Chevrolet Silverado / GMC Sierra. Manual - part 898
1. Position the converter housing/oil pump cover module (2) on the work table so that the
torque converter housing is facing up.
2. Remove the oil seal assembly (1).
Fig. 198: View Of Oil Seal Assembly Retaining Bolts
Courtesy of GENERAL MOTORS CORP.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
3. Remove 10 bolts (1).
Fig. 199: Identifying Bolt Seals
Courtesy of GENERAL MOTORS CORP.
4. Remove the seals (2) from the bolts (1).
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 200: Converter Housing, Oil Pump Cover Module, Channel Plate And Gasket
Courtesy of GENERAL MOTORS CORP.
5. Remove the converter housing (1) from the oil pump cover module (3).
IMPORTANT: Do not damage the torque converter housing to case channel
plate when separating the torque converter housing from the
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
6. Remove the torque converter housing to case channel plate gasket (2) from the torque
converter housing to case channel plate (4).
Fig. 201: Identifying Overlap Seal Rings, Stator Shaft, Rear Hub and Thrust
oil pump cover module.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado