Front Upper
REMOVAL PROCEDURE- Tools Required
- J 23742 Ball Joint Separator
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the battery negative cable.
CAUTION: Floor jack must remain under the lower control arm during removal and installation to retain the lower control arm in position. Failure to do so could result in personal injury.
IMPORTANT: Note the location of the alignment shims. Replace the shims in the same location from which these were removed.
2. Raise the vehicle. Refer to Vehicle Lift Points.
- Position the safety stands between the lower control arm spring seat and the lower ball joint.
- Place a floor jack under the lower control arm spring seat.
3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment.
4. Remove the wheel speed sensor harness clip rivets using a 3/16 drill bit.
5. Remove the cotter pin and the nut.
6. Disconnect the steering knuckle from the upper ball joint. Use the J 23742 in order to break the ball joint from the steering knuckle.
- Lift the upper control arm in order to free the control arm from the steering knuckle.
- Support the steering knuckle/hub assembly in order to prevent the knuckle weight from damaging the brake hose.
7. Remove the nuts and the shims.
8. Remove the bolts. Lift the upper control arm in order to gain access to the bolts.
9. Remove the upper control arm.
INSTALLATION PROCEDURE
1. Install the upper control arm to the frame. Line up the holes in the shaft with the holes in the frame.
NOTICE: Refer to Fastener Notice in Service Precautions.
IMPORTANT: Mount the shims exactly as they were when removed.
2. Install the shims, the bolts, and the nuts. Lift the upper control in order to gain access.
2.1 Tighten the nut on the thinner shim pack first.
2.2 Tighten the nuts to 110 Nm (81 ft. lbs.).
3. Connect the upper ball joint to the steering knuckle. Make sure the ball joint is fully seated into the steering knuckle.
4. Install the nut.
- Tighten the nut to 83 Nm (61 ft. lbs.).
5. Install a new cotter pin. Tighten the nut up to an additional 1/6 amount in order to insert the cotter pin through the upper ball joint stud. Bend the cotter pin ends flat against the nut.
6. Install the wheel speed sensor harness clip using 3/16 inch rivets.
7. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment.
8. Remove the floor jack from under the lower control arm.
9. Lower the vehicle.
10. Connect the battery negative cable.
11. Check the front wheel alignment. Refer to Measuring Wheel Alignment in Wheel Alignment.