GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Vehicle Lifting Caution in the Preface section.


    Object Number: 891570  Size: SH
  1. Raise the vehicle on the hoist.
  2. Remove the wheel and tire assembly.

  3. Object Number: 891615  Size: SH
  4. Remove the ball stud bolt and nut.
  5. Notice: Care must be taken to prevent damage to the speed sensor ring on ABS vehicles. Minor surface damage to the speed sensor ring can result in ABS system malfunctions.

  6. Separate the ball stud from the steering knuckle using a pry bar.
  7. Remove the lower control arm to frame assembly bolts and discard.
  8. Remove the lower control arm from the vehicle.

Installation Procedure


    Object Number: 891615  Size: SH
  1. Install the control arm onto the frame assembly.
  2. Install the control arm to the frame using NEW bolts.
  3. Tighten
    Tighten the control arm-to-frame bolts to 90 N·m (66 lb ft) + 75-90 degrees.


    Object Number: 891570  Size: SH

    Important: Use a new bolt and nut. Tighten retention of the old fasteners may not be sufficient.

  4. Install the ball stud to the steering knuckle bolt and nut. Hold the bolt while tightening the nut.
  5. Tighten
    Tighten the lower control arm-to-steering knuckle to 100 N·m (75 lb ft).

    Notice: Refer to Wheel Installation Caution in the Preface section.

  6. Position the wheel onto the hub
  7. Install the wheel bolts and tighten in a crisscross pattern.
  8. 5.1. Hand tighten all 5 wheel bolts.
    5.2. Use a torque wrench to tighten the wheel bolts using a crisscross pattern.

    Tighten
    Tighten the wheel bolts first pass to 63 N·m (46 lb ft).

    5.3. Use a torque wrench to final tighten the wheel bolts using a crisscross pattern.

    Tighten
    Tighten the wheel bolts final pass to 125 N·m (92 lb ft).

  9. Lower the vehicle from the hoist.
  10. Perform the vehicle alignment. Refer to Wheel Alignment Specifications in Wheel Alignment.