Why does a/c blow out of defrost? on 2003 Ford F-150

A/C will only blow out of defrost. The air will not blow out of vents.

by in Statesboro, GA on January 22, 2011
2 answers
ANSWER by 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.
ANSWER by 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. http://www.fordf150.net/forums/viewtopic.php?t=72104
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