Hummer H3. Manual — part 993

Fig. 40: View Of Pinion Shaft & Pinion Yoke Alignment Marks
Courtesy of GENERAL MOTORS CORP.

5. Place an alignment mark between the pinion and the pinion yoke.

2007 Hummer H3

2007 Driveline/Axle Rear Drive Axle - H3

Fig. 41: Holding Pinion Yoke With Special Tool
Courtesy of GENERAL MOTORS CORP.

6. Install the J 8614-01 as shown.

7. Remove the pinion nut while holding the J 8614-01 .

8. Remove the washer.

2007 Hummer H3

2007 Driveline/Axle Rear Drive Axle - H3

Fig. 42: Installing J 8614-3 And J 8614-2 Into J 8614-01
Courtesy of GENERAL MOTORS CORP.

9. Install the J 8614-3 (2) and the J 8614-2 (3) into the J 8614-01 (1) as shown.

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

(1).

Use a container in order to retrieve the lubricant.

11. Remove the pinion oil seal. Use a suitable seal removal tool. Do not damage the housing.

Installation Procedure

2007 Hummer H3

2007 Driveline/Axle Rear Drive Axle - H3

Fig. 43: Installing Pinion Oil Seal
Courtesy of GENERAL MOTORS CORP.

1. Using the J 33782 , install the pinion seal. See Special Tools.

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

the pinion yoke.

2007 Hummer H3

2007 Driveline/Axle Rear Drive Axle - H3