It is definetly connected. Once the drain is clogged mildew will begin to grow.
You will have to get under the car and locate the drain. Usually you can insert a small screw driver in the end of the drain to clear the large debris. Next, use a small bottle brush to remove as much as you can. Next, take a garden hose and run water into the cowling at the base of the windshield. You should start to see water exiting the drain tube.
Repeat as necessary.
Good luck, let me know.
Regards,
Also, once the area is cleaned and dried out, the odor will start to go away.
Yes, they can be related. If the condensation created by the a/c can’t drain, mildew and algae can start to grow. Unclog the drain tube with compressed air or a stiff wire. If it’s not completely stopped up, run the a/c with the car stationary to see where the water drips out. If it’s completely stopped up you’ll just have to crawl under there and look for it.
I have to differ with GM Elec. I’m pretty sure that the condensation drain and the air intake drain are two separate drains. If the air intake drain is plugged, you would get water on the floor boards when it rains, even if the a/c was not being used. Most cars don’t have an air intake drain. The water just runs out the ends and down the fender well. Although if the air intake is full of trash, say from parking under trees when they are shedding, it could cause the odor. I also once saw a car that had been in a flood, and we never did get rid of the smell.
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I don't quite understand what your saying about an air conditioner drain. as for the odor it could be your cabin filter. or just a buildup of moisture and bacteria in your AC system. run your air on anything but max for a while and it should clear up after a few days. running you AC on max does not allow fresh air to enter the system which allow bacteria and mold growth in the system. althiugh this is pretty normal.
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