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