Front Upper Arm Replacement

Front Upper Arm Replacement

Special Tools Required

- Ball Joint Thread Protector, 10 mm 07AAF-SECA120
- Ball Joint Remover, 28 mm 07MAC-SL0A202

1. Raise and support the vehicle Service and Repair.

2. Remove the front wheel.

3. Remove the front damper/spring.

4. Remove the cotter pin (A) from the upper arm ball joint, then remove the castle nut (B).

NOTE: During installation, install the new cotter pin into the ball joint pin hole from the front to the rear of the vehicle, and bend its end as shown. Check the ball joint pin hole direction before connecting the ball joint.





5. Disconnect the upper arm ball joint from the knuckle using the ball joint thread protector and the ball joint remover Ball Joint Removal.

6. Remove the upper arm mounting bolts (A), then remove the upper arm (B).

NOTE: Use new upper arm mounting bolts during reassembly.





7. Install the upper arm in the reverse order of removal, and note these items:

- First install all of the components, and lightly tighten the bolts and the nuts, then raise the suspension to load it with the vehicle's weight before fully tightening it to the specified torque. Do not place the jack against the ball joint pin of the knuckle.
- Be careful not to damage the ball joint boot when connecting the knuckle.
- Before connecting the ball joint, degrease the threaded section and the tapered portion of the ball joint pin, the ball joint connecting hole, the threaded section, and the mating surfaces of the castle nut.
- Torque the castle nut to the lower torque specification, then tighten it only far enough to align the slot with the ball joint pin hole. Do not align the castle nut by loosening it.
- Before installing the wheel, clean the mating surfaces between the brake disc and the inside of the wheel.

8. Check the wheel alignment, and adjust it if necessary Service and Repair.