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Home › Chevrolet › 2017 › Trax LS, AWD › Repair and Diagnosis › Suspension › Front Suspension › Front Suspension System › Repair Instructions › Lower Control Arm Replacement › Installation Procedure

Installation Procedure

    Fig 1: Front Lower Control Arm, Rear Nut And Bolt
    GM2899463Courtesy of GENERAL MOTORS COMPANY
  1. 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.

  2. Install Front Lower Control Arm Rear Bolt (2)

    Install a NEW bolt.

  3. Install and hand tighten Front Lower Control Arm Rear Nut (1)
    4. Fig 2: Front Lower Control Arm Front Bolt And Nut
    GM2899460Courtesy of GENERAL MOTORS COMPANY
  4. Install and hand tighten Front Lower Control Arm Front Bolt (1)

    Install a NEW bolt.

  5. Install Front Lower Control Arm Front Nut (2)
    6. Fig 3: Front Suspension Support Vibration Dampener
    GM4833694Courtesy of GENERAL MOTORS COMPANY
  6. {If equipped} Install Front Suspension Support Vibration Dampener (2). Refer to Front Suspension Support Vibration Dampener Replacement 
    7. Fig 4: Front Lower Control Arm Ball Stud Nut And Bolt
    GM2899459Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    Ensure that the lower control arm ball joint stud is correctly seated in the steering knuckle. Visually check that the notch in the lower control arm ball joint stud is lined up with the bolt hole in the steering knuckle. Failure to correctly align these components may cause the lower control arm to detach from the knuckle which will result in severe personal injury and damage to the vehicle.

  7. Install Front Lower Control Arm Ball Stud Bolt (2)
    8. CAUTION:

    Refer to Fastener Caution .

  8. Install and tighten Front Lower Control Arm Ball Stud Nut (1)

    Tighten

    1. First Pass: 42 N.m (31 lb ft)
    2. Second Pass: Loosen 120 degrees
    3. Third Pass: 35 N.m (26 lb ft)
    4. Final Pass: (30-45 degrees)
    9. Fig 5: Front Suspension Measurement
    GM2906841Courtesy of GENERAL MOTORS COMPANY
  9. Support the front lower control arm with a hydraulic jack and lift the control arm until the previously recorded measurement (p) is achieved.
    10. Fig 6: Front Lower Control Arm Front Bolt And Nut
    GM2899460Courtesy of GENERAL MOTORS COMPANY
  10. Tighten Front Lower Control Arm Front Bolt (1)

    Tighten

    1. First Pass: 115 N.m (85 lb ft)
    2. Second Pass: Loosen 720 degrees
    3. Third Pass: 80 N.m (59 lb ft)
    4. Final Pass: (90-105 degrees)
    11. Fig 7: Front Lower Control Arm, Rear Nut And Bolt
    GM2899463Courtesy of GENERAL MOTORS COMPANY
  11. Tighten Front Lower Control Arm Rear Bolt (2)

    Tighten

    1. First Pass: 80 N.m (59 lb ft)
    2. Final Pass: (60-75 degrees)
  12. Remove the hydraulic jack from under the front lower control arm.
  13. Install the front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation
  14. Measure and adjust the wheel alignment. Refer to Wheel Alignment Measurement
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