Chevrolet Silverado / GMC Sierra. Manual - part 889
Fig. 169: Lint Free Cloth For Park Pawl Apply Assembly Guide Hole
Courtesy of GENERAL MOTORS CORP.
11. Remove the lint free cloth (1) from the park pawl apply assembly guide hole in the
transmission case (2).
REAR BALL BEARING REMOVAL
Tools Required
J 43910 Output Shaft Bearing Puller Leg Set. See Special Tools.
J 24420-B Universal Puller. See Special Tools.
J 43769 Spanner Nut Wrench - 4WD. See Special Tools.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Removal
Fig. 170: View Of Yoke From Output Shaft
Courtesy of GENERAL MOTORS CORP.
1. Position the transmission so that the rear of the transmission is facing up.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
2. Remove the flange or yoke (1) from the output shaft (2).
3. If present, remove the oil seal assembly.
4. On 4WD transmissions only, use a wrench on the manual shift shaft flats to rotate the manual
shift shaft to the fullest clockwise position.
IMPORTANT: The fullest clockwise position of the manual shift shaft is
park (P), which engages the park pawl.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 171: Output Nut (4WD)
Courtesy of GENERAL MOTORS CORP.
5. On 4WD transmissions only, perform the following steps:
1. Install J 43769 (1) onto the output nut (2). See Special Tools.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado