Heater Core: Service and Repair

1. Disconnect battery ground cable.
2. Drain cooling system.
3. Remove right sound insulator.
4. Remove center and lower instrument panel trim plates.
5. On models with automatic climate control, proceed as follows:
a. Remove speaker grille and speaker for access to programmer attaching bolt.
b. Disconnect wiring and hoses from programmer.
c. Remove programmer linkage cover and disconnect linkage.
d. Remove programmer attaching bolt, then the programmer.
6. On all models, remove heater core cover, then the splash cover for access to heater hoses.
7. Disconnect heater hoses from heater core.
8. Remove heater core cover, then the heater core.
9. Reverse procedure to install.