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I just purchased a 2013 Chevy Malibu LTZ and every time I turn on the air conditioner, there is this horrible odor of rotten feet that comes out of the vent. The longer I run it, the stronger it gets. Can you please tell me what is causing this and what I can do about it. I am still under warranty and I just purchased the vehicle from a dealer on the 28 of February. It is a certified vehicle and I still have factory warranty on it as well.

Thanks for any help you are able to give me.

DucatiKiller
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mattandmary
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2 Answers2

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This is because bacteria live in your condition system, I'm from the EU so I can't recommend you a good cleaner for air condition systems, but I think in any good shop the salesman will recommend. And replace the air cabin filter. It's good sometimes before turn off car turn on heater to max for some seconds to dry possible condensate (where bacteria lives). There is a thousand videos on Youtube about this problem

akuzmitski
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I may be missing something, since I'd expect someone would have mentioned this. But, just in case: the standard answer to (I think) the same question on 'Car Talk' was always that the drain hose from evaporator pan was plugged.

George
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