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Why does a/c blow out of defrost?

(2003 Ford F-150)
in Statesboro, GA on January 22, 2011
A/C will only blow out of defrost. The air will not blow out of vents.
Displaying 2 answers & 0 comments
Popular Answer
on April 04, 2011
Go to this web site and following the instructions. Its simple and it fixes the problem. Cost very little. I did it and it did fix the same problem your having.
on January 23, 2011
You have a vacuum leak somewhere in the dash. Check all vacuum hoses under the dash to make sure they are connected.
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