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Home >> Hummer >> 2008 >> H3 Alpha >> Repair and Diagnosis >> External Pages >> Different car >> Section 417 (Rear Suspension System) >> Repair Instructions >> Upper Control Arm Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: The ball stud must not rotate during disassembly or reassembly. Hand tools must be used to keep the ball stud from rotating. If air tools are used and the stud is allowed to rotate, damage to the ball stud and/or stud mounting hole may occur.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
    3. Fig 1: View Of Upper Ball Joint Mounting Nut
    GM802238Courtesy of GENERAL MOTORS CORP.
  3. Remove the upper control arm to knuckle retaining nut.
    4. Fig 2: View Of Upper Control Arm And Knuckle Retaining Nut
    GM802249Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not free the ball stud by using a pickle fork or a wedge-type tool. Damage to the seal or bushing may result.
  4. Using the J 43631  , disconnect the upper control arm from the knuckle.
    5. Fig 3: View Of Upper Control Arm-To-Frame Mounting Bolts
    GM952849Courtesy of GENERAL MOTORS CORP.
  5. Remove the upper control arm to frame mounting nuts and discard.
  6. Remove the upper control arm to frame mounting bolts and discard.
  7. Remove the upper control arm from the vehicle.
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