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Home › Pontiac › 2009 › G8 Base › Repair and Diagnosis › Suspension › Front Suspension › Front Suspension System › Repair Instructions › Front Lower Control Front Arm Replacement › Installation Procedure

Installation Procedure

    Fig 1: View Of Caster Arm & Subframe
    GM2004710Courtesy of GENERAL MOTORS CORP.
  1. Install the NEW caster arm (1) to the subframe (2).
    2. Fig 2: Identifying End Plate With Encapsulated Retaining Nut To Subframe Retainer
    GM2152069Courtesy of GENERAL MOTORS CORP.
    NOTE: The caster arm to subframe retaining bolt (2) is not to be fully tightened at this stage.
  2. Install the NEW end plate with encapsulated retaining nut (3).
  3. Install the end plate with encapsulated retaining nut to subframe retainer (4).
  4. Install the offset washer (1).
  5. Install the NEW caster arm to subframe retaining bolt (2).
    6. Fig 3: View Of Caster Arm & Steering Knuckle
    GM1949942Courtesy of GENERAL MOTORS CORP.
  6. Install the caster arm (1) to the steering knuckle (2).
    7. CAUTION: Refer to Fastener Caution .
  7. Install the NEW caster arm to steering knuckle retaining nut (3).

    Tighten: 

    • First Pass: Tighten the nut to 40 N.m (30 lb ft).
    • Final Pass: Tighten the nut an additional 60 degrees using E7115  .

  8. Install the front wheel. Refer to Tire and Wheel Removal and Installation .
  9. Lower the vehicle.
    10. Fig 4: Identifying Caster Arm To Subframe Retaining Bolt
    GM2152070Courtesy of GENERAL MOTORS CORP.
  10. Bounce the vehicle several times to settle the suspension.
  11. Check and adjust the wheel alignment. Refer to Wheel Alignment Measurement in Wheel Alignment.
  12. Tighten the caster arm to subframe retaining bolt (1).

    Tighten: 

    • First Pass: Tighten the bolts to 50 N.m (30 lb ft).
    • Final Pass: Tighten the bolts an additional 120 degrees using E7115 

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