Hummer H2. Manual - part 955

Fig. 27: Front Drive Axle Fill & Drain Plug 
Courtesy of GENERAL MOTORS CORP. 

2. Remove the front differential carrier shield, if equipped. Refer to Engine Protection Shield 

Replacement in Frame and Underbody.  

3. Clean the area around the front axle fill plug and the drain plug.  

4. Remove the fill plug (1).  

5. Remove the drain plug (2).  

6. Drain the fluid from the front axle differential.  

Installation Procedure 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 28: Front Drive Axle Fill & Drain Plug 
Courtesy of GENERAL MOTORS CORP. 

1. Install the drain plug (2). 

Tighten: Tighten the drain plug to 33 N.m (24 lb ft). 

2. Fill the front differential with lubricant. Use the proper fluid. Refer to Capacities - Approximate Fluid 

and Fluid and Lubricant Recommendations in Maintenance and Lubrication.  

3. Install the fill plug (1). 

Tighten: Tighten the fill plug to 33 N.m (24 lb ft). 

4. Install the front differential carrier shield, if equipped. Refer to Engine Protection Shield Replacement 

in Frame and Underbody.  

5. Lower the vehicle.  

DIFFERENTIAL CARRIER ASSEMBLY HOLE PLUG REPLACEMENT 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Removal Procedure 

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

2. Turn the front wheels to the left in order to provide access to the left side of the differential carrier 

assembly. 

Fig. 29: Differential Carrier Assembly & Hole Plug 
Courtesy of GENERAL MOTORS CORP. 

3. Remove the differential carrier assembly hole plug from the differential carrier assembly.  

Installation Procedure 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 30: Differential Carrier Assembly & Hole Plug 
Courtesy of GENERAL MOTORS CORP. 

1. Install the differential carrier assembly hole plug into the differential carrier assembly. 

Apply a small amount of sealer GM P/N 12346004 (Canadian P/N 10953480) or equivalent onto the 
threads. 

2. Tighten the differential carrier assembly hole plug. 

Tighten: Tighten the differential carrier assembly hole plug to 28 N.m (21 lb ft). 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2