GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Regal 🢒 Engine 🢒 Engine Cooling 🢒 Power Steering Pump Replacement

Power Steering Pump Replacement 3.1L

Removal Procedure
  1. Place a drain pan under the vehicle.
  2. Remove the coolant recovery reservoir.

    3. Move the reservoir aside. Refer to Coolant Recovery Reservoir Replacement in Engine Cooling.

  3. Remove the accessory drive belt at the pump. Refer to Drive Belt Replacement in Engine Mechanical -- 3.1L.
  4. Remove the ignition wiring harness near the pump.

    5. Object Number: 281721 Size: SH
  5. Disconnect the following components from the pump:
    6. • The power steering pressure line. Refer to Power Steering Hoses Replacement .
    • The power steering return hose. Refer to Power Steering Hoses Replacement .
  6. Remove the power steering pump mounting bolts from the power steering pump.
  7. Remove the power steering pump.
  8. Remove the power steering pump pulley from the pump. Refer to Power Steering Pump Pulley Replacement .
  9. Remove the reservoir from the power steering pump.

Installation Procedure

    Object Number: 281721 Size: SH
  1. Install the power steering reservoir to the power steering pump.
  2. Install the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement .
  3. Install the power steering pump to the engine.

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the power steering pump mounting bolts.

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

  5. Connect the following components to the pump:
    6. • The power steering pressure line. Refer to Power Steering Hoses Replacement .
    • The power steering return hose. Refer to Power Steering Hoses Replacement .
  6. Install the wiring harness at the power steering pump.
  7. Install the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical -- 3.1L.
  8. Install the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement in Engine Cooling.
  9. Fill the power steering system. Refer to Refilling the Power Steering System .
  10. Bleed the power steering system. Refer to Power Steering System Bleeding .
  11. Inspect the power steering system for leaks. Refer to Power Steering Gear and Pump Leaks .
  12. Remove the drain pan from under the vehicle.

Power Steering Pump Replacement 3.8L

Removal Procedure

    Object Number: 281720 Size: SH
  1. Remove the accessory drive belt. Refer to Drive Belt Replacement or Drive Belt Replacement in Engine Mechanical.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Place a drain pan under the vehicle.
  5. Remove the power steering pressure line from the power steering pump. Refer to Power Steering Hoses Replacement .
  6. Remove the power steering return hose from the power steering pump. Refer to Power Steering Hoses Replacement .

    7. Object Number: 282122 Size: SH
  7. Remove the power steering pump mounting bolts.
  8. Remove the power steering pump assembly.
  9. Remove the power steering pump reservoir from the power steering pump.
  10. Remove the power steering pulley from the power steering pump. Refer to Power Steering Pump Pulley Replacement .

Installation Procedure

    Object Number: 282122 Size: SH
  1. Install the power steering pump reservoir to the power steering pump.
  2. Install the power steering pulley to the power steering pump. Refer to Power Steering Pump Pulley Replacement .
  3. Install the power steering pump.

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the power steering pump mounting bolts.

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


    Object Number: 281720 Size: SH
  5. Install the power steering pressure line to the power steering pump. Refer to Power Steering Hoses Replacement .
  6. Install the power steering return hose to the power steering pump. Refer to Power Steering Hoses Replacement .
  7. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  8. Lower the vehicle.

    9. Install accessory drive belt. Refer to Drive Belt Replacement or Drive Belt Replacement in Engine Mechanical.

  9. Fill power steering system. Refer to Refilling the Power Steering System .
  10. Bleed the power steering system. Refer to Power Steering System Bleeding .
  11. Inspect the power steering system for leaks. Refer to Power Steering Gear and Pump Leaks .
  12. Remove the drain pan from under the vehicle.