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. Siphon the power steering fluid from the fluid reservoir.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove the exhaust front pipe. Refer to Front Pipe Replacement.
  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. If equipped, remove the transfer case assembly. Refer to Transfer Case Assembly Replacement.

  6. Object Number: 1768736  Size: SH
  7. Loosen the fittings and remove the power steering gear hydraulic cylinder pipes from the power steering gear at the valve end.

  8. Object Number: 1768739  Size: SH
  9. Loosen the fittings and remove the power steering hydraulic cylinder pipes from the power steering gear at the cylinder end.
  10. Remove the steering gear hydraulic cylinder pipes from the vehicle.
  11. Discard the O-ring seals if necessary.

Installation Procedure

  1. Replace the O-ring seals if necessary.
  2. Caution: Refer to Using Proper Power Steering Fluid Caution in the Preface section.

  3. Lubricate the O-ring seals with power steering fluid.
  4. Place the O-ring seals into the housing.
  5. Position the steering gear hydraulic cylinder pipes on the steering gear.
  6. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1768736  Size: SH
  7. Install the power steering gear hydraulic cylinder pipes and the fittings to the power steering gear at the valve end and tighten to 19 N·m (14 lb ft).

  8. Object Number: 1768739  Size: SH
  9. Install the power steering gear hydraulic cylinder pipes and the fittings to the power steering gear at the cylinder end and tighten to 19 N·m (14 lb ft).
  10. If equipped, install the transfer case assembly. Refer to Transfer Case Assembly Replacement.
  11. 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.
  12. Install the exhaust front pipe. Refer to Front Pipe Replacement.
  13. Lower the vehicle.
  14. Fill the fluid reservoir with power steering fluid. Refer to Checking and Adding Power Steering Fluid.
  15. Caution: Refer to Air in the Power Steering System Caution in the Preface section.

  16. Inspect for leaks. If there are leaks, correct the cause of the leaks. Refer to Power Steering Fluid Leaks.
  17. Bleed the power steering system. Refer to Power Steering System Bleeding.