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Chevrolet Silverado / GMC Sierra. Manual - part 1167
Fig. 526: Cross Sectional View Of Output Shaft Seal
Courtesy of GENERAL MOTORS CORP.
1. Using the J 21426 , install an output shaft sleeve (690) and an output shaft seal (691). See
Special Tools.
Do not push the sleeve past the machined surface on the output shaft.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
Fig. 527: Locating Case Extension Case Seal
Courtesy of GENERAL MOTORS CORP.
2. Install the case extension to case seal (30) and the case extension (31).
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
3. Install the case extension to case bolts (32).
Tighten: Tighten the bolts to 45 N.m (33 lb ft).
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
Fig. 528: View Of Transmission Speed Sensor
Courtesy of GENERAL MOTORS CORP.
4. Inspect the transmission speed sensor for the following conditions:
Cracks
Nicks
Damage
Fig. 529: View Of Speed Sensor, Retaining Bolt & O-Ring Seal
Courtesy of GENERAL MOTORS CORP.
5. Install a new O-ring seal (37) on the internal transmission speed sensor (36).
6. Install the internal transmission speed sensor (36).
7. Install the speed sensor retaining bolt (35).
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
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