Question about 2008 Dodge Charger

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With heat and defrost on the windows fog up and won't defrost

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Windows fog up anytime I use the heater.....Have to have it on defroster all the time.?

Posted on Sep 27, 2010

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Window fogs up when heat is on

Not sure if this is the problem, but the symptom that you describe is consistant with what happens when you get a heater core leak. When the system gets pressureized, you likely have a mist spraying..like a vapor in your heater box. The fan then carries the mist to the cabin and moisture forms inside the car. Usually when this happens, it will be accompanied by an odor of coolant. Also over time, your coolant levels will drop. As the condition worsens, your passenger side floorboard could start getting wet. Good Luck! I hope you find this very helpful!

Posted on Nov 28, 2009

  • 5 Answers

SOURCE: the radiator cap was replaced on my truck and now

it sound to me that you might have a slight leak in your heater core. The leak is what s causing the windows to fog up, cause it's actually radiator fluid leaking. Is there any odor present?

Posted on Nov 19, 2010

hfmiles
  • 1165 Answers

SOURCE: even tough i have lots

Check your carpet on the passenger side and the middle for moisture. It sound like your heater core is leaking. Can you smell antifreeze?

Posted on Dec 29, 2010

  • 29 Answers

SOURCE: My front defroster doesn't work

Their is a vacuum actuated valve that redirects the flow of air from the panel to the defrost vents when the defrost is selected. I would check the vacuum line running to the valve while the vehicle is running with the defroster on and check whether or not the line is pulling a vacuum to actuate the valve, if not you obviously have a bad line or vacuum line fitting. If you have suction on the vacuum you will need to check the valve and see that is functioning properly. The valve is usually located under the dash on the passengers side. If you are mechanically inclined i would go to a local auto part store and pick up a repair manual for your car for about $20 as they contain diagrams and info that will save you alot of money.

GGBMDB

Posted on Dec 08, 2008

wencal1963
  • 153 Answers

SOURCE: 2000 2500 silverado

YOUR HEATER CORE IS GOING BAD. SOONHEATER WILL NOT WORK AT ALL. PLEASE REMEMBER ANTIFREEZE CAN BE TOXIC.

Posted on Jan 14, 2011

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1 Answer

I have an issue with my windows fogging up when I use heat to defrost them.


This is normal if your A/C doesn't work. When set on defrost the A/C kicks on and off to keep the fog from appearing. the fog goes away once the heat inside reaches a certain temperature. Unless the drain is clogged and the plenum is holding water. Do you have ice on the inside? clean the drain. It's on the passenger side, near the bottom of the firewall. A rubber tube coming out, that goes to nothing.

Dec 29, 2014 | 1998 Lexus ES 300

1 Answer

Dodge durango 2001 fogging up windows not defrosting


It's most likely your heater core that is causing the problem it could be leaking either from the core it's self causing anti freeze to get into your vents or from one of the hoses leading to it.....I am assuming that when your heat is on there is a dampness in the air this is what is causing the windows to fog up.

Feb 17, 2014 | 2001 Dodge Durango

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Window fogging up


temporary solution is to goto walmart automotive section and look for rainX anti fog wipes. and if you change you control knob to a different zone do you get heat and does it go from vent to floor

Oct 02, 2013 | Ford Expedition Cars & Trucks

1 Answer

When I turn my heater and defroster on, a bad smell starts and the windows fog up but the air is hot.


This may be due to a bad heater core or dirty core with a plugged water drain, first see if the a/c works. turn it on and see if the air gets cold and if the ac compressor works.

The way the defrost works to keep windows from fogging up is that when the front defroster is tuned on the ac should also be on, on most cars when you go to defrost it will turn ac on automatic. the system then uses hot and cold air to remove the moisture in the air to avoid window fogging. if your a/c is not working then that may cause window to fog, but if you are also getting a smell then the drain that lets out condensation may be plugged and then water builds up and also mold from always being wet and when heat is on you smell that.


i want you to run the defrost and when windows fog up wipe window with hand and see if it is greasy . if it feels oily then you may have a bad heater core, the core leaks coolant out and steam and causing windows to fog up with a flim of grease.

Feb 03, 2013 | 2000 Chevrolet Silverado

1 Answer

Windows fog up


Heated air in large quantities is what gets rid of window fog. Make sure you're actually getting hot air out of the dashboard vents, and if not, follow that problem.

Dec 29, 2012 | 1995 Subaru Legacy

1 Answer

Heater & defroster works fine but inside car windows keep fogging


So you have the vent settings to blow out of the windshield vents and still have fogging?

You can dry out the air more quickly if you use the air conditioner setting. It sounds backwards, but this is exactly what the manual in my older car said to do. (Some cars are electronic control and won't let you do this however - or they do it automatically with the defrost vent settings).

For the older car, I would set the heat to the hottest setting and press in the a/c button. The a/c dries out the air, but it does not have to be set to run cold.

Another thing that could help is to make sure that you do not have the vents set for "recycling" the air. The picture should look like a u shapped arrow. Make sure it is not pressed in.

Dec 20, 2011 | 1999 Oldsmobile Alero

1 Answer

Side and rear windows fog up


A simple fix is to clean the windows, then apply a coat of white shaving cream. The cream stops fog build up. Simple rub it in then wipe it off.

Dec 06, 2011 | 2000 Chevrolet Malibu

1 Answer

Neither my heat or a/c works and when I try to defrost my windows they just fog up is the accumulator / drier need replaced?


does the air temp change when you try to blow ac and or heat?? if it does change from cold to hot at your discretion and it is still fogging up you may have a leaking heater core and in which cases the "fog" you see on the windshield is actually antifreeze blowing onto the glass from the leaking heater core.

Sep 09, 2011 | 2000 Jeep Grand Cherokee

1 Answer

Why my window is fogging whe i turn the heater ?? i recently bought my toyota carina 3 model 1994 but the window is fogging , what should i do?


Make sure the vent system is set to draw air from outside. If it is set to recirculate the same air that's inside the vehicle without drawing fresh air from outside, the resulting humidity that builds up inside the vehicle can fog the windows even when you run the defrost. You can also try opening the windows a bit to get some more air moving inside.
If it still fogs when the vents are set properly, you may have a leaky heater core. The heater core is a small radiator that is located under the dash that the heater system blows air through to heat the inside of your car and provide heat to defrost the windshield. The fog may be coming from the heater core leaking hot coolant steam that's being circulated through the defrost system. If this is so, you will need to replace the heater core.

Jan 07, 2011 | 1997 Toyota Corolla

1 Answer

The radiator cap was replaced on my truck and now smoke is coming through my vents when i turn on heat the windows fog up and the defrost fogs my windows


it sound to me that you might have a slight leak in your heater core. The leak is what s causing the windows to fog up, cause it's actually radiator fluid leaking. Is there any odor present?

Nov 19, 2010 | 2000 Dodge Durango

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