Q: Car heater not working
The car heater is not working.
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When the engine reaches operating temperature, the thermostat opens, allowing hot coolant to flow through the heater core. The heater core then heats the air that is blown through it by the blower motor. This makes the interior nice and warm. There are many reasons for an inoperative heater, including a failed thermostat, failed heater core, low coolant level, and air in the cooling system. A common issue on vehicles like yours is air getting into the system via leaking radiator hoses. In this case, the leak must be fixed and the cooling system bled. I suggest you have a professional inspect your AC system firsthand, and diagnose and repair your vehicle. YourMechanic is an excellent option since we make house calls.
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