Hummer H2. Manual - part 962

Fig. 52: Scribing Line On Pinion Shaft & Pinion Yoke 
Courtesy of GENERAL MOTORS CORP. 

10. Scribe a line (1) on the pinion shaft and the pinion yoke (2). 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 53: Installing J 8614-01 Onto Pinion Yoke 
Courtesy of GENERAL MOTORS CORP. 

11. Install the J 8614-01 onto the pinion as shown. See Special Tools and Equipment .  

12. Remove the pinion nut while holding the J 8614-01 . See Special Tools and Equipment . 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 54: Remove Pinion Yoke Using J 8614-2 & J 8614-3 Into J 8614-01 (8.25 Inch Axles) 
Courtesy of GENERAL MOTORS CORP. 

13. 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 .  

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

Special Tools and Equipment . 

15. Remove the oil seal using a suitable seal removal tool.  

Installation Procedure 

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. 55: Installing Oil Seal Using J 36366 
Courtesy of GENERAL MOTORS CORP. 

1. Install the oil seal by doing the following: 

1. Position the oil seal in the bore.  

2. Install the J 36366 over the oil seal.  

3. Strike the J 36366 with a hammer until the seal flange seats on the axle housing surface.  

2. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the splines of the drive 

pinion yoke.  

3. Install the pinion yoke. 

Align the reference marks made during removal. 

4. Seat the pinion yoke onto the pinion shaft by tapping it with a soft-faced hammer until a few pinion shaft 

IMPORTANT: Drive the seal in straight, not at an angle.

NOTE:

Do not hammer the pinion flange/yoke onto the pinion shaft. Pinion 
components may be damaged if the pinion flange/yoke is hammered onto 
the pinion shaft.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2