Water Pump: Service and Repair

Removal Procedure

Caution: Refer to Battery Disconnect Caution in Service Precautions.





1. Disconnect the negative battery cable.
2. Disconnect the intake air temperature (IAT) sensor connector.
3. Disconnect the mass air flow (MAF) sensor connector.





4. Remove the air intake duct/cleaner assembly.
5. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory.
6. Drain the cooling system. Refer to Draining and Filling Cooling System.





7. Remove the radiator inlet and outlet hose clamps from the water pump.
8. Remove the radiator inlet and outlet hoses from the water pump.





9. Remove the heater hose clamps from the water pump.
10. Remove the heater hoses from the water pump.





11. Remove the six water pump retaining bolts from the engine block.
12. Remove the water pump.

Installation Procedure





1. Clean the water pump gasket surfaces.
2. Install new water pump gaskets with the tabs up.
3. Install the water pump to the engine block.

Notice: Refer to Fastener Notice in Service Precautions.

4. Install the water pump bolts into the engine block.
4.1. Tighten the water pump bolts to (first pass) 15 Nm (11 ft. lbs.).
4.2. Tighten the water pump bolts to (final pass) 30 Nm (22 ft. lbs.).





5. Install the heater hoses to the water pump.
6. Install the heater hose clamps to the water pump.





7. Install the radiator inlet and outlet hoses to the water pump.
8. Install the radiator inlet and outlet radiator hose clamps to the water pump.
9. Fill the cooling system. Refer to Draining and Filling Cooling System.
10. Install the accessory drive belt. Refer to Drive Belt Replacement - Accessory.





11. Install the air intake duct/cleaner assembly.





12. Connect the MAF sensor connector.
13. Connect the IAT sensor connector.
14. Connect the negative battery cable.
Tighten the negative battery cable bolt to 15 Nm (11 ft. lbs.).
15. Program the Transmitters. Refer to Transmitter Programming/Synchronization in Accessories and Optional Equipment.
16. Start the engine.
17. Inspect the water pump for leaks.