GM Service Manual Online
For 1990-2009 cars only
  1. In order to prevent bodily injury, apply the parking brake and block the drive wheels before performing this procedure
  2. Put the transmission selector lever in the park position or neutral.
  3. Set the parking brake.
  4. Block the wheels.
  5. Start the vehicle.
  6. Turn the steering wheel 1/4 turn back and fourth.
  7. Inspect the pivot joints for looseness.
  8. Replace any damaged or worn pivot joints.