Hummer H2. Manual — part 1787

Fig. 336: Rear Cover, Bolts & Gasket
Courtesy of GENERAL MOTORS CORP.

1. Remove the rear cover bolts.

2. Remove the rear cover and gasket.

3. Discard the rear cover gasket.

2004 Hummer H2

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

Fig. 337: Crankshaft Rear Oil Seal
Courtesy of GENERAL MOTORS CORP.

4. Remove the crankshaft rear oil seal (141) from the cover.

OIL PUMP, PUMP SCREEN AND DEFLECTOR REMOVAL

2004 Hummer H2

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

Fig. 338: Oil Pump Screen, Bolt, Nuts & O-Ring Seal
Courtesy of GENERAL MOTORS CORP.

1. Remove the oil pump screen bolt (405) and nuts (404).

2. Remove the oil pump screen (407) with O-ring seal (406).

3. Remove the O-ring seal from the pump screen.

4. Discard the O-ring seal.

2004 Hummer H2

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

Fig. 339: Crankshaft Oil Deflector
Courtesy of GENERAL MOTORS CORP.

5. Remove the remaining crankshaft oil deflector nuts.

6. Remove the crankshaft oil deflector.

2004 Hummer H2

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