Chevrolet Silverado / GMC Sierra. Service manual — part 643

Fig. 100: View Of Upper Oil Pan
Courtesy of GENERAL MOTORS CORP.

2. Install the upper oil pan to the engine block.

2008 Chevrolet Silverado 1500

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

Fig. 101: Upper Oil Pan Bolts Tightening Sequence
Courtesy of GENERAL MOTORS CORP.

3. Install the upper oil pan bolts.

Tighten: Tighten the upper oil pan bolts in sequence to 20 N.m (15 lb ft).

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

Fig. 102: View Of Flywheel Housing To Upper Oil Pan Bolts
Courtesy of GENERAL MOTORS CORP.

4. Install the two flywheel housing to upper oil pan bolts.

Tighten: Tighten the two flywheel housing to upper oil pan bolts to 50 N.m (37 lb ft)

2008 Chevrolet Silverado 1500

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

Fig. 103: View Of Oil Level Indicator
Courtesy of GENERAL MOTORS CORP.

5. Install the oil level indicator tube.

6. Install the oil level indicator tube bracket bolt.

Tighten: Tighten the oil level indicator tube bracket bolt to 21 N.m (15 lb ft).

LOWER OIL PAN INSTALLATION

2008 Chevrolet Silverado 1500

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