GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1224931  Size: SH
  1. Disconnect the pressure line pipe fitting from the outlet connection on the power steering pump (1).

  2. Object Number: 1224932  Size: SH
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in the General Information section.
  4. Loosen the clamp nut of the pressure line pipe (1).

  5. Object Number: 1224934  Size: SH
  6. Loosen the clamp nut of the pressure line pipe (2).
  7. Loosen the coupling nut which is connected with the pressure line pipe (1).

  8. Object Number: 1224935  Size: SH
  9. Loosen the clamp nut of the pressure line pipe (1).

  10. Object Number: 1224936  Size: SH
  11. Disconnect the return line pipe fitting from the power steering gear (2).
  12. Disconnect the pressure line pipe from the power steering gear (1).
  13. Remove the power steering pump pressure line.
  14. Plug the openings in the power steering pump and the steering gear to prevent fluid loss and contamination.

Installation Procedure


    Object Number: 1224938  Size: SH
  1. Install the power steering pump pressure line and the supply line.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Connect the pressure line inlet pipe to the steering gear with the fitting (1).
  4. Tighten
    Tighten the steering gear inlet pipe fitting to 21-35 N·m (16-26 lb ft).


    Object Number: 1224938  Size: SH
  5. Connect the return line pipe to the steering gear (2).
  6. Tighten
    Tighten the return line pipe fitting to 21-35 N·m (16-26 lb ft).


    Object Number: 1224939  Size: SH
  7. Connect the pressure lines with couplings (2).
  8. Tighten
    Tighten the coupling which is connected with the pressure line pipe to 36-50 N·m (27-37 lb ft).


    Object Number: 1224941  Size: SH
  9. Connect the pressure line clamp nut, gear-side (1).
  10. Tighten
    Tighten the clamp nut (gear-side) to 7-9 N·m (62-80 lb in).


    Object Number: 1224942  Size: SH
  11. Connect the pressure line clamp nut, pump-side (1).
  12. Tighten
    Tighten the clamp nut (pump-side) to 7-9 N·m (62-80 lb ft).


    Object Number: 1224945  Size: SH
  13. Connect the pressure line pipe to the outlet connection (1) on the power steering pump.
  14. Tighten
    Tighten the power steering pump outlet pipe fitting to 21-35 N·m (16-26 lb ft).

  15. Lower the vehicle.
  16. Notice: Refer to Power Steering Required Fluid Notice in the Preface section.

  17. Fill the fluid reservoir with power steering fluid.
  18. Inspect for leaks. If there are leaks, correct the cause of the leaks and bleed system. Refer to Power Steering System Bleeding .