Heater Core: Service and Repair

Fig. 8 Heater & defroster assembly:

1. Drain cooling system.
2. Disconnect water hoses from heater core.
3. Remove glove box compartment.
4. Disconnect defroster hoses from heater housing, Fig. 8.
5. Disconnect connectors from blower motor and heater resistor.
6. Disconnect 3 control cables from heater case side levers.
7. Pull out center vent louvre.
8. Disconnect right and left side vent ducts from center vent duct.
9. Remove center vent duct.
10. Remove ashtray upper plate.
11. Remove instrument member stay.

Fig. 9 Heater core case assembly:

12. Remove 2 heater assembly mounting nuts.
13. Loosen heater case top side mounting bolts from glove box side.
14. Remove heater control assembly.
15. Remove retaining clips from heater case halves, Fig. 9.
16. Remove heater core from housing.