Hummer H2. Manual — part 1854

Fig. 580: Identifying Plug Location On Underside Of Block
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 right rear coolant drain hole plug sealing washer.

6. Install the engine block right rear coolant drain hole plug.

Tighten: Tighten the block right rear coolant drain hole plug to 60 N.m (44 lb ft).

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

Fig. 581: Engine Block Left Front Oil Gallery Plug
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 front oil gallery plug sealing washer.

8. Install the engine block left front oil gallery plug.

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

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

Fig. 582: Engine Block Left Rear Oil Gallery Plug
Courtesy of GENERAL MOTORS CORP.

9. 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.

10. Install the engine block left rear oil gallery plug.

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

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2