Hummer H2. Manual - part 1866

Fig. 623: View Of J 41480 Installed 
Courtesy of GENERAL MOTORS CORP. 

3. Install the J 41480 . See Special Tools and Equipment . 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

IMPORTANT: Start the tool-to-front cover bolts. Do not tighten the bolts at this time.

 

2004 Hummer H2 

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

  

Tighten: Tighten the tool-to-engine block bolts to 25 N.m (18 lb ft).

Fig. 624: View Of J 41476 & J 41480 Installed 
Courtesy of GENERAL MOTORS CORP. 

4. Install the J 41476 . See Special Tools and Equipment .  

5. Install the crankshaft balancer bolt. 

IMPORTANT: Align the tapered legs of the tool with the machined alignment surfaces 

on the front cover.

 

2004 Hummer H2 

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

  

Tighten:  

1. Tighten the crankshaft balancer bolt by hand until snug. Do not overtighten.  

2. Tighten the J 41480 . See Special Tools and Equipment .  

3. Tighten the engine front cover bolts to 25 N.m (18 lb ft).  

6. Remove the tools. 

 

2004 Hummer H2 

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

  

Fig. 625: Front Cover-To-Engine Block Proper Installation Position 
Courtesy of GENERAL MOTORS CORP. 

7. Measure the oil pan surface flatness, front cover-to-engine block. 

 

2004 Hummer H2 

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