Heater Core Case: Service and Repair

HEATER UNIT

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).
- Refer to Refrigerant Recovery.

4. Remove the Instrument panel assembly.
- Refer to Instrument Panel Assembly in Body and Accessories.

5. Remove instrument panel bracket.
- Refer to Parts Location in Instrument Panel Assembly in Body and Accessories.

6. Cross Beam Assembly.
- Refer to Parts Location in Instrument Panel Assembly in Body and Accessories.

7. Disconnect resistor connector.

8. Remove duct.

9. Remove evaporator assembly (A/C only).
- Refer to Evaporator Assembly.

10. Remove ventilation lower duct.

11. Remove rear heater duct.
- Remove foot rest, carpet and 3 clips.

12. 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 heater unit, defroster nozzle and center vent duct, be sure that the proper seal is made, without any gap between them.