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