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Home >> Oldsmobile >> 2003 >> Aurora >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Suspension System >> Repair Instructions >> Lower Control Arm Replacement >> Installation Procedure

Installation Procedure

  1. Install the control arm to the frame.

    Important:  Do not tighten the control arm nuts at this time. Before tightening the control arm mounting nuts, support the weight of the vehicle by the control arms in order to obtain the vehicle design trim heights.

  2. Install the bolts, washers and nuts.
  3. Connect the stabilizer link to the control arm.
  4. Connect the ball joint to the knuckle.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  5. Install the cotter pin.

    Tighten 

    • Tighten the stabilizer shaft link assembly nut to 17 N.m (13 ft. lb.).
    • Tighten the ball joint nut to 10 N.m (89 in. lb.). Then, tighten the two flats to a minimum of 55 N.m (41 ft. lb.) in order to align the cotter pin slot.
    Fig 1: Installing Control Arm
    G02552701Courtesy of GENERAL MOTORS CORP.
  6. Lower the vehicle and support the lower control arm with a jackstand to set the control arm bushings into the normal position.
  7. Tighten the control arm bolts in the following sequence:

    Tighten 

    1. 7.1. Tighten the rear mounting bolt to 158 N.m (117 ft. lb.).
    2. 7.2. Tighten the front mounting nut to 158 N.m (117 ft. lb.).
  8. Install the wheel and tire. Refer to Install the tires and wheels. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  9. Lower the vehicle.
  10. Check suspension alignment.
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