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Why would a car heater be blowing cold air?
AnswerBad thermostat, clogged heater core, or a defective heater control switch. If an engine has not been running long it will not have warmed up, the warmth from a car heater usually comes from the engine.
Heater blowing cold but car not overheating?
faulty control valve on heater or air in the lines
Why is your car heater blowing out cold air when it is on?
Low coolant and a clogged heater core are possibilities.
My car is blowing out cold air not hot when the heater is on.?
You need to change your thermostat in the car.
Why is your car blowing steam out of your vents?
The heater core is leaking coolant.
Why would car heater stop and start?
Perhaps it needed to cool down.
What would cause the heat to stop blowing in a 2004 Impala?
most likely your heater-core went bad. if you car runs perfectly fine besides having heat. if you car gets up to normal temperatures, doesn't over heat. the fan blows, but just blows cold air. then it is the heater core.
What if your heater won't stop blowing even when the car is shut off?
This could possibly mean that the electrical connection for the blower is shorted or grounded or the on/off switch has lost contact. Have this checked with a car electrician.
Why would the heat stop blowing and then the car would stall?
your heat comes from your heater core which draws heat from your engine coolant so if you have no heat and the blower is still running then there is a coolant level problem as in none which then would cause the mottor to over heat and quick
Why is your heater fuse keep blowing out in your car?
Heater blower motor is defective and locked up, or possible short in the wiring.
What can cause a heater to stop blowing heat?
well you could just turn the heater off heater blower ---- If it is a car heater then check your coolant level. the heater is driven off a heat converter that is fed by the radiator system. When the coolant fails to pump round the radiator system the car internal heater doesn't work. Driving without coolant in the system will result in the engine overheating and seizing.
The heathing in your car is blowing cold all the time?
it is your heater core most likey
