Hummer H2. Manual — part 857

7. If the level is low, add lubricant until the level is even with the bottom edge of the fill plug opening. Use

the proper fluid. Refer to Fluid and Lubricant Recommendations in Maintenance and Lubrication.

8. Install the rear axle fill plug.

Tighten: Tighten the rear axle fill plug to 33 N.m (24 lb ft).

9. Lower the vehicle.

LUBRICANT REPLACEMENT - REAR DRIVE AXLE

Removal Procedure

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Fig. 27: Rear Drive Axle Fill Plug
Courtesy of GENERAL MOTORS CORP.

2. Remove the rear axle fill plug.

NOTE:

Refer to Fastener Notice in Cautions and Notices.

2004 Hummer H2

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

Fig. 28: Rear Drive Axle Drain Plug
Courtesy of GENERAL MOTORS CORP.

3. Remove the rear axle drain plug.

4. Drain the lubricant into a suitable container.

5. Inspect the drain plug for excessive metal particle accumulation. This accumulation is symptomatic of

extreme wear.

6. Clean the drain plug.

Installation Procedure

2004 Hummer H2

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

Fig. 29: Rear Drive Axle Drain Plug
Courtesy of GENERAL MOTORS CORP.

1. Install the rear axle drain plug.

Tighten: Tighten the rear axle drain plug to 33 N.m (24 lb ft).

2. Fill the rear axle. Use the proper fluid. Refer to Capacities - Approximate Fluid and Fluid and

Lubricant Recommendations in Maintenance and Lubrication.

NOTE:

Refer to Fastener Notice in Cautions and Notices.

2004 Hummer H2

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

Fig. 30: Rear Drive Axle Fill Plug
Courtesy of GENERAL MOTORS CORP.

3. Install the rear axle fill plug.

Tighten: Tighten the rear axle fill plug to 33 N.m (24 lb ft).

4. Lower the vehicle.

VENT HOSE REPLACEMENT

Removal Procedure

1. Raise and support the vehicle.

IMPORTANT: Make note of the routing in order to aid in reassembly.

2004 Hummer H2

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2