ac blows thru deforst on 1998 Ford Mustang

my ac blows cold air but it only blows thru the defrost vent what is wrong with it and what do i do to fix it

by in Cerro Gordo, NC on April 26, 2010
1 answer
ANSWER by , April 12, 2011
check under the hood by the driver door and make sure the small vacum hose is hooked up and not broke cause my buddy has a 97 and that is what was wrong with it