in position.
11. Repair or transfer remaining wires.
12. Close the secondary lock on the back of theconnector.
13. Retape wires and add the required tie bands to theharness.
CTM331 (09APR02) 02-110-10 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=64
-
Electrical Engine Control Repair and Adjustment
0211011
AG,OUOD008,297 1906MAR021/1
Remove Blade Terminals from ConnectorBody
RW
4218
UN
23A
UG88
ALocking TangBOriginal Position
NOTE: Use JDG776 Extraction Tool with 56, 280, and630 Series METRI-PACK terminals. Use JDG777Extraction Tool with 150 Series METRI-PACKterminals.
1. Insert JDG776 or JDG777 Terminal Extraction Tool1into connector body pushing the terminal locking tanginward.
2. Gently pull wire and remove terminal from connector.
3. Adjust the locking tang on the terminal to its originalposition before installing into a connector.
1Included in JT07195B Electrical Repair Kit
CTM331 (09APR02) 02-110-11 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=65
-
Electrical Engine Control Repair and Adjustment
02110
12
AG,OUOD008,298 1906MAR021/2
Repair (Pull Type) METRI-PACK Connectors
RG
1223
1AUN
13M
AR02
RG
1223
2AUN
13M
AR02
RW
1693
5AUN
05A
UG98
AConnectorBConnector SealCJDG777 Terminal Extraction ToolDTerminal Locking TangETerminal
1. Disconnect the METRI-PACK connector (A) from theECU.
2. Remove tie bands and tape from the wiring harnessbehind the connector.
3. Identify wire color/number to the connector cavity.Make sure each wire goes back to the correct cavitylocation.
4. Using JDG776 Terminal Extraction Tool (C)1, carefullyremove the connector seal (B) from the back of theconnector.
IMPORTANT: Make sure no damage to the sealoccurs or water and contaminants willcorrode terminals.
NOTE: Extraction tool must be used from the back of theconnector.
5. Using JDG776 Terminal Extraction Tool (C), angle thetip so it slides along the top edge of the connector.Make sure the extraction tool is centered in theconnector cavity and push the tool in until resistance isfelt.
6. With extraction tool inserted into the connector, gentlyrotate tool clockwise and counter-clockwise (no morethan 1/8 turn each direction) to depress the terminallocking tang (D).
7. Remove extraction tool from back of connector.
8. Push wire until terminal has extracted from the front ofthe connector. If terminal does not extract, repeat steps4-6.
METRI-PACK is a trademark of Delphi Packard Electric Systems
1 Included JT07195B Electrical Repair Kit
CTM331 (09APR02) 02-110-12 4.5 L & 6.8 L Level 12 Electronic Fuel System040902
PN=66
Continued on next page
-
Electrical Engine Control Repair and Adjustment
0211013
AG,OUOD008,298 1906MAR022/2
RG
1223
4AUN
13M
AR02
RG
1223
3AUN
13M
AR02
RW
1693
5AUN
05A
UG98
DTerminal Locking TangECorrect Terminal OrientationFWireGJDG783 Terminal Crimping ToolHJDG707 Terminal Crimping Tool
9. Using JDG145 Universal Electrical Pliers1, cut off wiredirectly behind the terminal.
IMPORTANT: Save as much wire as possible. If only acouple of wires are shorter than therest, all of the strain will be placed onthem. Damage to the harness mayoccur.
10. Using JDG145 Universal Electrical Pliers1, strip 6 mm(1/4 in.) insulation from end of wire.
11. If wire has been removed from the connector, makesure the wire is fed through the connector (F) and inthe correct cavity.
12. Using either JDG783 (G) or JDG707 (H) CrimpingPliers, crimp a new terminal on the wire.
13. Make sure terminal locking tang (D) on new terminalis in outward position. Pull wire back into connectorcavity until terminal locks.
NOTE: Terminal will seat only one way. If terminal doesnot pull into the connector body socket, check forcorrect terminal alignment (E).
14. Push on the wire to make sure terminal is locked intothe connector.
15. Slide the connector seal back into the connector.Make sure seal is in its origional position.
16. Retape the wires and add the required tie bands tothe harness.
1Included in JDG155 Electrical Repair Tool Kit
CTM331 (09APR02) 02-