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1991 Chevy G20 van- Why won't airconditioning blow out of dash vents instead of defrost and heat vents?
Wiki User
∙ 12y ago
I had a Chevy van of this vintage and I found a vacum hose leak in the controls that would make the heater/defrost door default too defrost open. lisining carefully under dash or under hood may pinpoint leak.
I had a Chevy van of this vintage and I found a vacum hose leak in the controls that would make the heater/defrost door default too defrost open. lisining carefully under dash or under hood may pinpoint leak.
Wiki User
∙ 12y ago
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...when you turn on your AC in your 1996 Jeep Cherokee and cold air only comes out of defrost and floor vents instead of your main vents. How do you fix?
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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.
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.
Why does Air conditioner work on defrost only and no front vents or floor?
Vacuum leak
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
Can budgie live in air condition room?
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Why does your trucks defrost vents start smoking?
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