Chevrolet Silverado / GMC Sierra. Service 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