Installation Procedure

2009 Pontiac G8 BaseSECTION Installation Procedure
    Fig 1: Identifying Control Arm To Subframe Retaining Bolt
    GM1949922Courtesy of GENERAL MOTORS CORP.
  1. Install the front control arm (3) to the subframe (2).
  2. NOTE: The NEW front control arm to subframe retaining bolt (1) must not be fully tightened at this stage.
  3. Install the NEW front control arm to subframe retaining bolt (1).
  4. Fig 2: View Of Control Arm & Steering Knuckle
    GM1949920Courtesy of GENERAL MOTORS CORP.
  5. Install the front control arm (1) to the steering knuckle (3).
  6. CAUTION: Refer to Fastener Caution .
  7. Install the NEW control arm to steering knuckle retaining nut (2).

    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 3: Identifying Control Arm To Subframe Retaining Bolt
    GM1949923Courtesy of GENERAL MOTORS CORP.
  11. Bounce the vehicle several times to settle the suspension.
  12. Check and adjust the wheel alignment. Refer to Wheel Alignment Measurement .
  13. Tighten the NEW control arm to subframe retaining bolt (1).

    Tighten: 

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

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.