Hummer H3. Manual - part 1013

Assembly Procedure

1. Lubricate the pinion and side gears using axle lubricant. Use the proper fluid. Refer to

Fluid and Lubricant Recommendations .

2. Install the differential side gear thrust washers to the differential side gears.

3. Install the differential side gears and thrust washers into the differential case.

If the same differential side gears and the thrust washers are being used, install the gears and
the thrust washers to their original locations.

Fig. 114: Exploded View Of Differential Case
Courtesy of GENERAL MOTORS CORP.

2007 Hummer H3

2007 Driveline/Axle Rear Drive Axle - H3

4. Install the differential pinion gears and pinion gear thrust washers by performing the

following steps:

1. Position one pinion gear between the differential side gears.

2. Position the second pinion gear between the differential side gears directly opposite

the of the first gear.

3. Rotate the differential side gears until the pinion gears is directly opposite the opening

in the differential case.

4. Install the thrust washers.

Rotate the pinion gears toward the differential opening in order to permit the sliding in
of the thrust washers.

5. Install the pinion shaft.

6. Install a new pinion shaft lock bolt.

Tighten: Tighten the new pinion shaft lock bolt to 25 N.m (18 lb ft).

NOTE:

Refer to Fastener Notice .

IMPORTANT: The mating surface of the ring gear and the differential case

must be clean and free of burrs before installing the ring
gear.

2007 Hummer H3

2007 Driveline/Axle Rear Drive Axle - H3

Fig. 115: Installing Ring Gear Onto Differential Case
Courtesy of GENERAL MOTORS CORP.

7. Install the ring gear to the differential case.

2007 Hummer H3

2007 Driveline/Axle Rear Drive Axle - H3

Fig. 116: Identifying Ring Gear Bolts
Courtesy of GENERAL MOTORS CORP.

8. Install the new ring gear bolts.

IMPORTANT: The ring gear bolts have left-hand threads.

2007 Hummer H3

2007 Driveline/Axle Rear Drive Axle - H3