Chevrolet Silverado / GMC Sierra. Service manual — part 925

Fig. 287: View Of 1-2-3-4, 4-5 Clutch Housing Bushing
Courtesy of GENERAL MOTORS CORP.

1. Gently tap the bushing through the inside of the 1-2-3-4, 4-5-6 clutch housing until the

bushing becomes dislodged.

2. Remove the bushing (2) from the 1-2-3-4, 4-5-6 clutch housing (1).

3. Remove any nicks or burrs with a crocus cloth.

Installation Procedure

IMPORTANT: DO NOT score the 1-2-3-4, 4-5-6 clutch housing bore when

removing the clutch housing bushing.

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 288: Installing 1-2-3-4, 4-5 Clutch Housing Bushing
Courtesy of GENERAL MOTORS CORP.

1. Position the 1-2-3-4, 4-5-6 clutch housing (4) on a press so that the front of the housing is

facing up.

IMPORTANT: The preferred method for installing the 1-2-3-4, 4-5-6 clutch

housing bushing is to use the J 43778 and a press. See
Special Tools. If a press is not available, use the J 43778 and

2008 Chevrolet Silverado 1500

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

Silverado

2. If the bushing will be installed without a press, install the large end of J 43778 (2) onto J

8092 (1). See Special Tools.

3. Install a new bushing (3) onto J 43778 (2). See Special Tools.

4. Using J 8092 , press or drive the new bushing into the clutch housing.

Specification: The bushing depth measurement is flush to 0.25 mm (0.01 in) below the 1-2-
3-4, 4-5-6 clutch housing surface.

1-2-3-4 AND 4-5-6 CLUTCH HOUSING RELUCTOR WHEEL REPLACEMENT

Tools Required

J 43767 Tone Wheel Staker. See Special Tools.

J 43768 Tone Wheel Driver. See Special Tools.

Removal Procedure

the J 8092 . See Special Tools.

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 289: Identifying Stakes On 1-2-3-4, 4-5 Clutch Housing
Courtesy of GENERAL MOTORS CORP.

1. Grind the stakes from the 1-2-3-4, 4-5-6 clutch housing (1).

2008 Chevrolet Silverado 1500

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

Silverado