Upper

1. Raise vehicle and support with stands at outer ends of lower control arms.
2. Remove wheel and tire.

Fig. 7 Disconnecting Upper Ball Joint Form Steering Knuckle:

3. Remove cotter pin and retaining nut, then separate ball joint stud from knuckle using a suitable tool, Fig. 7.
4. Support upper control arm in a raised position.
5. Remove heads of rivets securing joint to arm, then drive out rivets to remove joint.

Fig. 8 Installing Service Upper Ball Joint:

6. Position replacement joint on top of control arm, insert retaining bolts supplied with joint from under arm, install nuts and torque to specifications, Fig. 8.
7. Remove upper control arm support, assemble ball joint to steering knuckle, install washer, if equipped, and retaining nut.
8. Torque retaining nut to specifications.
9. Tighten retaining nut up to an additional 1/16 turn, if necessary, to align hole in ball stud with nut, then install cotter pin.

Fig. 9 Disconnecting Lower Ball Joint From Steering Knuckle:

Fig. 10 Pressing Lower Ball Joint From Lower Control Arm:

Fig. 11 Pressing Lower Ball Joint Into Lower Control Arm:

LOWER BALL JOINT

1. Raise vehicle and support at frame, and remove wheel and tire.
2. Position a suitable jack under lower control arm spring seat, and raise jack to compress coil spring. Jack must remain in place during ball joint replacement to hold spring and lower control arm in position.
3. Remove cotter pin and nut securing ball joint stud to steering knuckle, then disconnect joint from knuckle using a suitable tool, Fig. 9.
4. Lift knuckle assembly from ball stud, guiding control arm out of splash shield, then support knuckle aside to allow clearance for joint removal.
5. Remove grease fitting, then press ball joint assembly out of lower control arm using a suitable tool, Fig. 10.
6. Press replacement joint into arm using suitable tools, Fig. 11. Fit spindle over ball stud, install washer, if equipped, and retaining nut.
7. Torque retaining nut to specifications.
8. Tighten nut up to an additional 1/16 turn, if necessary, to align hole in ball stud with nut, then install cotter pin.