GM Service Manual Online
For 1990-2009 cars only

Power Steering Pump Replacement 4.3L

Removal Procedure


    Object Number: 829013  Size: SH
  1. Place a drain pan below under the vehicle.
  2. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  4. Disconnect the reservoir outlet hose from the power steering pump through the wheel well.

  5. Object Number: 829005  Size: SH
  6. Disconnect the power steering gear outlet hose or cooler hose from the power steering pump through the wheel well.

  7. Object Number: 309298  Size: SH
  8. Disconnect the power brake booster inlet hose (2) from the power steering pump (1) through the wheel well.
  9. Cap the ends of the hose and the power steering pump in order to prevent the entrance of dirt.

  10. Object Number: 828989  Size: SH
  11. Remove the power steering pump mounting bolts and the nuts.
  12. Remove the power steering pump from the vehicle.

  13. Object Number: 828987  Size: SH
  14. Remove the power steering pump rear bracket mounting nuts.
  15. Remove the power steering pump rear bracket.

Installation Procedure


    Object Number: 828987  Size: SH
  1. Install the rear bracket to the power steering pump.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the power steering pump rear bracket mounting nuts and tighten to 50 N·m (37 lb ft).

  4. Object Number: 828989  Size: SH
  5. Install the power steering pump to the vehicle.
  6. Install the power steering pump front mounting bolts 50 N·m (37 lb ft).
  7. Install the power steering pump lower and rear nuts and tighten to 41 N·m (30 lb ft).
  8. Uncap the power steering hoses.

  9. Object Number: 309298  Size: SH

    Note: Route the power steering hoses in the same location in which they were removed.

  10. Install the power brake booster inlet hose (2) to the power steering pump through the wheel well and tighten 33 N·m (24 lb ft).

  11. Object Number: 829005  Size: SH
  12. Install the power steering gear outlet hose or cooler hose to the power steering pump through the wheel well.

  13. Object Number: 829013  Size: SH
  14. Install the reservoir outlet hose to the power steering pump through the wheel well.
  15. Install the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement.
  16. Bleed the system. Refer to Power Steering System Bleeding.
  17. Remove the drain pan from under the vehicle.

Power Steering Pump Replacement 4.8L, 5.3L, 6.0L

Removal Procedure


    Object Number: 828823  Size: SH
  1. Place a drain pan below under the vehicle.
  2. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement.
  3. Remove the lower intermediate shaft to the power steering gear retaining bolt.
  4. Disconnect the lower intermediate shaft from the power steering gear.

  5. Object Number: 829013  Size: SH
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  7. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation.
  8. Disconnect the reservoir outlet hose from the power steering pump through the wheel well.

  9. Object Number: 829005  Size: SH
  10. Disconnect the power steering gear outlet hose or cooler hose from the power steering pump through the wheel well.

  11. Object Number: 309298  Size: SH
  12. Disconnect the power brake booster inlet hose (2) from the power steering pump through the wheel well.
  13. Cap the ends of the hose and the pump in order to prevent the entrance of dirt.
  14. Lower the vehicle.

  15. Object Number: 828911  Size: SH
  16. Remove the rear power steering pump mounting bolt.
  17. Remove the front power steering pump mounting bolts.
  18. Remove the power steering pump from the vehicle.

  19. Object Number: 828903  Size: SH
  20. Remove the power steering pump rear bracket mounting nuts.
  21. Remove the power steering pump rear bracket from the power steering pump.

Installation Procedure


    Object Number: 828903  Size: SH
  1. Install the power steering pump rear bracket to the power steering pump.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the power steering pump rear bracket mounting nuts and tighten to 50 N·m (37 lb ft).

  4. Object Number: 828911  Size: SH
  5. Install the power steering pump to the vehicle.
  6. Install the front power steering pump mounting bolts and tighten to 50 N·m (37 lb ft).
  7. Install the rear power steering pump mounting bolt and tighten to 41 N·m (30 lb ft).
  8. Uncap the power steering hoses.

  9. Object Number: 309298  Size: SH
  10. Raise the vehicle.
  11. Note: Route the power steering hoses in the same location in which they were removed.

  12. Install the power brake booster inlet hose (2) to the power steering pump through the wheel well and tighten to 33 N·m (24 lb ft).

  13. Object Number: 829005  Size: SH
  14. Install the power steering gear outlet hose or cooler hose to the power steering pump through the wheel well.

  15. Object Number: 829013  Size: SH
  16. Install the reservoir outlet hose to the power steering pump through the wheel well.
  17. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation.
  18. Lower the vehicle.

  19. Object Number: 828823  Size: SH
  20. Connect the lower intermediate shaft to the power steering gear.
  21. Install the lower intermediate shaft to the power steering gear retaining bolt and tighten to 61 N·m (45 lb ft).
  22. Install the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement.
  23. Bleed the system. Refer to Power Steering System Bleeding.
  24. Remove the drain pan from under the vehicle.

Power Steering Pump Replacement 6.6L Diesel

Removal Procedure


    Object Number: 828823  Size: SH
  1. Place a drain pan below under the vehicle.
  2. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement.

  3. Object Number: 829013  Size: SH
  4. Disconnect the reservoir outlet hose from the power steering pump through the wheel well.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  6. Object Number: 829005  Size: SH
  7. Disconnect the power steering gear outlet hose or cooler hose at the power steering pump through the wheel well.
  8. Disconnect the power brake booster inlet hose from the power steering pump through the wheel well.
  9. Cap the ends of the hose and the pump in order to prevent the entrance of dirt.
  10. Remove the rear power steering pump bracket bolts from the bracket through the wheel well.
  11. Lower the vehicle.

  12. Object Number: 1656176  Size: SH
  13. Remove the power steering pump and bracket bolts (1).
  14. Remove the power steering pump bracket  (2) from the pump.

  15. Object Number: 1656177  Size: SH
  16. Remove the power steering pump (2) from the vehicle.

  17. Object Number: 1656178  Size: SH
  18. Remove the rear power steering pump bracket nuts (1) from the pump.
  19. Remove the rear power steering pump bracket  (2) from the pump (3).

Installation Procedure


    Object Number: 1656178  Size: SH
  1. Install the rear power steering pump bracket  (2) to the pump (3).
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the power steering pump rear bracket nuts (1) to the pump studs and tighten to 50 N·m (37 lb ft).

  4. Object Number: 1656177  Size: SH
  5. Position the power steering pump (2) to the vehicle.

  6. Object Number: 1656176  Size: SH
  7. Position the front power steering pump bracket (2) to the pump.
  8. Install the power steering pump bracket bolts (1) to the bracket and pump and tighten to 50 N·m (37 lb ft).

  9. Object Number: 829005  Size: SH
  10. Raise the vehicle.
  11. Install the power steering pump rear bracket bolts (1) to the bracket and tighten to 41 N·m (30 lb ft).
  12. Note: Route the power steering hoses in the same location in which they were removed.

  13. Install the power brake booster inlet hose (2) to the power steering pump through the wheel well and tighten to 33 N·m (24 lb ft).
  14. Install the power steering gear outlet hose or cooler hose to the power steering pump through the wheel well.

  15. Object Number: 829013  Size: SH
  16. Lower the vehicle.
  17. Install the reservoir outlet hose to the power steering pump through the wheel well.
  18. Install the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement.
  19. Bleed the system. Refer to Power Steering System Bleeding.
  20. Remove the drain pan from under the vehicle.