Lower Control Arm Replacement 2WD, Z85, ZQ8

Tools Required

J 43631 Ball Joint Remover

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
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 lower ball joint stud nut.
6. Disconnect the lower ball joint stud from the steering knuckle using J 43631 .



7. Remove the lower control arm nuts and the alignment cams .
8. Remove the lower control arm bolts.
9. Remove the lower control arm.

1. Install the lower control arm.
2. Install the lower control arm bolts .

Notice: Refer to Fastener Notice in the Preface section.

Important: The fasteners must be tightened in sequence. Tighten the rear nut first then the front nut.

3. Install the nuts and washers.

Tighten

•	Tighten the rear nut to 155 N·m (114 lb ft).

•	Tighten the front nut to 155 N·m (114 lb ft).




4. Connect lower ball joint stud to the steering knuckle.
5. Install the nut to the ball joint stud.

Tighten
Tighten the nut to 138 N·m (102 lb ft).

6. Install the shock absorber through bolt and nut. Refer to Shock Absorber Replacement .
7. Install the stabilizer shaft links to the lower control arm. Refer to Stabilizer Shaft Link Replacement .
8. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
9. Lower the vehicle.
10. Verify the wheel alignment. Refer to Wheel Alignment Specifications .

Lower Control Arm Replacement 4WD, 2WD Z71

Tools Required

J 43631 Ball Joint Remover/Installer

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 .



6. Remove the lower control arm nuts and the washers .
7. Remove the lower control arm bolts.
8. Remove the lower control arm.

1. Install the lower control arm.



2. Install the lower control arm bolts .



3. Install the washer (front bolt only) with the shoulder facing the control arm.

Notice: Refer to Fastener Notice in the Preface section.

Important: The fasteners must be tightened in sequence. Tighten the rear nut first then the front nut.

4. Install the nuts.

Tighten

•	Tighten the rear nut to 180 N·m (133 lb ft).

•	Tighten the front nut to 165 N·m (122 lb ft).

5. Install the steering knuckle. Refer to Steering Knuckle Replacement .
6. Install the torsion bar. Refer to Torsion Bar Replacement .
7. Install the shock absorber through bolt and nut. Refer to Shock Absorber Replacement .
8. Install the stabilizer shaft links to the lower control arm. Refer to Stabilizer Shaft Link Replacement .
9. Lower the vehicle.