GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 8001 Dial Indicator Set

    Important: 

       • 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 suitably 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 ball joint. Refer to Lower Control Arm Ball Joint 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
  5. Install J 8001 or a suitable dial indicator in a way to measure vehicle lash in the ball joint.
  6. Important: Do not pry between the lower control arm and the wheel drive shaft boot.

  7. Gently lift or pry the suspension to induce ball joint movement.
  8. If the dial indicator reading is more than 0.5 mm (0.020 in), replace the ball joint. Refer to Lower Control Arm Ball Joint Replacement .