Chevrolet Silverado / GMC Sierra. Service manual — part 498

UPPER OIL PAN REPLACEMENT

Tools Required

J 37228 Seal Cutter. See Special Tools .

Removal Procedure

Fig. 295: Oil Level Indicator Tube
Courtesy of GENERAL MOTORS CORP.

1. Remove the oil level indicator.

2. Remove the oil level indicator tube bolt from the indicator tube bracket.

3. If vehicle is a 4-wheel drive (4WD), remove the front differential carrier. Refer to

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Differential Carrier Assembly Replacement (1500 FWD) or Differential Carrier
Assembly Replacement (2500 4WD) .

4. If vehicle is a 2-wheel drive (2WD), disconnect the relay rod from the pitman arm and idler

arm. Refer to Relay Rod Replacement .

5. Remove the lower oil pan. Refer to Lower Oil Pan Replacement.

6. Remove the engine flywheel. Refer to Engine Flywheel Replacement.

Fig. 296: View Of Battery Cable Bracket Bolts At Lower Crankcase
Courtesy of GENERAL MOTORS CORP.

7. Remove the battery cable bracket bolts.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 297: View Of Battery Cable Bracket Nut
Courtesy of GENERAL MOTORS CORP.

8. Remove the battery cable bracket nut.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 298: View Of Flywheel Housing To Upper Oil Pan Bolts
Courtesy of GENERAL MOTORS CORP.

9. Remove the two flywheel housing to upper oil pan bolts.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado