Chevrolet Silverado / GMC Sierra. Manual — part 96

Fig. 309: Crankshaft Rear Oil Seal Housing
Courtesy of GENERAL MOTORS CORP.

2. Install the NEW housing with the seal using the following procedure.

1. Leave the sleeve in the seal and use the sleeve as a guide to ease installing the seal lip

over the end of the crankshaft.

2. Push the housing fully onto the crankshaft until the housing is against the seal gasket

and the engine.

3. Remove the sleeve.

3. Install the crankshaft rear oil seal housing bolts and nut.

IMPORTANT: Do not oil or grease the seal lip or the crankshaft seal

area.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Tighten: Tighten the bolts and nut to 12 N.m (106 lb in).

4. Install the engine flywheel. Refer to Engine Flywheel Replacement.

5. Install the oil pan. Refer to Oil Pan Replacement.

ENGINE FLYWHEEL REPLACEMENT

Removal Procedure

Fig. 310: View Of Flywheels

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Courtesy of GENERAL MOTORS CORP.

1. Remove the automatic transmission. Refer to Transmission Replacement .

2. Remove the flywheel bolts.

3. Remove the flywheel (1 or 2).

4. Clean and inspect the flywheel, if necessary. Refer to Engine Flywheel Cleaning and

Inspection.

Installation Procedure

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado