GM Service Manual Online
For 1990-2009 cars only

Power Steering Pump Replacement LY7

Removal Procedure

  1. Remove the front air deflector. Refer to Front Air Deflector Replacement.
  2. Remove the power steering pulley. Refer to Power Steering Pump Pulley Replacement.
  3. Place a drain pan under the vehicle.
  4. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement.

  5. Object Number: 1300041  Size: SH
  6. Disconnect the power steering reservoir outlet hose from the power steering pump.
  7. Disconnect the power steering pressure hose from the power steering pump.

  8. Object Number: 888286  Size: SH
  9. Remove the power steering bracket to the engine mounting bolts  (1, 2, and 3).
  10. Remove the power steering pump with bracket from the vehicle.
  11. Remove the power steering pump bracket from the power steering pump. Refer to Power Steering Pump Bracket Replacement.

Installation Procedure

  1. Install the power steering pump to the power steering pump bracket. Refer to Power Steering Pump Bracket Replacement.

  2. Object Number: 888286  Size: SH
  3. Install the power steering pump with bracket to the vehicle.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the power steering pump bracket to the engine mounting bolts (1-3) and tighten to 50 N·m (37 lb ft).
  6. Connect the power steering pressure hose to the power steering pump.

  7. Object Number: 1300041  Size: SH
  8. Connect the power steering reservoir outlet hose to the power steering pump.
  9. Remove the drain pan from under the vehicle.
  10. Install the power steering pulley. Refer to Power Steering Pump Pulley Replacement.
  11. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement.
  12. Bleed the power steering system. Refer to Power Steering System Bleeding.
  13. Install the front air deflector. Refer to Front Air Deflector Replacement.

Power Steering Pump Replacement LH2

Removal Procedure

  1. Remove the front air deflector. Refer to Front Air Deflector Replacement.
  2. Remove the power steering pulley. Refer to Power Steering Pump Pulley Replacement.
  3. Place a drain pan under the vehicle.
  4. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.

  5. Object Number: 888270  Size: SH
  6. Loosen the hose clamp and remove the power steering reservoir outlet hose from the power steering pump.
  7. Remove the power steering gear inlet pipe clip bracket nut from the pump.
  8. Reposition the pipe clip bracket.

  9. Object Number: 1301852  Size: SH
  10. Loosen the fitting and remove the power steering gear inlet hose from the power steering pump.

  11. Object Number: 888275  Size: SH
  12. Remove the power steering pump to engine mounting bolt.

  13. Object Number: 888277  Size: SH
  14. Remove the power steering bracket to engine bolts.
  15. Remove the power steering pump with the bracket from the vehicle.
  16. Remove the power steering pump from the power steering bracket. Refer to Power Steering Pump Bracket Replacement.

Installation Procedure

  1. Install the power steering pump to the power steering bracket. Refer to Power Steering Pump Bracket Replacement.
  2. Install the power steering pump with the bracket to the vehicle.
  3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 888277  Size: SH
  4. Install the power steering bracket to engine bolts and tighten to 50 N·m (37 lb ft).

  5. Object Number: 888275  Size: SH
  6. Install the power steering pump to engine mounting bolt and tighten to 50 N·m (37 lb ft).

  7. Object Number: 1301852  Size: SH
  8. Install the power steering gear inlet hose to the power steering pump. Tighten the fitting to 40 N·m (30 lb ft).
  9. Install the pipe clip bracket to the pump.
  10. Install the power steering gear inlet pipe clip bracket nut and tighten to 9 N·m (80 lb in).

  11. Object Number: 888270  Size: SH
  12. Install the power steering reservoir outlet hose to the power steering pump with the hose clamp.
  13. Remove the drain pan from under the vehicle.
  14. Install the power steering pulley. Refer to Power Steering Pump Pulley Replacement.
  15. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  16. Bleed the power steering system. Refer to Power Steering System Bleeding.
  17. Install the front air deflector. Refer to Front Air Deflector Replacement.