Hummer H2. Manual - part 868

Fig. 69: Removing The Inner Pinion Bearing Using J 22912-01 
Courtesy of GENERAL MOTORS CORP. 

8. Press the bearing off of the pinion using the J 22912-01 .  

9. Remove the shim.  

10. Remove the pinion bearing cups from the axle housing using a hammer and a brass drift in the slots 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

  

provided. Move the drift back and forth between one side of the cup and the other in order to work the 
cups out of the housing evenly.  

Installation Procedure 

Fig. 70: Installing Outer Pinion Bearing Cup Using J 7818 & J 8092 
Courtesy of GENERAL MOTORS CORP. 

1. Install the outer pinion bearing cup using the J 7818 (2) and the J 8092 (1). See Special Tools and 

Equipment . 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

  

Fig. 71: Installing Inner Pinion Bearing Cup Using J 45900, J 22306, J 44417 & J 8092 
Courtesy of GENERAL MOTORS CORP. 

2. Install the inner pinion bearing cup using the J 22306 (2) and the J 8092 (1). See Special Tools and 

Equipment .  

3. Determine the selective shim thickness for the pinion. Refer to Pinion Depth Adjustment . 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

  

Fig. 72: Installing Inner Pinion Bearing 
Courtesy of GENERAL MOTORS CORP. 

4. Install the selective shim between the inner pinion bearing and the shoulder on the gear.  

5. Install the inner pinion bearing using the J 36614 . 

Press the bearing on until the cone seats on the pinion shim. 

6. Install a new collapsible spacer.  

7. Lubricate the pinion bearings with axle lubricant. Use the proper fluid. Refer to Fluid and Lubricant 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2