GM Service Manual Online
For 1990-2009 cars only

Water Pump Replacement 2.2L - L61

Tools Required

J 43651 Water Pump Holding Tool

Removal Procedure

  1. If equipped with an automatic transmission, remove the exhaust manifold. Refer to Exhaust Manifold Removal in Engine Mechanical - 2.2L (L61).
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Remove the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  5. Remove the front fender liner. Refer to Front Fender Liner Replacement in Body Front End.

  6. Object Number: 758438  Size: SH
  7. Remove the access plate on the water pump sprocket from the timing cover.

  8. Object Number: 789912  Size: SH
  9. Install J 43651 to the water pump sprocket.
  10. Use the access plate bolts to secure J 43651 to the engine front cover.
  11. Remove the bolts that secure the sprocket to the water pump.

  12. Object Number: 792156  Size: SH
  13. Remove the bolt (1) that secures the engine block to the water pump.
  14. Remove the bolt (2) that secures the engine front cover to the water pump.

  15. Object Number: 789956  Size: SH
  16. Remove the feed pipe that joins the thermostat housing to the water pump.

  17. Object Number: 792143  Size: SH
  18. Remove the 2 bolts that secure the water pump to the engine block.
  19. Remove the water pump.

Installation Procedure


    Object Number: 792143  Size: SH
  1. Use a threaded stud in the hub to align the hub to the water pump sprocket.
  2. Install the water pump.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the 2  bolts that secure the water pump to the engine block.
  5. Tighten
    Tighten the bolts to 20 N·m (15 lb ft).


    Object Number: 789956  Size: SH
  6. Install the feed pipe that joins the thermostat housing to the water pump. Refer to Engine Coolant Thermostat Replacement .

  7. Object Number: 792156  Size: SH
  8. Install the engine front cover bolt (2) and the bolt (1) that secures the engine block to the water pump.
  9. Tighten
    Tighten the bolts to 20 N·m (15 lb ft).

  10. Install 2 of the bolts that secure the water pump sprocket to the water pump.
  11. Remove the threaded stud.
  12. Install the last bolt.
  13. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 789912  Size: SH
  14. Remove J 43651 .

  15. Object Number: 758438  Size: SH
  16. Install the access plate on the water pump sprocket to the timing cover.
  17. Install the bolts that secure the access plate to the timing cover.
  18. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

  19. Install the front fender liner. Refer to Front Fender Liner Replacement in Body Front End.
  20. Install the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  21. If equipped with an automatic transmission, install the exhaust manifold. Refer to Exhaust Manifold Installation in Engine Mechanical - 2.2L (L61).
  22. Fill the cooling system. Refer to Cooling System Draining and Filling .