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Vacuum Lines. I had the same problem and it was due to cracked vacuum lines. Listen for some hissing under the hood and you might be able to find the source of the problem. Mine was right around the battery....................As this may be the problem your should first check under your passenger side right under the glove box you might have to take a interior trim plate and you can check the door a vaccum door and manually move it and you can get air out of your window defroster and possiblt getting it switched over and get it working if not you have two actuators there you can get replaced.

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โˆ™ 2012-01-05 04:28:29
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Q: In a '95 Corsica the front windshield defrost is not getting forced air only blowing through vents on passenger side of the dash why?
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AC fan is blowing cold air out of windshield defrost when not on defrost?

does fan door motorized or on a vaccuum line when you switch from AC to defrost?

1989 Chevy Corsica has no heat or defrost or blowing at all why?

If you feel no air blowing at all (when you are not moving) then your fan is not blowing. If it is blowing air, and it is cold, when the heater is on, then most probably your heater core is leaking, or is clogged. These are easily replaceable and go bad all the time in older cars.

Can't defrost my windshield?

The fastest way to defrost a windshield is to turn the defrost vent on without heat or simply open the windows. Another option is to warm the inside of the car by turning the heater on.

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on the dash below the windshield.

When i turn on the defrost no air seems to go the windshield?

no heat to front window went defrost is on

My defrost fan is blowing but will not defrost my windows?

That means either you have air in your heater core or your heater core is being bypassed

Should ac compressor stay on when heater control moved to defrost in a 2000 durango?

Yes, the ac will run in the defrost position to dry the windshield.

The fastest way to clear moisture from your windshield is by using what?

Start driving with your air conditioning on defrost, the AC will defog the windshield but you need to be moving.

What causes the front air conditioner on 1999 Lincoln navigator to stop blowing through the ac vents and start blowing through the defrost vents?

When there is a problem in the vent system it defaults to defrost setting. Check the doors & vac supply

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Remove frost or ice from (the windshield of a motor vehicle).Thaw (frozen food) before cooking it.

Does the ac come on when the defrost is on in a 1996 Toyota Corolla?

Yes, the windshield defroster will turn the A/C compressor on.

Why does your defrost run even when it is in cold position?

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