Chevrolet Silverado / GMC Sierra. Manual — part 910

8. Install J 43765-3 installer (1) into the rear hub of the oil pump cover assembly (2).

9. Press on J 43765-3 installer (1) until the stator shaft seats.

Fig. 239: Checking Total Indicated Runout (TIR) Of Stator Shaft
Courtesy of GENERAL MOTORS CORP.

10. Check the total indicated runout (TIR) of the stator shaft as follows:

1. Install the oil pump cover assembly (1) in a lathe, clamping on dimension D.

2. Use a dial indicator, to make sure the oil pump cover surface C is square with the

2008 Chevrolet Silverado 1500

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

Silverado

dimension D.

3. Check the TIR along the stator shaft axis B at the stator shaft pitch diameter A.

Specification: The TIR must not exceed 0.20 mm (0.008 in).

4. Remove the oil pump cover assembly from the lathe.

STATOR SHAFT NEEDLE BEARING REPLACEMENT

Tools Required

J 26941 Oil Pump Cover Needle Bearing Remover. See Special Tools.

J 8092 Universal Driver

J 43775 Oil Pump Cover Needle Bearing Installer. See Special Tools.

Replacement

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 240: Installing J 26941 (1) Into Bearing
Courtesy of GENERAL MOTORS CORP.

1. Install J 26941 (1) into the bearing (2) so that the lips of the tool engage the bottom lip of

the needle bearing race. See Special Tools.

2. Tighten the screw of J 26941 finger tight. See Special Tools.

IMPORTANT: Use this procedure if replacing only the stator shaft needle

bearing.

2008 Chevrolet Silverado 1500

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

Silverado