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Inspection Procedure

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Measuring Vertical Lash In Ball Joint
    GM1855580Courtesy of GENERAL MOTORS CORP.
    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 (FE1 soft ride, FE3 sport) or Lower Control Arm Ball Joint Replacement (FE7 front and rear heavy duty) .
  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. Install J 8001  or a suitable dial indicator in a way to measure vehicle lash in the ball joint.
    5. IMPORTANT: Do not pry between the lower control arm and the wheel drive shaft boot.
  5. Gently lift or pry the suspension to induce ball joint movement.
  6. If the dial indicator reading is more than 1.6 mm (0.063 in), replace the ball joint. Refer to Lower Control Arm Ball Joint Replacement (FE1 soft ride, FE3 sport) or Lower Control Arm Ball Joint Replacement (FE7 front and rear heavy duty) .
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