The heater core is a small radiator that warms the car’s cabin using hot coolant from the engine. The cooling system’s hoses circulate liquid coolant through the heater core as they do through ...

The radiator and heater core act like small heat exchangers to ... There are a few reasons why your car's heater can fail to ...

there was a little hot radiator sitting several inches away from the A/C evaporator core that was now trying to cool the car, ...

Heater hoses are rubber hoses that circulate engine coolant to and from the heater core, which is the small radiator that provides heat for the cabin. They typically extend from the engine to the ...