Chevrolet Silverado / GMC Sierra. Manual — part 1147

6. Install the oil pump assembly (4) into the case and align all holes properly.

Fig. 456: View Of J 25025-1
Courtesy of GENERAL MOTORS CORP.

7. Install the pump to case bolts (2) with new O-ring seals (3).

assembly, during torque converter installation. Refer to
Converter Housing Installation.

NOTE:

Refer to Fastener Notice .

IMPORTANT: The pump to case bolt O-ring seals (3) must be replaced.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Tighten: Tighten the bolts to 29 N.m (21 lb ft).

8. Remove the J 25025-1 .

Fig. 457: Locating Pump To Case Bolts & O-Ring Seals
Courtesy of GENERAL MOTORS CORP.

9. Install the remaining pump to case bolts (2) and O-ring seals (3), in the holes where the J

25025-1 were.

Tighten: Tighten the bolts to 29 N.m (21 lb ft).

TRANSMISSION END PLAY CHECK

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado