5R55N/W/SMajor Components

Fords 5R55W/S and N series transmissions have the following major components:• Case with integral converter housing and separate extension housing• Torque converter• Fluid PumpApply components• Three Bands• Three Clutch sets W/S and Four Clutch sets N• Two One-Way clutches W/S and Three sets NDriving components• Three Planetary Sets• Valve Body• Solenoid Body

N only

Rebuild InfoW/S Truck Transmission Disassembled View

Band Adjustments. Torque adjuster screw to 120 Lb-in and back off according to specifications.2000-2002 - All2 – Turns back2003-S Car1 ½ - Turns Back2003 Truck2 – Turns back

11 Nm8 Lb-Ft

Selective

Selective

End Play (front and back)Try to maintain about 0.015 to 0.025” end play on both the front and back sections.

25 Nm18 Lb-Ft

25 Nm18 Lb-Ft

Note:Clutch clearances will be listed on the “s”series and the “N”series illustrations.

Torque specs are listed in the “W/S”illustrations

Pump GearsInner gear must be installed with chamfer and seal facing the support “up” and outer gear index dot facing the converter “down”Alignment tools307-432307-431307-s309Use alignment pins when bolting pump halves together.

44 Nm33 Lb-Ft Plate requires alignment tool

RatioDependent

RatioDependent

Rebuild InfoW/S Truck Transmission Disassembled View

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26 Nm19Lb-Ft

Note:Rear Ring hub has a seal installed

Rebuild InfoW/S Truck Transmission Disassembled View

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11 Nm8 Lb-Ft

10 Nm89 Lb-In

8 Nm71 Lb-In

10 Nm89 Lb-In

Torque in 2 sequences:1st – 5Nm (44 Lb-In)2nd - 11 Nm (8 Lb-Ft)

Rotate till arrows align with slots to disassemble

Servo Install Tool:307-402

Note:Not recommended to use the servo cover with inner “0 – ring”Use “D” ring design

12 Nm110 Lb-In

Align grooves to bottomSo switch bolts on

Case bearing has a seal seal ring that when installed correctly faces “out”

Rebuild InfoS Car Transmission Disassembled View

Single sided plates1.3 to 2.0 mm0.051 to 0.79”Retaining ring selective

Directional plates1.3 to 2.0 mm0.051 to 0.79”Retaining ring selective

Caution:Band Struts are directional. Install with long end facing the band (up)

Note:Long spline faces out and shorter splinefaces in when assembled

Rebuild InfoS Car Transmission Disassembled View

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Directional plates1.3 to 2.0 mm0.051 to 0.79”Retaining ring selective

131 Nm97 Lb-Ft

Flange Pull-In Tool205-479307-404Rear Case

Bearing

Rebuild InfoS Car Transmission Disassembled View

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Note:Never reuse seal rings. Always install new when removed!

Rebuild InfoN Car Transmission Disassembled View

Rebuild InfoN Car Transmission Disassembled View

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Intermediate ClutchInstall with tool307-401

Intermediate SpragInstall with recess facing down and flat side towards hub

Intermediate ClutchSpec is just use new plates. They are single sided and are installed with the friction side of the plate facing down toward the cylinder during installation.

SpacerW/S spacer is longer than the N spacer

Rebuild InfoN Car Transmission Disassembled View

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ImportantMake sure 2nd clutch feed seal is installed correctly. Use updated spring supplied in most rebuild kits for additional hold down

RecommendedReplace the reverse pressure switch as part of rebuilding!