Chevrolet Silverado / GMC Sierra. 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