Diesel Data: Automotive Repair

Front Lower Arm Replacement




Front Lower Arm Replacement

Special Tools Required

- Ball Joint Thread Protector, 12 mm 07AAF-SDAA100
- Ball Joint Thread Protector, 14 mm 071AF-S3VA000
- Ball Joint Remover, 32 mm 07MAC-SL0A102
- Ball Joint Remover, 28 mm 07MAC-SL0A202

1. Raise and support the vehicle Service and Repair.

2. Remove the front wheel.

3. Remove the flange nut (A) while holding the joint pin (B) with a hex wrench (C), and disconnect the stabilizer link (D) from the lower arm (E).

NOTE: Use a new flange nut during reassembly.






4. Remove the lock pin (A) from the knuckle ball joint, then remove the castle nut (B).

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





5. Disconnect the lower arm 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.
- Do not force or hammer on the lower arm, or pry between the lower arm and the knuckle. You could damage the ball joint.

6. Remove the flange bolts, and remove the lower arm (A).

NOTE: Use new flange bolts during reassembly.





7. Install the lower 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 with a floor jack 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 lower arm to the knuckle.
- Before connecting the knuckle ball joint to the lower arm, degrease the threaded section and the tapered portion of the ball joint pin, the ball joint connecting hole, 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 between the brake disc and the inside of the wheel.

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