Where does the heater go in a Ford Focus?
Where does the heater go in a Ford Focus? by Alibaster Smith. The heater in your Ford Focus works off of the radiator. Coolant is pumped through a heater core and radiates heat. This heat is then blown into the passenger compartment by a fan. Why does my Ford heater have no heat? The Ford Heater temperature control issue comes down to this: A problem with the variable resistor inside the blend door actuator, in which case you must replace the actuator or, A problem with the blend door actuator motor, in which case you must replace the actuator or,...