REMOVAL & INSTALLATION
- Raise and safely support the vehicle.
- Remove the rear wheels.
- Support the knuckle and lower control arm with a floor jack to compress the strut.
- Remove the castle nut cap, cotter pin, and castle nut from the upper ball joint. Use a ball joint separator tool to separate the ball joint from the knuckle.
- Unbolt and remove the upper control arm.
- Check upper control arm and bushing for signs of wear and damage. Replace the upper control arm if the ball joint is faulty.
Use new self-locking nuts when assembling suspension components.
- Install the upper arm into the vehicle. Install the mounting bolts and only hand-tighten them. Reconnect the upper arm to the knuckle.
- Tighten the castle nut at the ball joint to 32 ft. lbs. (44 Nm). Tighten the castle nut only enough to install a new cotter pin. Install the castle nut cap.
- Install the rear wheels and lower the vehicle.
- Tighten the upper mounting bolts to 28 ft. lbs. (39 Nm).
- Tighten the wheel nuts to 80 ft. lbs. (110 Nm).
- Check and adjust the vehicle's rear wheel alignment.
CONTROL ARM BUSHING REPLACEMENT
The upper control arm bushings are part of the control arm. If the bushings are worn or damaged, the control arm must be replaced as an assembly.