Mode / Temperature Control Unit

Mode / Temperature Control Unit
Removal
1. Disconnect the battery ground cable.
2. Drain the engine coolant.
3. Discharge and recover refrigerant (with air conditioning). Service and Repair
4. Remove heater unit. Service and Repair
5. Remove duct.
6. Remove case (Mode control) and do not remove link unit at this step.




7. Remove case (Temperature control) separate two halves of core case.




8. Remove heater core.

Installation
To install, follow the removal steps in the reverse order, checking that each door operates properly.

Inspection
Check for foreign matter in the heater core, stain or the core fin defacement.