Upper

1. Raise vehicle, then support lower control arm with suitable jack.
2. Remove cotter pin from upper ball stud, then loosen stud nut approximately two turns.
3. Separate ball joint from steering knuckle using suitable tool, then remove stud nut.
4. Center punch rivet heads, then drill out rivets and remove ball joint from control arm.
5. Reverse procedure to install. Tighten stud nut to specifications. If cotter pin does not align with stud nut, tighten nut an additional amount until cotter pin can be installed. Never loosen stud nut when installing cotter pin.