Heater Core Case: Service and Repair

Heater Unit:

REMOVAL

1. Disconnect the negative battery terminal.
2. Drain the coolant from the radiator.
3. Remove the coolant inlet and outlet hoses from the heater unit.
4. Discharge the refrigerant from the refrigeration system.




5. Remove the suction and liquid lines from the evaporator.
6. Remove the steering wheel and the multifunction switch assembly.




7. Remove the front and the rear console assemblies.




8. Remove the lower crash pad (LH).




9. Remove the center facia panel from the heater control assembly.




10. Remove the heater control assembly and the audio system.
11. Remove the glove box.




12. Remove the 4 mounting bolts from the passenger airbag mounting bracket (if equipped).
13. Disconnect the cables from the heater unit and the thermostatic switch connector from the evaporator unit.




14. Remove the main crash pad assembly.
15. Remove the evaporator mounting nuts.
16. Remove the evaporator unit.
17. Remove the cowl cross member mounting nuts (4EA) and the cowl cross member.
18. Remove 3 mounting bolts from the heater unit.




19. Remove the heater unit.

INSTALLATION
1. Installation is the reverse of removal.
2. After installation of the heater unit, check that the air mix lever slides smoothly, full stroke from right to left. If not okay, readjust the air mix cable.