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Home › Chevrolet › 2013 › Trax LS, Automatic Trans › 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. Push the front brake corner forward and position the lower control arm (3) on the vehicle.
  2. Install the OLD front lower control arm rear nut (1) and NEW front lower control arm rear bolt (2) and tighten by hand.
    3. Fig 2: Front Lower Control Arm Front Bolt And Nut
    GM2899460Courtesy of GENERAL MOTORS COMPANY
  3. Install the NEW front lower control arm front bolt (1) and OLD front lower control arm front nut (2) and tighten by hand.
    4. Fig 3: Steering Knuckle Nut And Bolt
    GM2899459Courtesy of GENERAL MOTORS COMPANY
  4. Install the NEW steering knuckle nut (1) and OLD steering knuckle bolt (2) and tighten to 37 N.m (27 lb ft).
  5. After tightening, loosen the steering knuckle nut (1) 120 degrees.
  6. After loosening, tighten the steering knuckle nut (1) to 30 N.m (22 lb ft) + 40 degrees.
    7. Fig 4: Front Suspension Measurement
    GM2906841Courtesy of GENERAL MOTORS COMPANY
  7. Support the lower control arm with a hydraulic jack and lift the control arm until the previously recorded measurement (p) is achieved.
    8. Fig 5: Front Lower Control Arm Front Bolt And Nut
    GM2899460Courtesy of GENERAL MOTORS COMPANY
  8. Tighten the front lower control arm front bolt (1) to 115 N.m (85 lb ft).
  9. After tightening, loosen the front lower control arm front bolt (1) 720 degrees.
  10. After loosening, tighten the front lower control arm front bolt (1) to 70 N.m (52 lb ft) + 100 degrees.
    11. Fig 6: Front Lower Control Arm Rear Nut And Bolt
    GM2899463Courtesy of GENERAL MOTORS COMPANY
  11. Tighten the front lower control arm rear bolt (2) to 80 N.m (59 lb ft) + 70 degrees.
  12. Connect the steering linkage outer tie rod end to the steering knuckle. Refer to Steering Linkage Outer Tie Rod Replacement .
  13. Install the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement (Buick) .
  14. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
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