Question about 1999 Chevrolet Malibu

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Intermitent Fan Functions

My fan motor turns on and off intermittenly, I tried replacing the blower resistor first cuz it was $20.00 vs. $200.00 and I really can't afford the $200.00; is there another alternative or do I need to bite it and get the blower fan? This is in regards to a Florida car, the air conditioner will blow cold but it won't stay on, regardless of the fan speed setting I have it on.

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  • Julie Tyre Jul 15, 2009

    Thank you Mr D. I will follow up with the blower thermostat

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If the blower is functional intermittently it could be a couple of different things. Seems as you have already replaced the resistor I would say you should replace the blower thermostat. the device the determines when the blower will kick on is a thermostat. If it is inaccurate it could likewise casue your problem. The best part of all is that in the case of your air unit, its electrical components will all **** out at around the same time, so replacing the component first won't hurt. There is however also a possibility that the blower it self is going ut and therefor is shutting itself off due to drawing to much power and heating up.

Posted on Jul 15, 2009

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The fan motor will start to pull too many amps through the resistor and in turn smokes the resistor. You can replace the resistor and it will temporarily fix the problem but eventually the fan motor will end up overloading the new resistor and ruining it.
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