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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 523 (Rear Suspension System) >> Repair Instructions >> Rear Axle Upper Control Arm Replacement >> Installation Procedure

Installation Procedure

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  1. Install the upper control arm.
    2. Fig 1: Upper Control Arm-To-Axle Bracket Retaining Nut And Bolt
    GM516271Courtesy of GENERAL MOTORS COMPANY
  2. Install the upper control arm retaining bolt and nut to the axle bracket.
    3. Fig 2: Upper Control Arm-To-Frame Bracket Retaining Nut And Bolt
    GM516277Courtesy of GENERAL MOTORS COMPANY
  3. Install the upper control arm retaining bolt and nut to the frame bracket.
    4. CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Do not tighten the nuts unless the suspension is at the curb height position.

  4. Tighten the upper control arm bolts to :
    • First Pass: 100 N.m (74 lb ft)
    • Final Pass: plus 55 degrees
  5. Connect the ESC sensor, if equipped. Refer to Electronic Suspension Rear Position Sensor Replacement - Left Side , or Electronic Suspension Rear Position Sensor Replacement - Right Side .
  6. Lower the vehicle.
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