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Home >> GMC >> 2022 >> Acadia SLE, 4WD >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension General Diagnosis >> Diagnostic Information and Procedures >> Rear Ball Joint Inspection (Rear Suspension Lower Control Arm to Rear Suspension Knuckle) >> Inspection Procedure

Inspection Procedure

  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. Clean and inspect the rear suspension knuckle lower ball joint seal for cuts or tears. If the seal is damaged, replace the rear suspension knuckle. Knuckle Replacement
  3. GM4876968Courtesy of GENERAL MOTORS COMPANY

    Install the base of the J-8001  Dial Indicator Set, or equivalent, to the rear suspension lower control arm at the location shown above (1).

  4. Install the dial indicator J-8001  Dial Indicator Set, or equivalent, to the rear suspension knuckle with the contact point at the location shown above (2).
  5. CAUTION:

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

  6. Grasp the tire at the 12 o'clock and 6 o'clock locations. Attempt to induce ball joint movement by alternately pushing in with one hand and pulling with the other.
  7. Note the reading on the dial indicator. If the dial indicator indicates a total movement reading greater than 0.5 mm (0.02 in), replace the rear suspension knuckle. Knuckle Replacement
  8. Remove the dial indicator J-8001  Dial Indicator Set, or equivalent, from the rear suspension lower control arm and the rear suspension knuckle.
  9. Remove the support and lower the vehicle.