GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Rendezvous - AWD 🢒 Steering 🢒 Power Steering System 🢒 Power Steering Pump Replacement

Power Steering Pump Replacement LA1

Removal Procedure
  1. Remove the wiring harness from the wiring harness retainer located on the power steering pump reservoir.
  2. Remove the accessory drive belt from the power steering pump pulley. Refer to Drive Belt Replacement in Engine Mechanical - 3.4L.

    3. Object Number: 417974 Size: SH
  3. Remove the power steering pressure hose from the power steering pump.

    4. Object Number: 417981 Size: SH
  4. Remove the power steering return hose from the power steering pump.

    5. Object Number: 468952 Size: SH
  5. Remove the power steering pump mounting bolts from the power steering pump.
  6. Remove the power steering pump from the vehicle.
  7. Cap off the power steering pump and hoses in order to prevent contamination.
  8. Remove the power steering pump pulley from the pump. Refer to Power Steering Pump Pulley Replacement .
  9. Remove the power steering pump reservoir from the power steering pump. Refer to Power Steering Fluid Reservoir Replacement - Off Vehicle .

Installation Procedure
  1. Install the power steering pump reservoir to the power steering pump. Refer to Power Steering Fluid Reservoir Replacement - Off Vehicle .
  2. Install the power steering pump pulley to the power steering pump. Refer to Power Steering Pump Pulley Replacement .
  3. Uncap the power steering pump and hoses.

    4. Object Number: 468952 Size: SH
  4. Position the power steering pump to the vehicle.

    5. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the power steering pump mounting bolts.

    6. Tighten
    Tighten the power steering pump mounting bolts to 34 N·m (25 lb ft).

  6. Install the wiring harness to the wiring harness retainer located on the power steering pump reservoir.

    7. Object Number: 417981 Size: SH
  7. Install the power steering return hose to the power steering pump.

    8. Object Number: 417974 Size: SH
  8. Install the power steering pressure hose to the power steering pump.
  9. Install the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.4L.
  10. Bleed the power steering system. Refer to Power Steering System Bleeding .
  11. Inspect the system for leaks. Refer to Power Steering Fluid Leaks .

Power Steering Pump Replacement LY7

Removal Procedure
  1. Turn the steering wheel in order to move the front of the right wheel to the outboard most position in order to allow clearance to remove the power steering pump.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the front right wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Remove the accessory drive belt from the power steering pump pulley. Refer to Drive Belt Replacement in Engine Mechanical - 3.6L (LY7).
  5. Remove the right engine splash shield. Refer to Engine Splash Shield Replacement in Body Front End.
  6. Remove the right front drive shaft. Refer to Front Wheel Drive Shaft Replacement in Wheel Drive Shafts.
  7. Disconnect the power steering pump inlet hose from the power steering pump.
  8. Disconnect the power steering pressure pipe/hose from the power steering pump.

    9. Object Number: 1386752 Size: SH
  9. Remove the power steering pump mounting bolts.
  10. Remove the power steering pump from the vehicle.
  11. Cap off the power steering pump and hoses in order to prevent contamination.
  12. Remove the power steering pulley from the power steering pump. Refer to Power Steering Pump Pulley Replacement .

Installation Procedure
  1. Install the power steering pulley to the power steering pump. Refer to Power Steering Pump Pulley Replacement .
  2. Uncap off the power steering pump and hoses .
  3. Position the power steering pump to the vehicle.

    4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1386752 Size: SH
  4. Install the power steering pump mounting bolts. HAND TIGHTEN ONLY.
  5. Install the side power steering mounting bolt (3).

    6. Tighten
    Tighten the side power steering mounting bolt to 50 N·m (37 lb ft).

  6. Install the rear power steering mounting bolt (2).

    7. Tighten
    Tighten the rear power steering mount bolt to 50 N·m (37 lb ft).

  7. Connect the power steering pressure pipe/hose to the power steering pump.

    8. Tighten
    Tighten the power steering pressure pipe/hose fitting to 27 N·m (20 lb ft).

  8. Connect the power steering reservoir inlet hose to the power steering pump.
  9. Install the right front drive shaft. Refer to Front Wheel Drive Shaft Replacement in Wheel Drive Shafts.
  10. Install the right engine splash shield. Refer to Engine Splash Shield Replacement in Body Front End.
  11. Install the accessory drive belt to the power steering pump pulley. Refer to Drive Belt Replacement in Engine Mechanical - 3.6L (LY7).
  12. Install the front right wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  13. Lower the vehicle.
  14. Bleed the power steering system. Refer to Power Steering System Bleeding .
  15. Inspect the system for leaks. Refer to Power Steering Fluid Leaks .