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Home >> Buick >> 2013 >> Verano Base >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Suspension System >> Repair Instructions >> Lower Control Arm Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Lower Control Arm
    GM2027747Courtesy of GENERAL MOTORS COMPANY
  1. Position the lower control arm (1) in the cradle.
    2. Fig 2: Rear Lower Control Arm Bushing Nuts And Bolts
    GM2027746Courtesy of GENERAL MOTORS COMPANY
  2. Install and hand tighten the NEW rear lower control arm bushing nuts and bolts (1).
    3. Fig 3: Identifying Front Lower Control Arm Nut And Bolt
    GM2027744Courtesy of GENERAL MOTORS COMPANY
  3. Install and hand tighten the NEW front lower control arm nut and bolt (1).
    4. Fig 4: Lower Ball Joint-To-Knuckle Nut And Bolt
    GM2027743Courtesy of GENERAL MOTORS COMPANY
  4. Support the lower control arm with a hydraulic jack and lift the control arm into the neutral position.
    5. CAUTION:

    Refer to Fastener Caution .

  5. Install the NEW ball joint to knuckle bolt (1) with a NEW nut and tighten to 30 N.m (22 lb ft).
    6. WARNING:

    Refer to Torque-to-Yield Fastener Warning .

  6. Tighten the ball joint to knuckle bolt (1) and nut a final pass to an additional 60 - 75 degrees, using the EN-45059  meter.
  7. Tighten the rear lower control arm bolts and nuts a first pass to 70 N.m (52 lb ft).
    8. WARNING:

    Refer to Torque-to-Yield Fastener Warning .

  8. Tighten the rear lower control arm bolts and nuts a final pass to an additional 75 - 90 degrees, using the EN-45059  meter.
  9. Tighten the front lower control arm bolt and nut a first pass to 90 N.m (66 lb ft).
    10. WARNING:

    Refer to Torque-to-Yield Fastener Warning .

  10. Tighten the front lower control arm bolts and nuts a final pass to an additional 75 - 90 degrees, using the EN-45059  meter.
  11. Remove the jack stand.
  12. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  13. Lower the vehicle.
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