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Home >> Cadillac >> 2007 >> XLR Base >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Suspension System >> Repair Instructions >> Upper Control Arm Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Upper Control Arm & Components
    GM922460Courtesy of GENERAL MOTORS CORP.
  1. Install the upper control arm to the vehicle.
    2. IMPORTANT: The upper control arm shims will have an effect on the camber and the caster. Make sure to use an equal thickness of shims on both sides of each individual upper control arm bushing.
  2. Install the upper control arm shims.
    3. NOTE: Refer to Fastener Notice .
  3. Install the upper control arm mounting bolts to the upper control arm and frame rail.

    Tighten:  Tighten the upper control arm mounting bolts to 65 N.m (48 lb ft).

  4. Install the upper ball joint stud into the upper control arm. It will be necessary to use an Allen wrench to keep the ball joint stud from spinning while tightening the ball joint stud nut.

    Tighten:  Tighten the upper control arm ball joint stud nut to 20 N.m (15 lb ft) plus 225 degrees.

  5. Connect the ESC sensor links. Refer to Front Position Sensor Replacement - Electronic Suspension .
  6. Remove the jackstand.
  7. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  8. Lower the vehicle.
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