Hummer H2. Manual — part 917

Clamp only on the mounting flange of the inner axle shaft housing.

Fig. 48: Installing New Axle Shaft Seal Using J 45225 & J8092
Courtesy of GENERAL MOTORS CORP.

2. Install the new axle shaft seal using the J 45225 (1) and the J 8092 (2). See Special Tools and

Equipment .

3. Install the inner axle shaft into the inner axle shaft housing.

Carefully tap the inner axle shaft into place with a soft-faced mallet.

4. Install the inner axle shaft and housing assembly to the differential carrier case assembly. Refer to Inner

Shaft and/or Housing Replacement - Front Drive Axle .

2004 Hummer H2

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

Fig. 49: Installing Left Side Axle Shaft Bearing Using J 36609 & J 8092
Courtesy of GENERAL MOTORS CORP.

5. If installing the left side bearing and/or seal, perform the following steps:

1. Install the bearing with the square shoulder in using the J 36609 (2) and theJ 8092 (1). See Special

Tools and Equipment .

2. Install the new axle shaft seal using the J 45225 and the J 8092 . See Special Tools and

Equipment .

3. Install the inner axle shaft into the differential case side gear using a soft-faced mallet until the

retaining ring on the inner axle shaft is fully seated within the groove in the differential case side
gear.

4. Pull back on the inner axle shaft to ensure that the inner axle shaft is properly retained in the

differential case side gear.

5. Install the front differential carrier assembly. Refer to Differential Carrier Assembly

2004 Hummer H2

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

Replacement .

6. Fill the differential carrier assembly. Use the proper fluid. Refer to Lubricant Replacement - Front

Drive Axle .

7. Lower the vehicle.

DIFFERENTIAL DRIVE PINION FLANGE/YOKE, SEAL, AND DUST DEFLECTOR
REPLACEMENT - FRONT

Tools Required

z

J 8614-01 Flange and Pulley Holding Tool. See Special Tools and Equipment .

z

J 36366 Pinion Oil Seal Installer

Removal Procedure

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

2. Remove the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and

Wheels.

3. Remove the brake calipers. Refer to Brake Caliper Replacement - Front in Disc Brakes.

4. Remove the engine protection shield. Refer to Engine Protection Shield Replacement in Frame and

Underbody.

5. Reference mark the relationship of the propeller shaft to the front axle pinon yoke.

2004 Hummer H2

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

Fig. 50: Propeller Shaft & Front Axle Pinion Yoke
Courtesy of GENERAL MOTORS CORP.

6. Remove the yoke retainer bolts (6) and the yoke retainers (7) from the front axle pinion yoke (1).

7. Disconnect the propeller shaft (2) from the front axle pinion yoke (1).

Wrap the bearing caps with tape in order to prevent the loss of bearing rollers.

8. Support the propeller shaft and move out of the way as necessary.

NOTE:

When removing the propeller shaft, do not attempt to remove the shaft by
pounding on the yoke ears or using a tool between the yoke and the
universal joint. If the propeller shaft is removed by using such means, the
injection joints may fracture and lead to premature failure of the joint.

2004 Hummer H2

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2