Heater Core Case: Service and Repair

Heater Unit and Associated Parts

Removal
1. Disconnect the battery ground cable.
2. Drain the engine coolant.
3. Discharge and recover refrigerant (with air conditioning).
4. Remove the Instrument panel assembly.
5. Remove instrument panel bracket.
6. Cross Beam Assembly.
7. Disconnect resistor connector.
8. Remove duct.
9. Remove evaporator assembly (A/C only).
10. Remove driver lap vent duct.
11. Remove ventilation lower duct.
12. Remove rear heater duct.
- Remove foot rest, carpet and 3 clips.
13. Remove heater unit assembly.
- Disconnect heater hoses at heater unit.

Installation
To install, follow the removal steps in the reverse order, noting the following points:
1. When handling the PCM and the control unit, be careful not to make any improper connection of the connectors.
2. Adjust the control cables.
3. When installing the heater unit, defroster nozzle and center vent duct, be sure that the proper seal is made, without any gap between them.