Posts Tagged: heater core failure

Bad heater core symptoms

Bad heater core symptoms A heater core is a small radiator heat exchanger that sits under your dash and heats cabin air. The engine circulates hot coolant through the heater core and the blower motor sends cabin air through it to be heated. A bad heater core is usually clogged with rust debris and won’t transfer heat from the coolant. There are five heater core symptoms 1) Wet carpet — Coolant leak in the cabin or under the vehicle. If the core is leaking, coolant will leak into the heater … Read More