GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 8001 Dial Indicator

Ball Joint Inspection

    Note: 

       •  The vehicle must rest on a level surface.
       • The vehicle must be stable. Do not rock the vehicle on the floor stands.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Clean and inspect the ball joint seal for cuts or tears. If the ball joint seal is damaged, replace the lower control arm. Refer to Lower Control Arm Replacement.
  3. Support the lower control arm with a floor stand as far outboard as possible and raise the suspension to just below ride height.

  4. Object Number: 1855580  Size: SH

    Caution: Do not pry in such a way that the ball joint seal is contacted. Damage to the seal may result.

  5. Gently lift or pry the suspension to induce ball joint movement.
  6. If the dial indicator reading is more than 0.5 mm (0.020 in), replace the lower control arm. Refer to Lower Control Arm Replacement.