Lower Arm Removal/Installation
Lower Arm Removal/InstallationSpecial Tools Required
Ball joint remover, 32 mm 07MAC-SL0A102
1. Raise the front of the vehicle, and support it with safety stands in the proper locations.
2. Remove the front wheels taking care not to scratch the caliper.
3. Remove the holder (A) from the knuckle (B).
NOTE: Use a new flange bolt and a new self-locking nut during reassembly.
4. Remove the cotter pin (A) from the lower ball joint castle nut (B), then remove the nut.
NOTE:
^ To avoid damaging the ball joint, install a hex nut on the threads of the ball joint.
^ 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 knuckle. You could damage the ball joint.
^ Insert the new cotter pin into the ball joint pin hole from the rear to the front of vehicle, and bend its end as shown.
5. Disconnect the lower arm ball joint from the holder using the ball joint remover.
6. Remove the self-locking nut (A) and washer (B), then remove the damper fork mounting nut (C) and bolt (D).
NOTE: Use a new self-locking nut, new damper fork mounting nut and new bolt during reassembly.
7. Remove the flange bolts (A) and self-locking nut (B), then remove the lower arm (C).
NOTE: Use a new flange bolts and a new self-locking nut during reassembly.
8. In case of a loose lower arm bracket (A), follow the steps to retighten its bolts:
^ 1 Lightly tighten the new three bolts.
^ 2 Align the center of the cam (B) to the edge (C).
^ 3 Tighten the adjusting bolt (D).
^ 4 Tighten the lower arm bracket mounting bolt (E).
^ 5 Tighten the lower arm bracket mounting bolt (F).
9. Install the lower arm in the reverse order of removal, and note these items:
^ First install all 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 values. Do not place the jack against the ball joint pin of the knuckle.
^ Be careful not to damage the ball joint boot when installing the knuckle.
^ Before connecting the lower ball joint to the holder, degrease the threaded section and tapered portion of the ball joint pin, the holder connecting hole, the threaded section and 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.
^ Install a new cotter pin on the castle nut after torquing.
^ Before installing the wheel, clean the mating surfaces of the brake disc and the inside of the wheel.
^ Check the wheel alignment, and adjust it if necessary.