Question about 1994 Pontiac Grand Prix

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My ac is causing moist air to blow from the vents making the windows fog up. It also drips water from the pasenger side under the dashboard, what needs replaced

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  • Pontiac Master
  • 3,640 Answers

Check for a heater core leak, and also the ac drain may be plugged from the condensor. if lines are ok , then its the heater core. it will cause window to fog up if bad. more so in winter, it will put a film of anti-freeze all over window on inside!

Posted on Aug 20, 2010

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1 Answer

2005 Jeep Liberty Windshield keeps foging up what would cause it to do that. AC was blowing cold and stop then fog started coming out of the vents.


fogging inside a car out of vents
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nothing wrong with the air con system at all .....fog will clear

scientific cause ...cold air hits hot air
the internal temp of the car is higher than the external temp
or other way round
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Icing up windows


try running the ac as well as the heater. The ac removes the humidity (water vapour) in the air in the car which is causing the fogging up . Hot moist air on glass creates fog ( same as clouds). You will get a comfortable temperature inside without the fog

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My 2004 Dodge Stratus a/c blows air from the front window defogger vents, not from the ac vents, causing the window to fog up. It switches intermittently from each sometimes, too.


It sounds like you blew your 'hvac' fuse which should be located under the dash on the drivers side, just pull the cover off the fuse panel and on the backside of the cover it should say which fuse is which and when you pull out the fuse if you look at the side of the fuse there is a metal wire that runs through the fuse and if that wire is burnt then the fuse is bad. And if the fuse is not there then it is in the instrument/fuse panel under the hood. hopefully this works for you

Apr 29, 2011 | 2004 Dodge Stratus

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Need to know why water is leaking from under dashboard on passenger side of car


could be that when the air is on the condensor is freezing up and melting and causing a drip. make sure you have it on recirculate. outside air in high humidity will freeze up condensor. Also does it smell like anifreeze if so heator core is getting ready to go out

Aug 16, 2010 | 2003 Mitsubishi Galant

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How do I clear the AC condensate drain on my 2008 CX-9?


The first place I would look is on the firewall from under the hood. Toward the passenger side, (I think) you should see a rubber nozzle coming out of the firewall. This is the condensor drain, and chances are of course, it's clogged up. You should be able to easily remove it. Upon doing so, the condensor should drain the collected water. Then, you'll have a good oportunity to clean the nozzle and put it back in.

I hope this helps you with your problem! :)

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1 Answer

Dual heat and ac system


broken cable? if possible trace the cables back to the box move then bolth and see if one doesnt, if so you could alwase manually move it for a temp fix

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