The Heater Core

The Heater Core.



During the winter, you trust that when you turn heat knob to hot that you will feel warm air from the heat vents. You may not know that the warmth comes form the hot coolant that circulates through the engine and radiator. The heater core is inside your cash board. This is where the warmth comes from, that warms the interior of the car and defrosts the windshield.



The heater core is a small radiator just like the large one in front of the engine. A fan blows air around the heater core through the vents and defroster system.



There are signs that the heater core may need to be inspected or replaced.



* Reduced heat blowing through the vents

* A sweet odor inside the car, similar to maple syrup

* A mist appears on the inside of the windshield when the defroster is on

* A damp spot on the floor, under the dash on the right side of the car



Stay warm and safe this winter.