Water Pump Replacement 3.4L

1. Drain the cooling system. Refer to Cooling System Draining and Filling .
2. Loosen the water pump pulley bolts.
3. Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical-3.1L.



4. Remove the water pump pulley bolts and pulley.
5. Remove the water pump bolts, pump and gasket.
6. Clean the water pump mating surfaces.

1. Install the water pump gasket and pump (1).

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.

2. Install the water pump bolts.

Tighten
Tighten the bolts to 10 N·m (89 lb in).




3. Install the water pump pulley and bolt until snug.
4. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical-3.1L.
5. Tighten the water pump pulley bolts.

Tighten
Tighten the bolts to 25 N·m (18 lb ft).

6. Fill the cooling system. Refer to Cooling System Draining and Filling .
7. Inspect for leaks.

Water Pump Replacement 2.2L - L61

Tools Required

J 43651 Water Pump Holding Tool

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. Remove the access plate on the water pump sprocket from the timing cover.



7. Install J 43651 to the water pump sprocket.
8. Use the access plate bolts to secure J 43651 to the engine front cover.
9. Remove the bolts that secure the sprocket to the water pump.



10. Remove the bolt (1) that secures the engine block to the water pump.
11. Remove the bolt (2) that secures the engine front cover to the water pump.



12. Remove the feed pipe that joins the thermostat housing to the water pump.



13. Remove the 2 bolts that secure the water pump to the engine block.
14. Remove the water pump.

1. Use a threaded stud in the hub to align the hub to the water pump sprocket.
2. Install the water pump.

Notice: Refer to Fastener Notice in the Preface section.

3. Install the 2  bolts that secure the water pump to the engine block.

Tighten
Tighten the bolts to 20 N·m (15 lb ft).




4. Install the feed pipe that joins the thermostat housing to the water pump. Refer to Engine Coolant Thermostat Replacement .



5. Install the engine front cover bolt (2) and the bolt (1) that secures the engine block to the water pump.

Tighten
Tighten the bolts to 20 N·m (15 lb ft).

6. Install 2 of the bolts that secure the water pump sprocket to the water pump.
7. Remove the threaded stud.
8. Install the last bolt.

Tighten
Tighten the bolts to 10 N·m (89 lb in).




9. Remove J 43651 .



10. Install the access plate on the water pump sprocket to the timing cover.
11. Install the bolts that secure the access plate to the timing cover.

Tighten
Tighten the bolts to 10 N·m (89 lb in).

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