Quote:
Originally Posted by 4bangaturbo
so the musty moldy gym smell coming from my HVAC is still there after i've changed my cabin filter. im going to be foam cleaning the vents with the Klima-Cleaner Air Conditioner Cleaner found on amazon. will report back if it works.
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That’s because the smell is coming from mildew build-up on the evaporator. After you do that cleaning, in the future, after you’ve run your A/C, make sure not to leave the circulation mode on “A” or “M” when turning off your car. You want to set it so that the system is open to outside air (both LED’s off). By doing so, you’re allowing the evaporator to dry and you won’t get that musty, mildew smell.