GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2002 🢒 Intrigue 🢒 Preface 🢒 Cautions and Notices 🢒 Water Pump Replacement

Removal Procedure

    Object Number: 277030 Size: SH
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the surge tank outlet hose. Refer to Radiator Surge Tank Outlet Hose/Pipe Replacement .
  3. Loosen the water pump pulley bolts.
  4. Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.5L.
  5. Remove the idler pulley bolt and the pulley.

    6. Object Number: 293989 Size: SH
  6. Remove the water pump pulley bolts.
  7. Remove the water pump pulley.

    8. Object Number: 293992 Size: SH
  8. Remove the long water pump bolts (1).

    9. Object Number: 293994 Size: SH
  9. Remove the short water pump bolts (1).

    10. Object Number: 293990 Size: SH
  10. Remove the water pump.
  11. Remove the water pump gasket. Discard the gasket.
  12. Clean and inspect the water pump gasket mating surfaces.
  13. Clean and inspect the water pump, if necessary. Refer to Water Pump Cleaning and Inspection in Engine Mechanical - 3.5L Unit Repair.

Installation Procedure

    Object Number: 293990 Size: SH
  1. Install the new water pump gasket.
  2. Install the water pump.
  3. Loosely install the long water pump bolts.

    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. Loosely install the short water pump bolts.

    5. Tighten
    Tighten the bolts to 14 N·m (124 lb in).

  5. Install the water pump pulley.
  6. Install the water pump pulley bolts.

    7. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

  7. Install the idler pulley and the bolt.

    8. Tighten
    Tighten the bolt to 50 N·m (37 lb ft).

  8. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.5L.
  9. Install the surge tank outlet hose. Refer to Radiator Surge Tank Outlet Hose/Pipe Replacement .
  10. Fill the cooling system. Refer to Cooling System Draining and Filling .