Rear Axle Upper Control Arm Replacement

Rear Axle Upper Control Arm Replacement

Tools Required

J 42188 Ball Joint Separator

Removal Procedure




1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel assembly.
3. Disconnect the wheel speed sensor electrical connector.
4. Disconnect the electronic suspension control sensor link.




5. Separate the suspension knuckle (1) from the upper control arm using J 42188.
6. Support the lower control arm with a jack stand.
7. Loosen the upper ball joint stud nut, but do not remove the nut.
8. Remove J 42188 and the ball joint stud nut (2) from the ball joint stud.




9. Remove the bolts retaining the upper control arm to the frame.
10. Remove the upper control arm from the vehicle.

Installation Procedure




1. Install the upper control arm to the vehicle.

Notice: Refer to Fastener Notice.

2. Install the upper control arm mounting bolts and to the frame.

Tighten the upper control arm mounting bolts to 110 N.m (81 lb ft).

3. Install the suspension knuckle upper ball joint stud into the upper control arm.
It may be necessary to use an Allen wrench to keep the ball joint stud from spinning while tightening the ball joint stud nut.
4. Install the upper ball joint stud nut.

Tighten the suspension knuckle ball joint stud nut to 30 N.m (22 lb ft) plus 195 degrees.




5. Connect the wheel speed sensor electrical connector.
6. Connect the electronic suspension control sensor link.
7. Remove the jack stand from the lower control arm.
8. Install the tire and wheel assembly.
9. Lower the vehicle.
10. Perform a rear wheel alignment. Refer to Measuring Wheel Alignment.