Upper Arm

Upper Arm Replacement

Special Tools Required
Ball joint remover, 28 mm 07MAC-SL00200

1. Remove the front damper.





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





3. Remove the cotter pin (A) from the upper arm ball joint, and loosen the nut (B).

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

4. Disconnect the upper arm ball joint from the knuckle using the special tool.





5. Remove the upper arm mounting bolts (A), and remove the upper arm (B).





6. Install the upper arm in the reverse order of removal, and note these items:
^ Be careful not to damage the ball joint boot when connecting the upper arm to the knuckle.
^ Tighten all mounting hardware to specified torque values, except for the upper arm mounting bolts.
^ Tighten the castle nut to the lower torque value, then tighten it only far enough to align the slot with the hole in the stud. Do not align the castle nut by loosening it.
^ Use a new cotter pin on the castle nut.
^ Before installing the wheel, clean the mating surface on the brake disc and the inside of the wheel.
^ Check the front wheel alignment, and adjusting it if necessary.
^ Insert a rod (A) of appropriate size (O.D.6 mm/L: 300 mm) into the positioning holes (B), and place the upper arm (C) on the rod to position it before tightening the upper arm mounting bolts.