Chevrolet Silverado / GMC Sierra. Service manual — part 911

3. Install a slide hammer onto the end of J 26941 . See Special Tools.

4. Remove the needle bearing (2).

Fig. 241: Installing Oil Pump Cover Assembly Needle Bearing Using J 8092
Courtesy of GENERAL MOTORS CORP.

5. Install the large end of J 43775 (2) onto J 8092 (1). See Special Tools.

6. Drive the needle bearing (3) into the oil pump cover assembly (4) until J 43775 sets. See

Special Tools.

IMPORTANT: The needle bearing may be installed with either end up.

2008 Chevrolet Silverado 1500

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

Silverado

7. Ensure the bearing is installed below the stator shaft surface.

Specification: The needle bearing installed depth measurement is flush to 0.25 mm (0.010
in) below the stator shaft surface

STATOR SHAFT BUSHING REPLACEMENT

Tools Required

J 44529 Stator Shaft Bushing Remover. See Special Tools.

J 8092 Universal Driver

J 43774 Stator Shaft Bushing Installer. See Special Tools.

Replacement

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 242: Removing/Installing Stator Shaft Bushing With J Tools
Courtesy of GENERAL MOTORS CORP.

1. Position the oil pump cover assembly (10) supported by wooden blocks with the stator shaft

facing up.

2. Install J 44529 -2 bolt (8) into J 44529 -1 extractor (7).

3. Install J 44529 -2 bolt (8) and J 44529 -1 extractor (7) into the bushing (9).

4. Install washer (6) and nut (5) onto J 44529 -2 bolt (8).

NOTE:

Always use J 44529 when removing the stator shaft bushing to
help avoid damage to the stator shaft sealing surface.

2008 Chevrolet Silverado 1500

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

Silverado

5. Hold the top of J 44529 -2 bolt (8) with a wrench and tighten nut (5) until J 44529 -1

extractor (7) engages the bushing (9).

6. Install J 44529 -3 protector (4) onto J 44529 -2 bolt (8).

7. Install bearing (3), washer (2), and nut (1) onto J 44529-2 bolt (8).

8. Hold the top of J 44529 -2 bolt (8) with a wrench and tighten nut (1) until the bushing is

dislodged.

9. Remove the J tools from the stator shaft.

10. Remove the bushing from the J tools.

2008 Chevrolet Silverado 1500

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

Silverado