Heater Core – 443819030

The heater core is a heat exchanger that transfers heat from engine coolant to the air inside the cabin. Clogged heater cores transmit heat poorly, while leaking heater cores drip engine coolant into the cabin, creating a bad odor. If you are noticing a strong coolant odor while in the cabin of the vehicle, coolant loss without a visible leak, and/or poor heat output, it is recommended to have the heater core inspected before the issue becomes more severe.

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