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Installation Procedure

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  1. Install the upper control arm.
  2. Install the upper control arm retaining bolt and nut to the axle bracket.
    Fig 1: Installing Upper Control Arm Retaining Bolt And Nut To Axle Bracket
    G01455504Courtesy of GENERAL MOTORS CORP.
  3. Install the upper control arm retaining bolt to the frame bracket.
    NOTE: Refer to Fastener Notice on page P-9 in Cautions and Notices.

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

  4. Install the upper control arm retaining nut.

    Tighten 

    Tighten the upper control arm retaining bolts to 105 N.m (77 lb ft).

  5. Connect the (ESC) sensor, if equipped. Refer to REAR POSITION SENSOR REPLACEMENT--ELECTRONIC SUSPENSION--LEFT (15 SERIES) or REAR POSITION SENSOR REPLACEMENT--ELECTRONIC SUSPENSION--LEFT (25 SERIES) or REAR POSITION SENSOR REPLACEMENT--ELECTRONIC SUSPENSION--RIGHT in Electronic Suspension Control (ESC).
  6. Lower the vehicle.
    Fig 2: Installing Upper Control Arm Retaining Bolt To Frame Bracket
    G01455505Courtesy of GENERAL MOTORS CORP.
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