Upper Control Arm Ball Joint Replacement

Upper Control Arm Ball Joint Replacement (4WD, 2WD, Z71)

Special Tools

J-42188-B Ball Joint Separator

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Service and Repair).
3. Support the lower control arm with a suitable jack stand.
4. Disconnect the front brake hose from the upper control arm. Refer to Front Brake Hose Replacement (Front Brake Hose Replacement).
5. Remove the wheel speed sensor bracket bolt.
6. Disconnect the wheel speed sensor brackets.




7. Disconnect the upper control arm from the ball stud by removing the retention nuts. Discard the nuts.
8. Remove the nut from the upper ball joint. Discard the nut.
9. Disconnect the ball joint from the steering knuckle using the J-42188-B .
10. Remove the ball joint from the steering knuckle.

Installation Procedure

1. Install the ball joint to the steering knuckle.

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the new nut to the upper ball joint and tighten to 75 Nm (55 lb ft).




3. Connect the upper control arm to the ball stud by installing the retention nuts. Tighten the nut to 47 Nm (35 lb ft).
4. Connect the wheel speed sensor brackets.
5. Install the wheel speed sensor bracket bolt and tighten to 20 Nm (15 lb ft).
6. Connect the front brake hose to the upper control arm. Refer to Front Brake Hose Replacement (Front Brake Hose Replacement).
7. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Service and Repair).
8. Remove the lower control arm support.
9. Lower the vehicle.
10. Verify the wheel alignment. Refer to Wheel Alignment Specifications (Specifications).