GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Note: The left-hand drive model is shown. The right-hand drive model is similar.

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.
  4. Remove the transaxle rear mount assembly. Refer to Transmission Rear Mount Replacement for the 6T40/6T45 automatic transmission or Transmission Rear Mount Replacement for the AF33-5 automatic transmission.
  5. Place drain pan under the vehicle in order to catch the power steering fluid.
  6. Caution: Refer to Power Steering Hose Disconnected Caution in the Preface section.


    Object Number: 1825816  Size: SH
  7. Remove the fitting (1) and the pressure pipe from the power steering gear inlet.
  8. Remove the fitting (2) and the power steering gear fluid outlet pipe.

  9. Object Number: 1768678  Size: SH
  10. Ask an assistant to rotate and hold the steering wheel in order for you to access the intermediate shaft pinch bolt.
  11. Disconnect the connector of the SSPS, if equipped.
  12. Scribe a mark on the stub shaft housing that lines up with a mark on the intermediate shaft lower coupling.
  13. Caution: Refer to Steering Column in Lock Position Caution in the Preface section.

  14. Remove the intermediate shaft pinch bolt.
  15. Ask an assistant to lock the steering column in the straight-ahead position.

  16. Object Number: 1768685  Size: SH
  17. Remove the outer tie rod nuts.
  18. Separate the tie rod ends from the steering knuckles.

  19. Object Number: 1768686  Size: SH
  20. Remove the left mounting bolt from the steering gear.

  21. Object Number: 1768690  Size: SH
  22. Remove the right mounting bolt from the steering gear.
  23. Remove the steering gear from the vehicle through the wheel housing area.

Installation Procedure

  1. Position the steering gear to the vehicle through the wheel housing area.

  2. Object Number: 1768692  Size: SH

    Note: Ensure the steering column and the steering gear are in the straight-ahead position. Install the steering gear from below the vehicle.

  3. Align the marks on the shafts in order to ensure proper positioning.
  4. Seat the stub shaft into the intermediate shaft.
  5. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1768690  Size: SH
  6. Install the left and the right mounting bracket bolts to the steering gear and tighten to 110 N·m (81 lb ft).

  7. Object Number: 1768685  Size: SH
  8. Install the tie rod ends to the steering knuckles.
  9. Install the nuts to the outer tie rod ends and tighten to 50 N·m (37 lb ft).

  10. Object Number: 1768678  Size: SH
  11. Ask an assistant to rotate and hold the steering wheel in order for you to access the intermediate shaft pinch bolt.
  12. Install the lower intermediate shaft pinch bolt and tighten to 34 N·m (25 lb ft).
  13. Verify the steering column and the steering gear are in the straight-ahead position.
  14. Caution: Refer to Installing Hoses without Twists or Bends Caution in the Preface section.


    Object Number: 1825816  Size: SH
  15. Install the pressure pipe and the fitting (1) to the power steering gear fluid inlet and tighten to 28 N·m (21 lb ft).
  16. Install the power steering gear fluid outlet pipe and the fitting (2) and tighten to 28 N·m (21 lb ft).
  17. Install the transaxle rear mount assembly. Refer to Transmission Rear Mount Replacement for the 6T40/6T45 automatic transmission or Transmission Rear Mount Replacement for the AF33-5 automatic transmission.
  18. Install the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.
  19. Lower the vehicle.
  20. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  21. Caution: Refer to Using Proper Power Steering Fluid Caution in the Preface section.

  22. Refill the power steering system. Refer to Checking and Adding Power Steering Fluid.
  23. Caution: Refer to Air in the Power Steering System Caution in the Preface section.

  24. Bleed the power steering system. Refer to Power Steering System Bleeding.
  25. Inspect the power steering system for leaks. If there are leaks, correct the cause of the leaks. Refer to Power Steering Fluid Leaks.
  26. Inspect the position of the steering system. Refer to Straight Ahead Inspection.