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 ...

A stuck-open thermostat prevents the engine (and coolant) from heating up. Cold coolant flowing through the heater core can't ...

Internal combustion engines produce heat that is carried ... want to actually remove the heater box to lighten the car? If ...

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 ...