Chevrolet Silverado / GMC Sierra. Service manual — part 952

1. Remove the retaining ring (1).

Fig. 377: View Of OSS Reluctor Wheel & Output Carrier Support Bearing
Assembly
Courtesy of GENERAL MOTORS CORP.

2. To remove the output carrier support bearing assembly from the low and reverse clutch

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

housing, 2WD on a 2WD transmission, perform the following procedure:

1. Position the low and reverse clutch housing, 2WD (1) on the press so that the inside of

the housing is facing down.

2. Press the output speed sensor (OSS) reluctor wheel (2) and the output carrier support

bearing assembly (3) from the low and reverse clutch housing, 2WD.

Fig. 378: View Of Output Carrier Support Bearing And Low And Reverse Clutch

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Housing (4WD)
Courtesy of GENERAL MOTORS CORP.

3. To remove the output carrier support bearing from the low and reverse clutch housing, 4WD

on a 1000 Series™ 4WD transmission, perform the following procedure:

1. Position the low and reverse clutch housing, 4WD (1) on the worktable with the inside

of the housing facing down.

2. Using a drift, tap the output carrier support bearing (2) from the low and reverse

clutch housing, 4WD.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 379: Aligning Low And Reverse Clutch Piston Tang
Courtesy of GENERAL MOTORS CORP.

4. Position the low and reverse clutch housing (1) on the work table so that the inside of the

housing is facing up.

5. Gently pry the low and reverse clutch piston (2) from the low and reverse clutch housing

(1).

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado