Hummer H3. Manual — part 1238
Fig. 15: Identifying Upper Control Arm Pinch Bolt & Lower Control Arm Retaining
Nut
Courtesy of GENERAL MOTORS CORP.
3. Connect the upper control arm to the ball stud by installing the pinch bolt.
Tighten: Tighten the nut to 70 N.m (51 lb ft).
4. Connect the wheel speed sensor brackets.
2007 Hummer H3
2007 SUSPENSION Front Suspension - H3
5. Install the wheel speed sensor bracket bolt.
Tighten: Tighten the nut to 20 N.m (15 lb ft).
6. Connect the front brake hose to the upper control arm. Refer to Front Brake Hose
Replacement .
7. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
8. Remove the lower control arm support.
9. Lower the vehicle.
10. With the vehicle at ride height, tighten the upper control arm nuts.
Tighten: Using the J 45938 , tighten the nuts to 155 N.m (114 lb ft).
11. Verify the wheel alignment. Refer to Wheel Alignment Specifications .
LOWER CONTROL ARM REPLACEMENT
Tools Required
J 43631 Ball Joint Remover/Installer. See Special Tools.
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the steering knuckle. Refer to Steering Knuckle Replacement.
3. Remove the stabilizer shaft links from the lower control arm. Refer to Stabilizer Shaft
Link Replacement.
4. Remove the shock absorber nut and through bolt. Refer to Shock Absorber Replacement.
5. Remove the torsion bar as necessary. Refer to Torsion Bar Replacement.
2007 Hummer H3
2007 SUSPENSION Front Suspension - H3
Fig. 16: Identifying Lower Control Arm
Courtesy of GENERAL MOTORS CORP.
6. Remove the lower control arm nuts and the washers.
7. Remove the lower control arm bolts.
8. Remove the lower control arm.
Installation Procedure
1. Install the lower control arm.
2007 Hummer H3
2007 SUSPENSION Front Suspension - H3
Fig. 17: Identifying Lower Control Arm
Courtesy of GENERAL MOTORS CORP.
2. Install the lower control arm bolts.
2007 Hummer H3
2007 SUSPENSION Front Suspension - H3
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