Operation CHARM: Car repair manuals for everyone.

Upper Control Arm Replacement








Remove or Disconnect

Raise the front of the vehicle and support the lower control arm with floor stands. Since the weight of the vehicle is used to relieve the spring tension on the upper control arm, the floor stands must be positioned between the spring seats and the ball joints of the lower control arms for maximum leverage.

CAUTION: Floor jack must remain under control arm spring seat during removal and installation to retain spring and control arm in position. Failure to do so could result in personal injury.

1. Tire and wheel assembly.

Installing The Upper Ball Joint:





2. ABS wire and brake hose bracket from the upper control arm.
3. Upper ball joint from the steering knuckle. Refer to "Upper Ball Joint Replacement."

Important: Support the rotor assembly to prevent its weight from damaging the brake hose.

4. Upper control arm attaching bolts and nuts. Note the location of any shims.





5. Upper control arm.

Inspect
- All parts for wear and damage.


Install or Connect
1. Bolts to the frame.
2. Upper control arm to the bolts.
- Tighten nuts with front suspension loaded.

Important: Left upper control arm shaft must have the depression facing inboard.

3. Shims to their original position.
4. Nuts.
- Tighten nuts to 115 Nm (85 ft. lbs.).
5. Upper ball joint to the steering knuckle. Refer to "Upper Ball Joint Replacement." Take the temporary support away from the hub assembly.


Installing The Upper Ball Joint:





6. ABS wire and brake hose bracket from the upper control arm.
7. Tire and wheel assembly.
- Check front alignment.