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Home >> Chevrolet >> 2017 >> Sonic Premier, 4D Hatchback, 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
    GM2497520Courtesy of GENERAL MOTORS COMPANY
  1. Position the front lower control arm (1) on the vehicle.
  2. Fig 2: Front Lower Control Arm Rear Nut & Bolt
    GM2497309Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do NOT tighten the front lower control arm rear bolt and nut until AFTER the front lower control arm front bolt is tightened.

  3. Front Lower Control Arm Rear Bolt - Loosely install

    Install a NEW bolt.

  4. Front Lower Control Arm Rear Nut - Loosely install
  5. Fig 3: Front Lower Control Bolt
    GM2497356Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  6. Front Lower Control Arm Front Bolt - Install and tighten

    Install a NEW bolt.

    Tighten

    1. First Pass: 115 N.m (85 lb ft)
    2. Final Pass: 60 - 70 degrees
  7. Fig 4: Front Lower Control Arm Rear Nut & Bolt
    GM2497309Courtesy of GENERAL MOTORS COMPANY
  8. Front Lower Control Arm Rear Bolt - Tighten

    Tighten

    1. First Pass: 160 N.m (118 lb ft)
    2. Final Pass: 30 - 45 degrees
  9. Fig 5: Control Arm Ball Joint To Steering Knuckle Bolt
    GM2497213Courtesy 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.

  10. Steering Knuckle Bolt - Install
  11. Steering Knuckle Nut - Install and tighten

    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
  12. Steering Linkage Outer Tie Rod@Steering Knuckle - Install - Steering Linkage Outer Tie Rod Replacement
  13. Front Wheelhouse Liner Inner Front Extension - Install - Front Wheelhouse Liner Inner Front Extension Replacement (Left)Front Wheelhouse Liner Inner Front Extension Replacement (Right, LUV)Front Wheelhouse Liner Inner Front Extension Replacement (Right, LWE, LUW)
  14. Front Wheelhouse Liner - Install - Front Wheelhouse Liner Replacement (Front)Front Wheelhouse Liner Replacement (Rear)Front Wheelhouse Liner Replacement (with WFK)
  15. Measure and adjust the wheel alignment. Wheel Alignment Measurement