GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 GTO 🢒 Steering 🢒 Power Steering System 🢒 Power Steering Pump Replacement

Removal Procedure
  1. Move the intake air duct away from the pump. Refer to Air Cleaner Assembly Replacement in Engine Controls - 5.7L.
  2. Remove the engine accessory drive belt. Refer to Drive Belt Replacement - Accessory in Engine Mechanical - 5.7L.
  3. Place a drain pan below the vehicle and remove the power steering fluid reservoir. Refer to Remote Power Steering Fluid Reservoir Replacement .

    4. Notice: Refer to Power Steering Hose Disconnected Notice in the Preface section.


    Object Number: 1382095 Size: SH
  4. Remove the power steering gear inlet pipe and the flare nut (2) from the pump.
  5. Remove and discard the O-ring (3) from the high pressure port on the pump.
  6. Loosen the hose clamp (4) on the reservoir outlet hose.
  7. Remove the reservoir outlet hose (1) from the pump.
  8. Remove the 2 bolts that retain the pump to the cylinder head.
  9. Remove the pump from the cylinder head.

Installation Procedure

    Object Number: 1382107 Size: SH
  1. Install the power steering pump (1) to the cylinder head.

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

  2. Install the 2 bolts (2, 3) in order to retain the pump to the cylinder head.

    3. Tighten
    Tighten the 2 bolts to 28 N·m (21 lb ft).


    Object Number: 1382095 Size: SH
  3. Apply GM Goodwrench Automatic Transmission Fluid DEXRON®-III, GM P/N 12378470, or the equivalent ATF, in order to lubricate a NEW O-ring (3) for the high pressure port.

    4. Notice: Refer to Installing Hoses without Twists or Bends Notice in the Preface section.

  4. Install the power steering gear inlet pipe and the NEW O-ring to the high pressure port on the pump.

    5. Tighten
    Tighten the flare nut to 30 N·m (22 lb ft).

  5. Install the reservoir outlet hose (1) to the pump. Install the hose clamp (4).
  6. Install the power steering fluid reservoir. Refer to Remote Power Steering Fluid Reservoir Replacement .
  7. Install the engine accessory drive belt. Refer to Drive Belt Replacement - Accessory in Engine Mechanical - 5.7L.
  8. Install the intake components. Refer to Air Cleaner Assembly Replacement in Engine Controls - 5.7L.
  9. Remove the drain pan.

    10. Notice: Refer to Using Proper Power Steering Fluid Notice in the Preface section.

  10. Fill the power steering fluid reservoir. Refer to Checking and Adding Power Steering Fluid .

    11. Notice: Refer to Air in the Power Steering System Notice in the Preface section.

  11. Bleed the power steering system. Refer to Power Steering System Bleeding .