Hummer H3. Manual — part 1241

4. Remove the wheel stud from the hub flange using the J 43631 .

5. Remove the wheel stud from the hub flange.

Installation Procedure

Fig. 26: View Of Wheel Studs, Hub & Rotor Assembly - Rear (W/Dual Wheels)
Courtesy of GENERAL MOTORS CORP.

1. Install the new stud into the hub flange hole using firm hand pressure.

2. Install 4 washers to the new wheel stud.

2007 Hummer H3

2007 SUSPENSION Front Suspension - H3

3. Thread a wheel nut onto the new stud with the flat side facing the front hub flange.

4. Tighten the lug nut until the stud contacts the back of the hub flange.

5. Remove the wheel nut.

6. Remove the washers.

7. Install the brake rotor. Refer to Front Brake Rotor Replacement .

8. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .

9. Remove the safety stands.

10. Lower the vehicle.

FRONT WHEEL HUB, BEARING AND SEAL REPLACEMENT

Removal Procedure

Fig. 27: View Of Brake Rotor (25/35 Series)
Courtesy of GENERAL MOTORS CORP.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

NOTE:

Never place vehicle on the ground with the halfshaft removed
or the halfshaft nut torqued improperly. Otherwise, bearing
seals may become dislodged causing premature wear and/or
damage to the hub and bearing assembly.

2007 Hummer H3

2007 SUSPENSION Front Suspension - H3

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

3. Remove the rotor. Refer to Front Brake Rotor Replacement .

4. Remove the wheel speed sensor. Refer to Front Wheel Speed Sensor Replacement .

5. Remove the retaining nut and washer for the wheel drive shaft.

6. Remove the wheel driveshaft from the wheel hub and bearing.

7. Remove the wheel hub and bearing mounting bolts.

8. Remove the wheel hub and bearing and splash shield from the vehicle.

Installation Procedure

Fig. 28: View Of Brake Rotor (25/35 Series)
Courtesy of GENERAL MOTORS CORP.

1. Clean all corrosion or contaminates from the steering knuckle bore and the hub and bearing

assembly.

2. Lubricate the steering knuckle bore with wheel bearing grease or the equivalent.

IMPORTANT: For the following service step, the wheel drive shaft does not

have to be removed from the vehicle, just reposition to gain
access to the mounting bolts for the wheel hub.

2007 Hummer H3

2007 SUSPENSION Front Suspension - H3

3. Install the wheel hub and bearing and splash shield in the steering knuckle.

4. Install the wheel hub and bearing mounting bolts.

Tighten: Tighten the wheel hub to knuckle bolts to 180 N.m (133 lb ft).

5. Install the wheel drive shaft in the steering knuckle.

6. Install the nut and washer retaining the wheel drive shaft assembly.

Tighten: Tighten the nut to 235 N.m (173 lb ft).

7. Install the wheel speed sensor. Refer to Front Wheel Speed Sensor Replacement .

8. Install the rotor. Refer to Front Brake Rotor Replacement .

9. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .

TORSION BAR REPLACEMENT

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Allow the front suspension to hang in the rebound position.

3. Mark the adjuster bolt.

NOTE:

Refer to Fastener Notice .

NOTE:

Use care when handling the torsion bars in order to avoid
chipping or scratching the coating. Damage to the coating will
result in premature failure of the torsion bars.

2007 Hummer H3

2007 SUSPENSION Front Suspension - H3