Chevrolet Silverado / GMC Sierra. Manual - part 96
Fig. 308: Locating Crankshaft Rear Oil Seal Housing Gasket
Courtesy of GENERAL MOTORS CORP.
1. Install a NEW housing gasket.
IMPORTANT: When installing a NEW housing the seal will come with the
housing. If reusing the housing and then installing a NEW
seal follow the instructions for installing the housing and
than refer to Crankshaft Rear Oil Seal Replacement to install
the seal.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
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