Upper Arm: Installation
WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Do not tighten the suspension upper arm-to-subframe nuts until the suspension is at curb height. Failure to do so can cause severe damage to the bushings resulting in poor ride quality and handling.
- Install the suspension upper arm.
- Position the arm on the subframe.
- Install new suspension upper arm-to-subframe nuts and bolts. Do not tighten at this time.
- Connect the ball joint to the wheel knuckle and hub assembly. Install a new ball joint-to-wheel knuckle nut.
- Tighten to 90 Nm (66 lb-ft).
- Clip the ABS sensor wire to the suspension upper arm.
- Position a jack stand under the suspension lower arm and raise the suspension until the distance between the center of the hub and the lip of the fender is equal to the measurement taken in Removal, Step 1.
- Tighten the suspension upper arm nuts.
- Tighten to 90 Nm (66 lb-ft).
- Lower the suspension and remove the jack stand.
- Lower the vehicle.
NOTE:
The bolts and nuts retaining the suspension upper arm are of a torque prevailing design. New bolts and nuts must be used.
CAUTION:
Use care not to damage the anti-lock brake system (ABS) sensor ring. A damaged sensor ring will result in incorrect ABS operation.
NOTE:
Install the ball joint-to-wheel knuckle nut using the hex holding feature until snug. Final tighten the nut using a line-type crow's foot and a torque wrench.