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Why does your 1995 Cadillac eldorado blow hot air only out of the defrost vents no mater at what temp i set it to?
Wiki User
∙ 10y ago
likely thermostat is stuck.
The temp blend door actuator has failed.
Wiki User
∙ 10y ago
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I have a 2004 Ford Mustang and you will just be riding along and my air conditioner will just randomly start blowing air out of my defrost vents What is going on here?
You have a vacuum leak causing your vents to switch from dash to defrost.
What would make the heat blow out of the defrost vents and not the front vents of a 1995 Cadillac Sedan Deville?
The moveable "baffle" inside the dashboard is not redirecting the air flow as it should. It's operated either by vacuum or an electric motor, in either case, repair is going to require the removal of the dashboard.
Why won't the dash vents work on my 1995 Chevy Camaro but floor vents and defrost vent work fine?
When there is a problem with the vent system it dfaults to the defrost setting. Sounds like you have a problem in the doors that direct the air flow.
Why does Air conditioner work on defrost only and no front vents or floor?
Vacuum leak
Why heat blows out vents only not defrost or floor?
Most likely a bad or disconnected vacuum hose to the defrost/floor selector in the heater ducting.
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
04 Chevy trailblazer why don't defrost and floor vents work but not face vents?
The mode door actuator has failed. We have instructions for repair at www.trailvoy.com
Why does your trucks defrost vents start smoking?
That's probably steam from a leaky heater core.
AC vents blowing through Defrost and bottom vents 05 crown vic?
2003 crown vic air conditioning vent dont blow
Why won't the dash vents work in my 95 Chevy Camaro but floor vent and defrost vent work fine?
the ducts can not be hooked up for the vents to work
Why AC won't blow out of dash vents just defrost vents in a 1996 buick regal?
on your car it is a defalt mode for air to blow out defrost when there is no vacumn from the engine so you should look for a broken vacum line or see if it has come unplugged on the engine.
Selector only stays on defrosted 92 buick?
If the heat selector will not switch from defrost to the dash or foot vents on a 1992 Buick, it is possible that the cable connected to the vent is broken. When the selector is moved from defrost, a cable opens the other selected vents on the heater.
