Your Vehicle: 2001 Ford Escort ZX2 L4-2.0L DOHC VIN 3
Vehicle » Heating and Air Conditioning » Heater Core Case » Description and Operation  
  Description and Operation  

The heater core housing contains the following components:

  • heater core
  • air temperature control door
  • panel airflow control door
  • defrost/floor airflow control door

Of these components, only the heater core is serviceable. If any of the airflow control components are not working, a new heater core housing must be installed.