GM Service Manual Online
For 1990-2009 cars only

Power Steering Gear Inlet Pipe/Hose Replacement LS2

Removal Procedure

  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  2. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory .
  3. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement .
  4. Remove the power steering gear inlet pipe routing bolt from the generator.

  5. Object Number: 1786677  Size: SH
  6. Disconnect the power steering gear inlet pipe (1) from the power steering pump (2).
  7. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  8. Remove the front air deflector. Refer to Front Air Deflector Replacement .

  9. Object Number: 1786589  Size: SH
  10. Remove the power steering gear inlet pipe routing bolt (1) at the cradle.

  11. Object Number: 1400682  Size: SH
  12. Disconnect the power steering gear inlet pipe from the power steering gear. Discard the O-ring seal.
  13. Remove the power steering gear inlet pipe from the vehicle.

Installation Procedure

    Important: Loosely install the pressure line and retainers before tightening.

  1. Position the power steering gear inlet pipe to the vehicle.

  2. Object Number: 1786589  Size: SH
  3. Loosely install the power steering gear inlet pipe routing bolt (1) to the cradle.

  4. Object Number: 1400684  Size: SH

    Important: Install a new O-ring seal on the power steering gear inlet pipe before installing it to the power steering gear.

  5. Loosely connect the power steering gear inlet pipe to the power steering gear.
  6. Lower the vehicle.
  7. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1786677  Size: SH

    Important: When installing the power steering gear inlet pipe into the power steering pump a distinct click should be heard when the pipe is fully seated.

  8. Connect the power steering gear inlet pipe (1) to the power steering pump (2).
  9. Tighten
    Tighten the power steering gear inlet pipe fitting at the pump to 40 N·m (30 lb ft).

  10. Install the power steering gear inlet pipe routing bolt to the generator.
  11. Tighten

        • Tighten the power steering gear inlet routing bolt at the generator to 9 N·m (80 lb in).
        • Tighten the power steering gear inlet routing bolt at the cradle to 9 N·m (80 lb in).
        • Tighten the power steering gear inlet pipe to gear fitting to 30 N·m (22 lb ft).
  12. Install the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement .
  13. Install the accessory drive belt. Refer to Drive Belt Replacement - Accessory .
  14. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  15. Fill and bleed the power steering system. Refer to Power Steering System Bleeding .
  16. Install the front air deflector. Refer to Front Air Deflector Replacement .

Power Steering Gear Inlet Pipe/Hose Replacement LP1, LY7

Removal Procedure

  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement for the 2.8L (LP1) engine or Fuel Injector Sight Shield Replacement for the 3.6L (LY7) engine.
  2. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement for the 2.8L (LP1) engine or Air Cleaner Inlet Duct Replacement for the 3.6L (LY7) engine.
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
  4. Remove both front wheel and tire assemblies. Refer to Tire and Wheel Removal and Installation.
  5. Remove the front air deflector. Refer to Front Air Deflector Replacement.

  6. Object Number: 1791485  Size: SH
  7. Remove the power steering gear inlet pipe/hose routing bolt from the A/C compressor bracket.

  8. Object Number: 1791496  Size: SH
  9. Remove the power steering gear inlet pipe/hose routing bolt from the engine cradle.

  10. Object Number: 1791703  Size: SH
  11. Remove the power steering gear inlet pipe/hose routing bolt from the power steering gear.
  12. Place a drain pan under the vehicle.

  13. Object Number: 1791774  Size: SH
  14. Disconnect the power steering gear inlet pipe/hose (1) from the power steering gear (2). Discard the O-ring seal (3).

  15. Object Number: 1791741  Size: SH
  16. Disconnect the power steering gear inlet pipe/hose (1) from the power steering pump (2).
  17. Remove the power steering gear inlet pipe/hose from the vehicle.

Installation Procedure

  1. Position the power steering gear inlet pipe/hose to the vehicle.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1791703  Size: SH
  3. Install the power steering gear inlet pipe/hose routing bolt to the power steering gear.
  4. Tighten
    Tighten the power steering gear inlet pipe/hose to power steering gear routing bolt to 9 N·m (80 lb in).


    Object Number: 1791496  Size: SH
  5. Install the power steering gear inlet pipe/hose routing bolt to the engine cradle.
  6. Tighten
    Tighten the power steering gear inlet pipe/hose to engine cradle routing bolt to 9 N·m (80 lb in).


    Object Number: 1791485  Size: SH
  7. Install the power steering gear inlet pipe/hose routing bolt to the A/C compressor bracket.
  8. Tighten
    Tighten the power steering gear inlet pipe/hose to A/C compressor bracket routing bolt to 9 N·m (80 lb in).


    Object Number: 1791774  Size: SH

    Important: Install a new O-ring seal (3) on the power steering gear inlet pipe/hose prior to installation.

  9. Connect the power steering gear inlet pipe/hose (1) to the power steering gear (2).
  10. Tighten
    Tighten the power steering gear inlet pipe/hose fitting to 30 N·m (22 lb ft).


    Object Number: 1791741  Size: SH
  11. Connect the power steering gear inlet pipe/hose (1) to the power steering pump (2).
  12. Tighten
    Tighten the power steering gear inlet pipe/hose to power steering pump fitting to 40 N·m (30 lb ft).

  13. Fill and bleed the power steering system. Refer to Power Steering System Bleeding.
  14. Remove the drain pan from under the vehicle.
  15. Install the front air deflector. Refer to Front Air Deflector Replacement.
  16. Install both front wheel and tire assemblies. Refer to Tire and Wheel Removal and Installation.
  17. Lower the vehicle.
  18. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement for the 2.8L (LP1) engine or Air Cleaner Inlet Duct Replacement for the 3.6L (LY7) engine.
  19. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement for the 2.8L (LP1) engine or Fuel Injector Sight Shield Replacement for the 3.6L (LY7) engine.