Chevrolet Silverado / GMC Sierra. 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