Hummer H2. Manual - part 971

Fig. 83: Installing J 8614-2 & J 8614-3 Into J 8614-01 
Courtesy of GENERAL MOTORS CORP. 

32. Install the J 8614-2 (2) and the J 8614-3 (3) into the J 8614-01 (1) as shown. See Special Tools and 

Equipment .  

33. Remove the pinion yoke by turning the J 8614-3 (3) clockwise while holding the J 8614-01 (1). See 

Special Tools and Equipment . 

34. Remove the pinion oil seal using a suitable seal removal tool. 

IMPORTANT: Carefully pry the seal from the bore. Do not distort or scratch the 

aluminum case.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 84: Installing J 45765 To Left Side Differential Carrier Case Half Over Drive Pinion 
Courtesy of GENERAL MOTORS CORP. 

35. Install the J 45765 to the left side differential carrier case half over the drive pinion as shown. See 

Special Tools and Equipment .  

36. Turn the forcing screw of the J 45765 clockwise to remove the following components from the left side 

differential carrier case half: 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

z

The drive pinion gear  

z

The pinion gear selectable shim  

z

The inner pinion bearing  

z

The collapsible spacer  

37. Remove the collapsible spacer from the pinion.  

38. Remove the outer pinion bearing from the differential carrier case half. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 85: Removing The Inner Pinion Bearing Using J 22912-01 
Courtesy of GENERAL MOTORS CORP. 

39. Remove the inner pinion bearing by installing the J 22912-01 between the pinion bearing and the pinion 

gear and pressing the bearing off the pinion. See Special Tools and Equipment .  

40. Remove the pinion gear selectable shim. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2