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Home >> Pontiac >> 2008 >> Solstice GXP, Automatic >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension General Diagnosis >> Diagnostic Information & Procedures >> Ball Joint Inspection >> Lower Ball Joint Inspection

Lower Ball Joint Inspection

    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 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. Fig 1: View Of Dial Indicator On Bottom Of Brake Rotor
    GM1825790Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: If the rotor does not have a hold down bolt, install 3 lug nuts to ensure the stability of the rotor.
  4. Install J 8001  or a suitable dial indicator in a way to measure vertical lash in the ball joint.
    5. NOTE: 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 .
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