Hummer H2. Manual - part 859

2. Install the vent hose clip (2) to the tab on the filler neck (1). 

Fig. 35: Rear Axle Vent Hose Clip 
Courtesy of GENERAL MOTORS CORP. 

3. Install the vent hose clip to the frame. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

  

Fig. 36: Rear Axle Vent Hose & Vent Tube 
Courtesy of GENERAL MOTORS CORP. 

4. Install the vent hose (1) to the vent tube (4).  

5. Install the vent hose (1) to the clip at the top of the rear axle (3).  

6. Remove the supports and lower the vehicle.  

REAR AXLE HOUSING COVER AND GASKET REPLACEMENT 

Removal Procedure 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

  

Fig. 37: Brake Pipe/Harness Bracket & Nut 
Courtesy of GENERAL MOTORS CORP. 

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.  

2. Drain the rear axle. Refer to Lubricant Replacement - Rear Drive Axle .  

3. Remove the nut and brake pipe/harness bracket from the stud. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

  

Fig. 38: Rear Axle Housing Cover & Gasket 
Courtesy of GENERAL MOTORS CORP. 

4. Note the location of the jounce hose bracket bolt (1) and the brake pipe/harness bracket stud (2) before 

removal.  

5. Remove the rear axle housing cover bolts (4). 

Discard the rear axle housing cover bolts. 

6. Remove the rear axle housing cover and gasket (3) from the axle housing. 

1. Catch the oil in a drain pan.  

2. Remove any gasket material from the rear axle housing and/or the rear axle housing cover.  

Installation Procedure 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2