Rear Upper Arm Replacement

Rear Upper Arm Replacement

Special Tools Required

- Ball Joint Thread Protector, 12 mm 07AAF-SDAA100
- Ball Joint Remover, 32 mm 07MAC-SL0A102

1. Raise and support the vehicle Service and Repair.

2. Remove the rear wheel.

3. Place a floor jack under the trailing arm, and support the suspension.

4. Remove the wheel speed sensor bracket (A) from the upper arm (B).

NOTE: Use a new wheel speed sensor bracket during reassembly.






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

NOTE: During installation, install the lock pin as shown after tightening the new castle nut.





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

NOTE: Be careful not to damage the ball joint boot when installing the remover.

7. Remove the flange bolts (A) and the self-locking nuts (B), then remove the upper arm (C).

NOTE: Use new flange bolts and new self-locking nuts during reassembly.





8. 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 nuts, then raise the suspension to load it with the vehicle's weight before fully tightening to the specified torque.
- Be careful not to damage the ball joint boot when installing the knuckle.
- Before connecting the ball joint to the knuckle, degrease the threaded section and the tapered portion of the ball joint pin, the connecting hole, and the threaded section and the mating surface 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 of the brake disc/drum and the inside of the wheel.

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