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most likely thermostat stuck less than $ 15 part

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13y ago
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Q: What is wrong if car is overheating and heater blowing cold air?
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Heater blowing cold but car not overheating?

faulty control valve on heater or air in the lines


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What is wrong if cold air blows out when heater is on?

I assume your car heater is blowing cold air, when the heater is on. It seems that, you have air on your coolant. that air pockets blocks the cooland to travel through your heater. it may be a sign of a bigger problem such as blown head gasket in the old cars, such acura legend


Why is your car heater blowing out cold air when it is on?

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It sounds like your switch from hot to cold is stuck on cold


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