Hummer H2. Manual - part 921

Fig. 61: Installing J 45755-2, J 45755-1, Forcing Screw, Bearing & Washers Inner Shaft Housing 
Bushing 
Courtesy of GENERAL MOTORS CORP. 

2. Install the J 45755-2 (2), J 45755-1 (1), and the forcing screw, bearing and washers (3) over the inner 

shaft housing bushing as shown.  

3. Press the bushing into the inner shaft housing bore using the J 45755 . See Special Tools and 

Equipment .  

4. Remove the inner shaft housing from the vise.  

5. Install the inner shaft housing. Refer to Inner Shaft and/or Housing Replacement - Front Drive Axle . 

DIFFERENTIAL CARRIER ASSEMBLY REPLACEMENT 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Removal Procedure 

Fig. 62: Identifying Vent Hose & Differential Carrier Case Assembly 
Courtesy of GENERAL MOTORS CORP. 

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

2. Support the rear end of the vehicle with jack or utility stands.  

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

Underbody.  

4. Remove the catalytic converter guard. Refer to Catalytic Converter Guard Replacement in Frame and 

Underbody.  

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

5. Drain the front drive axle. Refer to Lubricant Replacement - Front Drive Axle .  

6. Disconnect the front propeller shaft from the differential carrier assembly. Refer to Propeller Shaft 

Replacement - Front in Propeller Shaft.  

7. Remove the wheel drive shafts from the differential carrier assembly and secure out of the way. Refer to 

Wheel Drive Shaft Replacement in Wheel Drive Shafts.  

8. Disconnect the vent hose (1) from the differential carrier assembly (2).  

9. Remove the lower control arm crossmember. Refer to Crossmember Replacement (Lower Control 

Arm) in Frame and Underbody.  

10. Attach a transmission jack to the differential carrier assembly. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 63: Differential Carrier Assembly Left & Right Side Axle Mount Bolts & Nuts 
Courtesy of GENERAL MOTORS CORP. 

11. Remove the differential carrier assembly left side axle mount bolt and nut.  

12. Remove the differential carrier assembly right side axle mount bolt and nut.  

13. Remove the differential carrier assembly from the vehicle. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2