Chevrolet Silverado / GMC Sierra. Service manual — part 2162

Fig. 165: Locating Engine Block Left Front Oil Gallery Plug & Seal
Courtesy of GENERAL MOTORS CORP.

5. Apply a 3.175 mm (0.125 in) bead of sealant GM P/N 12346004 (Canadian P/N 10953480)

to the engine block left front oil gallery plug sealing washer (117).

6. Install the engine block left front oil gallery plug (116).

Tighten: Tighten the engine block left front oil gallery plug to 60 N.m (44 lb ft).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 166: Locating Engine Block Left Rear Oil Gallery Plug & Seal
Courtesy of GENERAL MOTORS CORP.

7. Apply a 3.175 mm (0.125 in) bead of sealant GM P/N 12346004 (Canadian P/N 10953480)

to the engine block left rear oil gallery plug sealing washer (113).

8. Install the engine block left rear oil gallery plug (112).

Tighten: Tighten the engine block left rear oil gallery plug to 60 N.m (44 lb ft).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 167: View Of Engine Block Rear Oil Gallery Plug
Courtesy of GENERAL MOTORS CORP.

9. Inspect the engine block rear oil gallery plug and O-ring seal. If the O-ring seal on the plug

is not cut or damaged, the rear oil gallery plug may be used again.

10. Lubricate the O-ring seal with clean engine oil.

11. Install the O-ring seal onto the plug.

12. Install the engine block rear oil gallery plug into the oil gallery bore. A properly installed

block plug will protrude 0.8-1.4 mm (0.0315-0.055 in) beyond the rear face of the block.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado