A/C will only blow out of defrost. The air will not blow out of vents.
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2003 Ford F-150 Question: Why does a/c blow out of defrost?
Answer #1DaveJHM January 23, 2011, 04:04Master
You have a vacuum leak somewhere in the dash. Check all vacuum hoses under the dash to make sure they are connected.
Visitor, April 04, 2011, 11:07
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.