Coolant Line/Hose: Service and Repair

COOLING WATER PIPES OR HOSES

REMOVAL
1. Disconnect negative cable at battery.
2. Drain coolant.





3. Remove radiator inlet, outlet hoses and radiator outlet pipe.
4. Remove throttle body and intake manifold. Refer to Fuel Delivery and Air Induction.





5. Disconnect Engine Coolant Temperature (ECT) sensor coupler.
6. Disconnect heater inlet hose from water outlet cap.





7. Remove water outlet cap from cylinder heads.
8. Remove water outlet pipe from thermostat case.
9. Remove thermostat case from cylinder block.

INSTALLATION





Install removed parts in reverse order of removal procedure, noting the following:
1. Install thermostat case to cylinder block with new O-ring.
2. Install water outlet pipe to thermostat case with new O-rings.
3. Install water outlet cap to cylinder heads with new gaskets.





4. Connect heater hose to water outlet cap.
5. Connect Engine Coolant Temperature (ECT) sensor coupler.
6. Install throttle body and intake manifold. Refer to Fuel Delivery and Air Induction for installation.





7. Install radiator outlet pipe to thermostat case with new O-ring.
8. Install radiator inlet and outlet hoses.
9. Refill cooling system with proper coolant, referring to description on "COOLANT" and steps 8 to 10 of "COOLING SYSTEM FLUSH AND REFILL" located under Cooling System.