Hummer H2. Manual - part 1709

Fig. 41: Engine Mount Bracket (Left) 
Courtesy of GENERAL MOTORS CORP. 

1. Install the engine mount bracket.  

2. Perform the following procedure prior to installing the engine mount bracket bolts. 

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Remove all traces of the original adhesive patch.  

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Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.  

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Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the bolts.  

3. Install the engine mount bracket bolts. 

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

  

Tighten: Tighten the engine mount bracket bolts to 75 N.m (55 lb ft).

4. Install the engine mount. Refer to Engine Mount Replacement - Left .  

ENGINE MOUNT REPLACEMENT - RIGHT 

Removal Procedure 

 

2004 Hummer H2 

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

  

Fig. 42: Engine Mount-To-Frame Bracket Bolts (Right)
Courtesy of GENERAL MOTORS CORP. 

1. Remove the engine mount-to-frame bracket bolts.  

2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 

Fig. 43: Engine Shield Bolts (Right) 
Courtesy of GENERAL MOTORS CORP. 

3. Remove the engine shield bolts.  

4. Remove the engine shield.  

5. Remove the air conditioning (A/C) compressor. Refer to Compressor Replacement in Heating, 

Ventilation, and Air Conditioning.  

6. Remove the starter motor. Refer to Starter Motor Replacement in Engine Electrical. 

IMPORTANT: DO NOT raise and/or support the engine by the crankshaft balancer, or oil 

pan.

 

2004 Hummer H2 

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

  

7. Raise and suitably support the engine using adjustable (screw type) jack stands. 

Fig. 44: Engine Mount (Right) 
Courtesy of GENERAL MOTORS CORP. 

8. Remove the engine mount bolts. (Left side shown, right side similar).  

9. Remove the right engine mount.  

Installation Procedure 

 

2004 Hummer H2 

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