Fog from middle vents
#1
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Anyone any ideas on this, driving along today, heavy rain outside, warm though 19 degrees, temp in car set to 16 but no air conditioning on, fan speed 1, air circulation set to bottom , mid and screen, then suddenly, what you can only describe as a type of fog comes from the center vents just for a few seconds, car coolant temperature normal, all normal again, as I said just did it for a few seconds,
#3
#4
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powerhouse (07-10-2019)
#5
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It's usually the same thing, colder air mixing with warmer moist air. It creates a little fog. It can go the other way around where blowing warm air meets outside cooler air. It creates little fog that is not "smoke". You commonly see this from exhausts on cars where it's cool mornings with warm exhaust temps.
#6
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#9
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I agree with Carbuff 2. Had this happen on an airliner a few weeks back. Fog was just flowing out of the vents when we landed, looked like we were setting up for a Halloween movie. Really spooky. Warm moist air + cold heat exchanger = fog. Nothing to worry about but you should take a picture because it looks cool (no pun intended).
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powerhouse (07-17-2019)
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