Water Pump: Service and Repair

REMOVAL PROCEDURE
1. Raise and suitably support the vehicle.





2. Disconnect the coolant fan electrical connectors from the fans.
3. Drain the cooling system.
4. Lower the vehicle.





5. Disconnect the (IAT) Intake Air Temperature sensor and (MAF) Mass Airflow sensor electrical connectors.





6. Remove the air intake duct.





7. Remove the outlet hose from the water outlet.





8. Remove the inlet hose from the coolant pump.





9. Remove the air cleaner assembly bolts.
10. Remove the air cleaner assembly / upper radiator support.





11. Remove the inlet hose (1) from the radiator.





12. Remove the electric engine coolant fans.
13. Remove the air conditioning drive belt.





14. Remove the drive belt tensioner pulley from the coolant pump.
15. Remove the vent hose from the radiator.





16. Remove the coolant pump pulley bolts.
17. Remove the coolant pump pulley.





18. Remove the coolant pump bolts.





19. Remove the coolant pump.
20. Clean all gasket mating surfaces, including the water pump bolts.
21. Transfer the thermostat from the old water pump to the new pump.

INSTALLATION PROCEDURE





1. Install the coolant pump to the engine block.

NOTICE: Refer to Fastener Notice in Cautions and Notices.





2. Install the coolant pump bolts.
^ Tighten the coolant pump bolts to 25 Nm (18 ft. lbs.).





3. Install the coolant pump pulley.
4. Install the coolant pump pulley bolts.
^ Tighten the coolant pump pulley bolts the first pass evenly to 10 Nm (89 inch lbs.).
^ Tighten the coolant pump pulley bolts the final pass to 25 Nm (118 ft. lbs.).
5. Install the vent hose to the radiator.





6. Install the drive belt tensioner to the coolant pump.
^ Tighten the drive belt tensioner bolt to 50 Nm (37 ft. lbs.).
7. Install the drive belts.





8. Install the electric engine cooling fans.





9. Install the inlet hose (1) to the radiator.





10. Install the air cleaner assembly / upper radiator support.
11. Install the air cleaner assembly bolts.
^ Tighten the air cleaner bolts to 12 Nm (106 inch lbs.).





12. Install the inlet hose to the coolant pump.





13. Install the outlet hose to the water outlet.





14. Install the air intake duct.





15. Connect the IAT sensor and the MAF sensor electrical connectors.





16. Connect the coolant fan electrical connectors to the fan assemblies.
17. Fill the cooling system.