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Old

Nov 29, 2008 | 04:36 PM

#1

hndamxmn

Thread Starter

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Junior User

Joined: May 2005

Posts: 50

Likes: 0

From: Norco, CA

A/c

My a/c and heater just stopped blowing out of the vents on the dash and will only come out the top where there defrost vents are. Is there an easy fix for this?

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Old

Nov 29, 2008 | 05:56 PM

#2

projectSHO89

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Joined: Jan 2004

Posts: 19,763

Likes: 1,082

From: St Louis

Quote:

Originally Posted by hndamxmn

My a/c and heater just stopped blowing out of the vents on the dash and will only come out the top where there defrost vents are. Is there an easy fix for this?

Go to the HVAC forum and see the FAQs that are posted at the top of the forum.

Steve

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Old

Nov 29, 2008 | 07:09 PM

#3

zack7.3

Elder User

Joined: Feb 2008

Posts: 544

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From: El Paso, Texas

That is because you have a vacuum leak somewhere. The defrost is the default that it goes to if you have a leak. I am guessing your truck is a 4x4 with the ESOF. Most people find that they have a vacuum leak at the hubs.

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ac, blowing, defrost, duty, ford, super

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