GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 161659  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the automatic level control height sensor link from the upper control arm.
  4. Remove the fuel filler tube bracket and position away.
  5. Remove the upper to support mounting bolt and nut.
  6. Remove the upper control arm to knuckle mounting bolt and nut.
  7. Remove the upper control arm from the vehicle.

Installation Procedure


    Object Number: 161659  Size: SH
  1. Install the upper control to the vehicle.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the inner and outer control arm bolts. Place a screw jack under the outboard end of the lower control arm to bring the suspension to designed trim height. The inner control arm nuts must be tightened in design position to reduce wind up in the bushings.
  4. Tighten
    Tighten the upper control arm inner and outer nuts to 57 N·m (42 lb ft).

  5. Install the fuel filler tube bracket.
  6. Install the automatic level control height sensor link.
  7. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  8. Lower the vehicle.