Upper Control Arm Ball Joint Replacement 2WD, Z85, ZQ8
                    Tools Required
J-42188-B 
 Ball Joint Separator
Removal Procedure
- Raise and support the vehicle. Refer to 
Lifting and Jacking the Vehicle
 .
 
- Remove the tire and wheel assembly. Refer to 
Tire and Wheel Removal and Installation
 .
 
- Support the lower control arm with a suitable jack stand.
 
- Disconnect the front brake hose from the upper control arm. Refer to 
Front Brake Hose Replacement
 .
 
- Remove the wheel speed sensor bracket bolt.
 
- Disconnect the wheel speed sensor brackets.
 
- Remove the nut from the upper ball joint. Discard the nut. 
 
- Disconnect the ball joint from the steering knuckle using the 
J-42188-B 
 .
 
- Remove the ball joint nuts and bolts from the upper control arm. Discard the nuts and bolts.
 
- Remove the ball joint from the upper control arm.
 
Installation Procedure
- Install the ball joint to the upper control arm.
 
- Install the replacement bolts to the upper control arm.
 
Notice: Refer to Fastener Notice in the Preface section.
- Install the nuts to the bolts.
 
Tighten
Tighten the nuts to 16 N·m (12 lb ft).
- Connect the ball joint to the steering knuckle.
 
- Install the new nut to the upper ball joint. 
 
Tighten
Tighten the nuts to 100 N·m (74 lb ft).
- Connect the wheel speed sensor brackets.
 
- Install the wheel speed sensor bracket bolt.
 
Tighten
Tighten the nut to 20 N·m (15 lb ft).
- Connect the front brake hose to the upper control arm. Refer to 
Front Brake Hose Replacement
 .
 
- Remove the support from the lower control arm.
 
- Remove the tire and wheel assembly. Refer to 
Tire and Wheel Removal and Installation
 .
 
- Lower the vehicle.
 
- Verify the wheel alignment. Refer to 
Wheel Alignment Specifications
 .
 
                            Upper Control Arm Ball Joint Replacement 4WD,2WD Z71
                    Tools Required
J-42188-B 
 Ball Joint Separator
Removal Procedure
- Raise and support the vehicle. Refer to 
Lifting and Jacking the Vehicle
 .
 
- Remove the tire and wheel assembly. Refer to 
Tire and Wheel Removal and Installation
 .
 
- Support the lower control arm with a suitable jack stand.
 
- Disconnect the front brake hose from the upper control arm. Refer to 
Front Brake Hose Replacement
 .
 
- Remove the wheel speed sensor bracket bolt.
 
- Disconnect the wheel speed sensor brackets.
 
- Disconnect the upper control arm from the ball stud by removing the retention nuts. Discard the nuts.
 
- Remove the nut from the upper ball joint. Discard the nut. 
 
- Disconnect the ball joint from the steering knuckle using the 
J-42188-B 
 .
 
- Remove the ball joint from the steering knuckle.
 
Installation Procedure
- Install the ball joint to the steering knuckle. 
 
Notice: Refer to Fastener Notice in the Preface section.
- Install the new nut to the upper ball joint. 
 
Tighten
Tighten the nuts to 75 N·m (55 lb ft).
- Connect the upper control arm to the ball stud by installing the retention nuts.
 
Tighten
Tighten the nut to 47 N·m (35 lb ft).
- Connect the wheel speed sensor brackets.
 
- Install the wheel speed sensor bracket bolt.
 
Tighten
Tighten the nut to 20 N·m (15 lb ft).
- Connect the front brake hose to the upper control arm. Refer to 
Front Brake Hose Replacement
 .
 
- Install the tire and wheel assembly. Refer to 
Tire and Wheel Removal and Installation
 .
 
- Remove the lower control arm support.
 
- Lower the vehicle.
 
- Verify the wheel alignment. Refer to 
Wheel Alignment Specifications
 .