GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1998 🢒 Grand Prix 🢒 Steering 🢒 Power Steering System 🢒 Power Steering Pump Replacement

Power Steering Pump Replacement 3.1L

Removal Procedure
  1. Remove the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement in Engine Cooling.
  2. Remove the accessory drive belt from the power steering pump pulley. Refer to Drive Belt Replacement in Engine Mechanical-3.1L.
  3. Remove the ignition control wiring harness near the power steering pump.
  4. Remove the power steering pressure line from the power steering pump. Refer to Power Steering Pressure Pipe/Hose Replacement .

    5. Object Number: 281721 Size: SH
  5. Remove the power steering return hose from the power steering pump. Refer to Power Steering Return Hose Replacement .
  6. Remove the power steering pump mounting bolts.
  7. Remove the power steering pump.
  8. Remove the power steering pump pulley from the power steering pump. Refer to Power Steering Pump Pulley Replacement .
  9. Remove the power steering reservoir from the power steering pump.

Installation Procedure
  1. Install the power steering reservoir to the power steering pump.
  2. Install the power steering pump pulley to the power steering pump. Refer to Power Steering Pump Pulley Replacement .
  3. Position 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. Install the power steering pressure line to the power steering pump. Refer to Power Steering Pressure Pipe/Hose Replacement .

    6. Object Number: 281721 Size: SH
  6. Install the power steering return hose to the power steering pump. Refer to Power Steering Return Hose Replacement .
  7. Install the ignition control wiring harness to the power steering pump.
  8. Install the accessory drive belt to the power steering pump pulley. Refer to Drive Belt Replacement in Engine Mechanical-3.1L.
  9. Install the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement in Engine Cooling.
  10. Fill the power steering system. Refer to Refilling the Power Steering System .
  11. Bleed the power steering system. Refer to Power Steering System Bleeding .
  12. Inspect the power steering system for leaks. Refer to Power Steering Gear and Pump Leaks .

Power Steering Pump Replacement 3.8L

Removal Procedure
  1. Remove the accessary drive belt. Refer to Drive Belt Replacement or Drive Belt Replacement in Engine Mechanical-3.8L.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    3. Object Number: 294335 Size: SH
  3. Remove the power steering pressure line from the power steering pump. Power Steering Pressure Pipe/Hose Replacement .
  4. Remove the power steering return hose from the power steering pump. Refer to Power Steering Return Hose Replacement .

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

Installation Procedure
  1. Install the power steering pump pulley to the power steering pump. Refer to Power Steering Pump Pulley Replacement .
  2. Install the power steering reservoir to the power steering pump.
  3. Position the power steering pump to the engine.

    4. Object Number: 282122 Size: SH

    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: 294335 Size: SH
  5. Install the power steering pressure line to the power steering pump. Power Steering Pressure Pipe/Hose Replacement .
  6. Install the power steering return hose to the power steering pump. Power Steering Return Hose Replacement .
  7. Lower the vehicle.
  8. Install the accessory drive belt. Refer to Drive Belt Replacement or Drive Belt Replacement in Engine Mechanical-3.8L.
  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 .