Chevrolet Silverado / GMC Sierra. Manual — part 134

Fig. 452: Engine Block Oil Gallery Plugs
Courtesy of GENERAL MOTORS CORP.

7. Remove the engine block left side oil gallery plug.

8. Remove the engine block left rear oil gallery plug.

9. Remove the engine block right rear oil gallery plug.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 453: Identifying Camshaft Rear Bearing Hole Expansion Cup Plug
Courtesy of GENERAL MOTORS CORP.

10. Remove the expansion cup plug from the camshaft rear bearing hole and discard.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 454: View Of Balance Shaft Rear Bearing Hole Expansion Cup Plug
Courtesy of GENERAL MOTORS CORP.

11. Remove the expansion cup plug from the balance shaft rear bearing hole and discard.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado