NUMBER: 5–60–01 S.M. REF.: 6.6 ENGINE: 60 DATE: February 2001

SUBJECT: WASTEGATE CALIBRATION ON TURBOCHARGERS

INTRODUCTION

Detroit Diesel has a complete and updated list of wastegate calibrations and the part numbers for differentturbocharger manufacturers. The specs covered in this bulletin are for the Series 60 diesel engine only.

DETAILS AND SERVICING

Prior to servicing the turbocharger, inspect the nameplate to determine the turbocharger manufacturer.

NOTE:There is a difference in wastegate calibration for the Garrett® and BorgWarner Turbo Systems®.

See Figure 1 for a typical calibration set-up, using DDC tool set TLZ00100. After determining themanufacturer and model, find calibration specs listed in Table 1.

Figure 1 Typical Calibration Set-up

NOTE:DDC tool set TLZ00100, Wastegate Turbo Calibration Kit, is available in Canton P.D.C.

Manufacturer Model Rating Can Pressure Rod Travel

Garrett 11.1L 330–350 Hp 26.5–27.5 lb·in.2

(182.71–189.61 kPa)0.040 in.(1.016 mm)

Garrett 12.7L 330–500 Hp 30.5–31.5 lb·in.2

(210.29–217.19 kPa)0.040 in.(1.016 mm)

Garrett 14.0L 550–575 Hp 30.5–31.5 lb·in.2

(210.29–217.19 kPa)0.040 in.(1.016 mm)

BorgWarner Turbo Systems 12.7 330–430 Hp 33.97–34.03 lb·in.2

(234.22–234.63 kPa)0.057–0.089 in.(1.45–2.26 mm)

Garrett® is a registered trademark of Honeywell.BorgWagner Turbo Systems® is a registered trademark of BorgWagner Corportation.

Table 1 Wastegate Calibrations

ADDITIONAL SERVICE INFORMATION

Additional service information is available in the Detroit Diesel Series 60 Service Manual, 6SE483.The next revision to this manual will include the revised information. As a convenience to holders ofthe Series 60 Service Manual, information in service manual format is attached. The page(s) may beinserted into the manual.

NOTE:Manual insert pages are numbered for insertion into the current Series 60 Service Manual datedOctober 2000. Service manuals are available from authorized Detroit Diesel distributors. If thisbulletin was obtained from the Internet, service manual page(s) are available by returning to thescreen “SIB Index”, selecting attachment pages, and printing the page(s).

Detroit Diesel®, DDC®, Series 60® and the spinning arrows design are registered trademarks of Detroit Diesel Corporation. BorgWagner Turbo Systems® is a registeredtrademark of BorgWagner Corportation. Garrett® is a registered trademark of Honeywell.© Copyright 2001 Detroit Diesel Corporation. All rights reserved. Printed in U.S.A.