Hummer H2. Manual - part 956

3. Turn the front wheels to the straight ahead position.  

4. Lower the vehicle.  

VENT HOSE REPLACEMENT 

Removal Procedure 

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

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

Replacement in Frame and Underbody. 

3. Remove the vent hose (1) from the wiring bundle.  

4. Remove the vent hose from the clip. 

IMPORTANT: Make note of the routing in order to aid in reassembly.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 31: Identifying Vent Hose & Differential Carrier Case Assembly 
Courtesy of GENERAL MOTORS CORP. 

5. Remove the vent hose (1) from the differential carrier case assembly (2).  

6. Remove the vent hose (1) from the vehicle.  

Installation Procedure 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 32: Identifying Vent Hose & Differential Carrier Case Assembly 
Courtesy of GENERAL MOTORS CORP. 

1. Install the vent hose (1) to the vehicle. 

z

Route the vent hose the same way as when removed.  

z

Ensure the hose is free of kinks and routes clear of sharp components.  

z

Ensure the vent hose is not plugged.  

2. Connect the vent hose (1) to the differential carrier case assembly (2).  

3. Install the vent hose (1) to the wiring bundle.  

4. Install the vent hose to the clip.  

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

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

in Frame and Underbody.  

6. Lower the vehicle.  

VENT HOSE CONNECTOR REPLACEMENT - FRONT DRIVE AXLE 

Removal Procedure 

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

2. Remove the engine protection shield. Refer to Engine Protection Shield Replacement in Frame and 

Underbody. 

Fig. 33: Front Drive Axle Vent Hose & Vent Hose Connector 
Courtesy of GENERAL MOTORS CORP. 

3. Disconnect the vent hose from the vent hose connector. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2