For 1990-2009 cars only
- Check the front lower control arm ball stud tightness in the knuckle boss whenever you inspect the front lower control arm ball stud.
- Raise the vehicle to remove the weight of the vehicle from the suspension. Refer to Lifting and Jacking the Vehicle in General Information.
- Grasp the tire at the top and the bottom.
- Move the bottom of the tire in an in-and-out motion while checking for movement of the stud end or castellated nut at the knuckle boss.
- A loose castellated nut may indicate a bent stud or a damaged hole in the knuckle boss.
- Observe any horizontal movement of the knuckle relative to the control arm.
- Replace the ball joints/studs if you detect any looseness in the joint or if the ball joint seal is cut.
- Replace worn or damaged parts with the correct service parts.
