Why Does My Car Heater Blow Cold Air
Olivia Luz
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Air driven by the blower picks up the heat on its way into the passenger compartment.
Air from the blower is not blow toward the heater core or the coolant does not flow through the heater core. Serving sedalia boonville clinton jefferson city marshall warrensburg and central missouri 800 886 2701. Finally a heater core can become plugged in more than one way. It can feel cool for the first few minutes because the engine has to warm up in order for the coolant to heat up and provide heat to your interior.
Low coolant levels malfunctioning thermostat broken control or a water leak. Because the hot coolant results from waste heat in the engine block cabin heat is free by contrast the. 2 thermostat that is stuck open. A car heater blowing cold air could be a symptom of the failure of the heating unit.
If it leaks water you need to find the source. 2901 south limit ave. This passage might be clogged with particles that buildup during the period of usage. During the winter when you crank up your heat the coolant is brought over from the engine to the heater core that then blows warm air into your car.
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Reasons why car heater blows out cold air. What is wrong with my car heater. An engine that keeps losing water is a big problem and not just because low water levels will keep your heater from putting out enough heat. 3 plugged or leaking heater core.
The heater core has a narrow internal passage. Besides the heater core has some fins in the external that can also be clogged due to debris or other particles coming from outside.
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