Operation CHARM: Car repair manuals for everyone.

Heater Core Case: Service and Repair

Heater Unit And Associated Parts:





Heater Unit
REMOVAL




1. Disconnect the battery ground cable.
2. Drain the engine coolant.

3. Discharge and recover refrigerant (with air conditioning).
- Refer to Refrigerant Recovery.

4. Remove the Instrument Panel Assembly.
- Refer to Instrument Panel Assembly in Body and Accessory.

5. Remove instrument panel center bracket.
6. Remove blower unit.

7. Remove evaporator assembly.
- Refer to Evaporator Assembly.

8. Remove driver lap vent duct.
9. Remove Center & Lower vent duct.

10. 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.
- Refer to Control Lever Assembly.

3. When installing the heating unit, defroster nozzle and center vent duct, be sure that the proper seal is made, without any gap between them.