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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Front Suspension System) >> Repair Instructions >> Upper Control Arm Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the upper control arm to the vehicle.
    Fig 1: Installing Upper Control Arm
    G01419405Courtesy of GENERAL MOTORS CORP.

    Important:  The upper control arm shims will have an effect on the camber and the caster. Make sure to use an equal thickness of shims on both sides of each individual upper control arm bushing.

  2. Install the upper control arm shims.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the upper control arm mounting bolts to the upper control arm and frame rail.

    Tighten 

    Tighten the upper control arm mounting bolts to 65 N.m (48 lb ft).

  4. Install the upper ball joint stud into the upper control arm. It will be necessary to use an Allen wrench to keep the ball joint stud from spinning while tightening the ball joint stud nut.
    Fig 2: Installing Upper Ball Joint Stud Into Upper Control Arm
    G01419406Courtesy of GENERAL MOTORS CORP.

    Tighten 

    1. 4.1. Tighten the upper control arm ball joint stud nut to 20 N.m (15 lb ft) to seat the ball joint stud.
    2. 4.2. Turn the ball joint nut an additional 250 degrees.
    3. 4.3. Check the ball joint nut for a minimum final torque of 55 N.m (41 lb ft).
  5. Connect the ESC sensor link.
    Fig 3: Connecting ESC Sensor Link
    G01419407Courtesy of GENERAL MOTORS CORP.
  6. Remove the jackstand.
  7. Install the tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  8. Lower the vehicle.