The fan is working but it will only blow cold air out. How can i fix this?
Can anyone tell me how to slove the problem of having a heater that will only blow cold air. The air is cold even when the engine has warmed up and it doesnt matter how long i drive the car for the blower never blows warm air. I have turned the control up full but to no avail.
Are you sure that the engine has warmed up? (Check the temp gauge.) Because this fault is often caused by a coolant thermostat stuck open meaning the engine never gets to 'working' temperature and so the heater never gets hot. Alternatively it could be an airlock in the heater circuit.
t
January 2008
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