GM Service Manual Online
For 1990-2009 cars only

Power Steering Pump Hoses and Pipes Replacement Gasoline Engine

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. Caution: Refer to Power Steering Hose Disconnected Caution in the Preface section.


    Object Number: 1290079  Size: SH
  3. Loosen the fitting and remove the pressure pipe from the power steering pump outlet.
  4. Loosen the hose clamp and remove the supply hose from the power steering pump inlet.

  5. Object Number: 1290080  Size: SH
  6. Loosen the hose clamps and remove the hoses from the reservoir.

  7. Object Number: 1290081  Size: SH
  8. Remove the retaining clip bolt located above the generator and position the clip away from the pressure pipe.
  9. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  10. Object Number: 1290083  Size: SH
  11. Loosen the fitting and remove the pressure pipe from the power steering gear inlet.
  12. Loosen the fitting and remove the return pipe from the power steering gear outlet.

  13. Object Number: 1290084  Size: SH
  14. Remove the bolt from the return pipe clip on the crossmember.

  15. Object Number: 1290085  Size: SH
  16. Remove the bolts from each of the 2 clips on the radiator.
  17. Remove all of the power steering hoses and pipes from the vehicle.

Installation Procedure

    Caution: Refer to Installing Hoses without Twists or Bends Caution in the Preface section.


    Object Number: 1290085  Size: SH
  1. Route the pressure pipe from the power steering pump to the power steering gear.
  2. Route the return pipe from the fluid reservoir to the power steering gear.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the 2 return pipe clip bolts on the radiator and tighten to 8 N·m (71 lb in).

  5. Object Number: 1290084  Size: SH
  6. Install the return pipe into the clip on the crossmember.
  7. Install the return pipe clip bolt and tighten to 8 N·m (71 lb in).

  8. Object Number: 1290083  Size: SH
  9. Install the return pipe and the fitting to the power steering gear outlet, tighten to 28 N·m (21 lb ft).
  10. Install the pressure pipe and the fitting to the power steering gear inlet, tighten to 28 N·m (21 lb ft)
  11. Lower the vehicle.

  12. Object Number: 1290081  Size: SH
  13. Install the pressure pipe to the retaining clip located above the alternator.
  14. Install the pressure pipe retaining clip bolt and tighten to 8 N·m (71 lb in).

  15. Object Number: 1290080  Size: SH
  16. Install the hoses and secure the hose clamps to the reservoir.

  17. Object Number: 1290079  Size: SH
  18. Install the supply hose and secure the hose clamp to the power steering pump inlet.
  19. Install the pressure pipe and the fitting to the power steering pump outlet, tighten to 28 N·m (21 lb ft).
  20. Caution: Refer to Using Proper Power Steering Fluid Caution in the Preface section.

  21. Fill the reservoir with power steering fluid. Refer to Checking and Adding Power Steering Fluid.
  22. Caution: Refer to Air in the Power Steering System Caution in the Preface section.

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

Power Steering Pump Hoses and Pipes Replacement Diesel Engine

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. Remove the engine beauty cover. Refer to Engine Cover Replacement.
  3. Caution: Refer to Power Steering Hose Disconnected Caution in the Preface section.


    Object Number: 1874324  Size: SH
  4. Loosen the fitting (2) and remove the pressure pipe (1) from the power steering pump outlet.
  5. Loosen the hose clamp (4) and remove the supply hose (3) from the power steering pump inlet.

  6. Object Number: 1874321  Size: SH
  7. Loosen the hose clamps (3,5) and remove the hoses (4,6) from the reservoir.

  8. Object Number: 1874327  Size: SH
  9. Remove the retaining clip bolt (1) located above the generator and position the clip away from the pressure pipe.
  10. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  11. Object Number: 1290083  Size: SH
  12. Loosen the fitting and remove the pressure pipe from the power steering gear inlet.
  13. Loosen the fitting and remove the return pipe from the power steering gear outlet.

  14. Object Number: 1874329  Size: SH
  15. Remove the power steering gear left mounting bracket upper nut (1).
  16. Remove the pressure pipe from the clip.
  17. Remove all of the power steering hoses and pipes from the vehicle.

Installation Procedure

    Caution: Refer to Installing Hoses without Twists or Bends Caution in the Preface section.


    Object Number: 1874329  Size: SH
  1. Route the pressure pipe from the power steering pump to the power steering gear.
  2. Route the return pipe from the fluid reservoir to the power steering gear.
  3. Install the pressure pipe to the clip on the power steering gear mounting bracket.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the power steering gear left mounting bracket upper nut (1) and tighten to 60 N·m (44 lb ft).

  6. Object Number: 1290083  Size: SH
  7. Install the return pipe and the fitting to the power steering gear outlet, tighten to 28 N·m (21 lb ft).
  8. Install the pressure pipe and the fitting to the power steering gear inlet, tighten to 28 N·m (21 lb ft)
  9. Lower the vehicle.

  10. Object Number: 1874327  Size: SH
  11. Install the pressure pipe to the retaining clip (2) located above the alternator.
  12. Install the pressure pipe retaining clip bolt (1) and tighten to 8 N·m (71 lb in).

  13. Object Number: 1874321  Size: SH
  14. Install the hoses (4, 6) and secure the hose clamps (3, 5) to the reservoir.

  15. Object Number: 1874324  Size: SH
  16. Install the supply hose (3) and secure the hose clamp (4) to the power steering pump inlet.
  17. Install the pressure pipe (1) and the fitting (2) to the power steering pump outlet, tighten to 28 N·m (21 lb ft)
  18. Install the engine beauty cover. Refer to Engine Cover Replacement.
  19. Caution: Refer to Using Proper Power Steering Fluid Caution in the Preface section.

  20. Fill the reservoir with power steering fluid. Refer to Checking and Adding Power Steering Fluid.
  21. Caution: Refer to Air in the Power Steering System Caution in the Preface section.

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