Heater Core: Service and Repair

1. Disconnect battery ground cable.
2. Place temperature control lever in extreme right position.
3. Loosen radiator drain plug and drain cooling system.
4. Remove air filter, then remove hose clamps and disconnect heater hoses from heater core.
5. Remove dash panel.
6. Remove heater duct, then the center ventilator duct.
7. Remove defroster duct, then the center reinforcement.
8. Remove heater unit and grommet.
9. separate heater core from heater unit.
10. Remove hose cover, joint hose clamp, joint hose and support plate from end of heater core.
11. Reverse procedure to install.