Upper

Removal

1. WARNING: The electrical power to the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. This can be accomplished by turning off the air suspension switch located in the rear jack storage area. Failure to do so can result in unexpected inflation or deflation of the air springs or shocks, which can result in shifting of the vehicle during these operations.

Raise the vehicle on a hoist.
2. Remove the wheel and tire assembly.
3. Use a suitable jack stared to support the front suspension lower arm.





4. CAUTION: To avoid possible damage to the front wheel spindle, secure the spindle to keep it from tilting before removing the pinch bolt and nut.

Remove the pinch bolt and nut from the front wheel spindle.





5. Remove the front suspension upper arm.
1 Remove the two nuts.
2 Remove the two bolts.
3 Remove the front suspension upper arm.

Installation





1. Install the front suspension upper arm.
1 Position the front suspension upper arm.
2 Install the two bolts and two nuts.





2. Install the pinch bolt and nut to the front wheel spindle.
1 Position the front wheel spindle.
2 Install the pinch bolt and nut.
3. Remove the jack stand from under the front suspension lower arm.
4. Install the tire and wheel assembly.

5. Note: If equipped with air suspension, reactivate the system by turning on the air suspension switch.

Lower the vehicle.
6. Inspect the front end height.
7. Inspect and adjust the front end alignment.