Inspect the upper ball joint with the vehicle raised and supported with jackstands, as follows:
- Separate the ball stud from the steering knuckle.
- Move the stud with your finger.
- If there is excessive play present, replace the lower ball joint.
- Check the ball joint boots for tears or other damage. Replace the boots, if they are damaged.
- Repack with a long lasting chassis grease, if the boots are being replaced.
- Apply 0.28-0.35 oz. (8-10g) of grease to the stud neck, 0.11 oz. (3g) to the boot interior, and a small amount of grease to the inner lip of the boot.
REMOVAL & INSTALLATION
- Raise and support the front of the vehicle with jackstands. Remove the wheels.
- Remove the cotter pin and the castellated nut from the ball joint.
- Remove the steering knuckle-to-ball joint bolt and the ball joint from the vehicle.
- Inspect the ball joint for damage to the boot that retains grease for stress cracks.
- Use a new the ball joint and reverse Steps 1 through 4.
- Torque the ball joint stud-to-steering knuckle housing bolt to 22-29 ft. lbs. (29-39 Nm).
- Connect the ball joint to the transverse link and install the castellated nut.
- Torque the ball joint-to-lower control arm nut to 29 ft. lbs. (39 Nm). Then, torque the nut further, just until the castellations are aligned with the hole in the end of the ball stud.
- Install a new cotter pin and bend it around the nut.