Lower Ball Joint

DIAGNOSIS AND TESTING - LOWER BALL JOINT
1. Raise the vehicle on jack stands or centered on a frame contact type hoist.
2. Install a dial indicator on the vehicle so it is contacting the top surface of the steering knuckle near the lower ball joint stud castle nut.
3. Grab wheel and tire assembly and push it up and down firmly.
4. Record the amount of up and down movement of the steering knuckle recorded on the dial indicator.
5. Replace lower control arm if the movement in the lower control arm exceeds 1.5 mm (0.059 inch).