Why Does My Car Heater Blow Cold Air
Olivia Luz
This passage might be clogged with particles that buildup during the period of usage.
1 low coolant level on a vehicle due to a coolant leak. 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. Because the hot coolant results from waste heat in the engine block cabin heat is free by contrast the. Air from the blower is not blow toward the heater core or the coolant does not flow through the heater core.
Reasons why car heater blows out cold air. There could be various reasons for car heater not working but it basically happens for two reasons. 3 plugged or leaking heater core. 2901 south limit ave.
Besides the heater core has some fins in the external that can also be clogged due to debris or other particles coming from outside. 2 thermostat that is stuck open. If that valve is stuck closed then that s another reason a car heater will blow cold. When you hear about a plugged heater core what that usually means is that corrosion and other junk has clogged up the internal tubes and flushing will often clear it up.
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Serving sedalia boonville clinton jefferson city marshall warrensburg and central missouri 800 886 2701. Some of the common problems we see when a vehicle heater does not blow warm air are. Low coolant levels malfunctioning thermostat broken control or a water leak. 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.
A car heater blowing cold air could be a symptom of the failure of the heating unit. Air driven by the blower picks up the heat on its way into the passenger compartment.
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