Chevrolet Silverado / GMC Sierra. Service manual — part 131

Fig. 439: View Of Crankshaft Rear Oil Seal Housing Nut & Bolts
Courtesy of GENERAL MOTORS CORP.

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

4. Remove the crankshaft rear oil seal housing.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 440: Identifying Crankshaft Rear Oil Seal Housing Gasket
Courtesy of GENERAL MOTORS CORP.

5. Remove the crankshaft rear oil seal housing gasket.

6. Discard the crankshaft rear oil seal housing gasket.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 441: Locating Crankshaft Rear Oil Seal Housing Retainer Stud
Courtesy of GENERAL MOTORS CORP.

7. Remove the crankshaft rear oil seal housing retainer stud from the engine block.

CRANKSHAFT AND BEARING REMOVAL

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 442: Crankshaft Bearing Caps
Courtesy of GENERAL MOTORS CORP.

1. Mark or identify the crankshaft bearing cap locations, direction, and positions for assembly.

2. Remove the crankshaft bearing cap bolts and discard.

3. Remove the crankshaft bearing caps.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado