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Home >> Chevrolet >> 2018 >> Impala Premier, Gas/Ethanol >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Suspension System >> Repair Instructions >> Lower Control Arm Replacement >> Installation Procedure

Installation Procedure

  1. GM2911731

    Position the front lower control arm (3) on the vehicle.

  2. CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

  3. Front Lower Control Arm Rear Bolt(2) - Install[2x]

    Install NEW bolts.

  4. Front Lower Control Arm Rear Nut(1) - Install, but do NOT tighten[2x]
  5. GM2911730

    Front Lower Control Arm Front Bolt(2) - Install

    Install a NEW bolt.

  6. CAUTION:

    Refer to Fastener Caution .

  7. Front Lower Control Arm Front Nut(1) - Install and tighten

    Tighten

    1. First Pass: 100 N.m (74 lb ft)
    2. Final Pass: (90 - 105 degrees)
  8. GM2911731

    Front Lower Control Arm Rear Bolt(2) - Tighten[2x]

    Tighten

    1. First Pass: 100 N.m (74 lb ft)
    2. Final Pass: (75 - 90 degrees)
  9. Connect the front lower control arm ball joint to the steering knuckle.
  10. GM2911728

    Steering Knuckle Bolt(2) - Install

    Install a NEW bolt.

  11. Steering Knuckle Nut(1) - Install and tighten

    Tighten

    1. First Pass: 50 N.m (37 lb ft)
    2. Second Pass: Loosen 120 degrees
    3. Third Pass: 50 N.m (37 lb ft)
    4. Final Pass: (30 - 45 degrees)
  12. Connect any harnesses or retainers previously disconnected from the front lower control arm.
  13. Front Compartment Splash Shield - Install - Front Compartment Splash Shield Replacement
  14. Install the front tire and wheel assembly. Tire and Wheel Removal and Installation
  15. Measure and adjust the wheel alignment. Wheel Alignment Measurement