Hummer H2. Manual — part 1738

Fig. 147: View Of J 41476
Courtesy of GENERAL MOTORS CORP.

5. Rotate the crankshaft until two opposing flywheel bolt holes are parallel to the oil pan surface.

6. Install the J 41476 and bolts onto the rear of the crankshaft. See Special Tools and Equipment .

7. Tighten the J 41476 mounting bolts until snug. See Special Tools and Equipment . Do not overtighten.

Tighten:

IMPORTANT: The tapered legs of the alignment tool must enter the rear cover oil seal

bore.

NOTE:

Refer to Fastener Notice in Cautions and Notices.

2004 Hummer H2

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

1. Tighten the oil pan-to-rear cover bolts to 12 N.m (106 lb in).

2. Tighten the engine rear cover bolts to 25 N.m (18 lb ft).

8. Remove the J 41476 . See Special Tools and Equipment .

9. Install a NEW crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal Replacement .

10. Install the engine flywheel. Refer to Engine Flywheel Replacement .

OIL FILTER ADAPTER REPLACEMENT

Removal Procedure

2004 Hummer H2

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

Fig. 148: View Of Engine Oil Filter
Courtesy of GENERAL MOTORS CORP.

1. Drain the engine oil.

2. Remove the oil filter.

2004 Hummer H2

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

Fig. 149: Oil Filter Adapter & Bypass Valve
Courtesy of GENERAL MOTORS CORP.

3. Remove the oil filter adapter (1).

Installation Procedure

2004 Hummer H2

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