Hummer H2. Manual - part 918

Fig. 51: Measuring Pinion Rotation Torque - Front Axle 
Courtesy of GENERAL MOTORS CORP. 

9. Measure the torque required in order to rotate the pinion. Use an inch-pound torque wrench. Record the 

torque value for reassembly. This will give the combined preload for the following components: 

z

The pinion bearings  

z

The pinion seal  

z

The carrier bearings  

z

The axle bearings  

z

The axle seals  

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

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