Water Pump: Service and Repair

Water Pump-3.0L (4V)

Removal
1. Raise and support the vehicle.
2. Remove the splash shield.
3. Drain the cooling system.





4. Disconnect the heater water hose from the bottom of the water pump.





5. Remove the radiator lower tube bolt.
6. Lower the vehicle.
7. Remove the air cleaner assembly.
8. Remove the battery and the battery tray.
9. Remove the water pump belt.





10. Remove the radiator upper front tube bolt.





11. Disconnect the upper radiator hose, the heater water hose and the thermostat housing hose.





12. Disconnect the Engine Coolant Temperature (ECT) sensor and the water temperature sender electrical connectors.





13. Remove the radiator bypass hose assembly.





14. Remove the three bolts, and detach the water pump.





15. Disconnect the connector hose, and remove the water pump.

Installation





1. Connect the connector hose to the water pump.





2. Position the water pump and install the mounting bolts. Tighten the bolts in two stages:
^ Stage 1: Tighten to 10 Nm (89 in. lbs.).
^ Stage 2: Tighten an additional 90 degrees.





3. Install the radiator bypass hose assembly.





4. Connect the Engine Coolant Temperature (ECT) sender and the water temperature sender electrical connectors.





5. Connect the upper radiator hose, the heater water hose and thermostat housing the hose.





6. Install the radiator upper front cooling tube bolt.
7. Install the water pump belt.
8. Install the battery and the battery tray.
9. Install the air cleaner assembly.
10. Raise and support the vehicle.





11. Install the lower cooling tube bolt.





12. Connect the heater water hose to the bottom of the water pump.
13. Install the splash shield.
14. Fill the engine cooling system.