The blower blows normal at all speed settings but I get no heat at all. I have adjusted the heat setting throughout the range. I have even turned the AC on and off, hoping to reset something, but cannot get any heat at all. What would cause this?
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This problem is related to faulty blower motor resistor.The resistor is the part which controls the blower motor to work on required speeds.But if resistor fails then motor will work normally but will not work on selected speed like slow and medium .In this case replacing the resistor should help.To locate the resistor open your glove box and roll it all the down take off the panel in behind the resistor will be top right hand side.This should help.Thanks.Helpmech.
this may be your heater motor or a blower motor resister that went bad the bower motor resistor controls the speed of the blower if the speed settings went out one by one or if you only had one setting this could be the resistor
It could be your blower switch, but more than likely it's a resistor that is usually a part of the blower assembly, and it operates the speeds. Doesn't cost much but can be tricky installing. If you had one or two speeds not working, initially, eventually all may stop. If fan stopped working and all speeds had been operating, then you may have a bad wire or blower motor. Also, check your manual for fuses, as there may be a compartment inside the vehicle as well as one under the hood.
is your heater set on defrost this will cause your engine fan to run because it turns on the compressor for air conditioner this helps to extract moisture from your warm air defrost and the fan in the engine compartment helps keep it the engine cool from the extra load on the engine this is normal