Rear Axle Upper Control Arm Replacement

Rear Axle Upper Control Arm Replacement

Removal Procedure





1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel.
3. Remove the wheelhouse panel.
4. Raise and support the rear axle at the designed D - height. Refer to Trim Height Specifications.
5. If equipped with air suspension, depressurize the air suspension system. Refer to Air Suspension Depressurization Procedure.
6. If equipped with air suspension, disconnect the air suspension leveling sensor link from the rear axle upper control arm.





7. Remove the rear axle upper control arm to axle mounting bolt and nut.





8. Remove the rear axle upper control arm to frame mounting bolt.
9. Remove the rear axle upper control arm.

Installation Procedure





1. Install the rear axle upper control arm.
2. Install the rear axle upper control arm to frame mounting bolt.





3. Install the rear axle upper control arm to axle mounting nut and bolt.

Tighten
Tighten the rear axle upper control arm mounting bolts to 131 Nm (97 ft. lbs.).

Notice: Refer to Fastener Notice in Service Precautions.






4. If equipped with air suspension, connect the air suspension leveling sensor link to the rear axle upper control arm.
5. Remove the rear axle support.
6. Install the wheelhouse panel.
7. Install the tire and wheel.
8. Lower the vehicle.