Water Pump: Service and Repair

Coolant Pump - 4.0L SOHC








Removal and Installation
1. Drain the engine coolant. For additional information, refer to Cooling System Draining, Filling and Bleeding.
2. Remove the air cleaner outlet pipe. For additional information, refer to Fuel Delivery and Air Induction.
3. Loosen the 4 coolant pump pulley bolts.
4. Remove the accessory drive belt. For additional information, refer to Drive Belts, Mounts, Brackets and Accessories.
5. Remove the 4 coolant pump pulley bolts and the coolant pump pulley.
^ To install, tighten to 25 Nm (18 lb-ft).
6. Disconnect the thermostat housing-to-coolant pump hose.
7. Disconnect the heater hose and position aside.
8. Disconnect the radiator-to-coolant pump hose and position aside.
9. Remove the 12 coolant pump bolts and the coolant pump.
^ Discard the coolant pump gasket.
^ Use metal surface cleaner and a suitable plastic or wooden scraper to clean the sealing surfaces.
^ To install, tighten to 10 Nm (89 lb-in).
10. To install, reverse the removal procedure.
^ Install a new coolant pump gasket.
11. Fill and bleed the cooling system.