When there is a problem the air blows through the floor and defrost as a default position. 2009 Honda Civic EX only blowing ac out of floor vents 5 Answers. Air only blows thru dash vents, no defrost or floor heat... Jump to Latest Follow ... Ford King RAnch Diesel F250 has been a great truck compared to my 2008! I check my cabin filter, replace the ac control knob or panel and still nothing works. ... to what is wrong with any of the related probs. When air is pulled through the return vent (before being heated or cooled by the system), it first passes through a filter to filter out allergens, dust, dirt, and more. it does blow cold just cant get it out vents . If you have air flowing only through the vents with no defrost or floor, this door is failing. This problem is actually pretty common. I told them to forget it. I have a 97 z71 and the AC blows pretty cold, but that isnt my problem. Ac only blows from floor vent,does not blow through dash vent My ac will not blow through the dash vent,but will blow cold through floor vent Posted by Jim Leja on Jul 13, 2012 when changing from ac blowing to the face and leg to defrost u can here it switch but no ac comes out of the front vents. Thanks, Trap. The told me it was the defrost actuator and said it would cost $1100 to fix. We bought the 2003 15 passenger Savana to haul the kiddies around. Anyone have this issue? The heat also works. i have an 88 2.8 x cab 2wd and heat/ac will not blow out the dash vents. 2007 GT 3.5 Coupe 65k AC or not, only blowing air through defroster and floor. Today when I went to put the Max AC button on I noticed the air was only coming out of the vents in the floor. thank you SO MUCH !!!! Hello, we are a family with eight kids with one on the way. It only blows out of the vents on the floor no matter what you turn the dial in the dash to it doesnt change. According to ENERGY STAR, “In a typical house, however, about 20 to 30 percent of the air that moves through the duct system is lost due to leaks, holes, and poorly connected ducts.” Has anyone ever come across this problem or have any ideas? also how do i respond on post to say thanks to all that give info ? any suggestions guys? I just bought a used 2009 Honda Civic EX about 2 weeks ago. I just took it to the stealership for no heat through the defroster or on floor. I couldn't find much doing a search. my a/c blows out dash defrost and floor only . The speed of the ac works. The main vent of the vents that faces the passengers blows out nothing. i just want one clear cut answer. Not through vents. I have a '14 Malibu LT that the AC just started to blow through the defrost vents only. If you’ve got just a little air coming through the vent, the ductwork leading to the room may be leaky or full of holes. only the on in the center on the floor and the ones for the feet on the floor and the defrost. So, here is our first trouble, the a/c is stuck on blowing air through the defrost on the dash and the floor vents… like Grumpy and others who gave suggestions on exhaust ? i checked under hood from manifold and under dash for bad vacuamn lines and all seems well. ! It was working fine yesterday & this morning it started acting up. It has been a trouble free and great vehicle to have. All that give info AC blows pretty cold, but that isnt my problem a... I have a '14 Malibu LT that the AC blows pretty cold, but that isnt problem! A default position vents only but that isnt my problem been a free... That isnt my problem gave suggestions on exhaust air blows through the floor the! Ac just started to blow through the floor and the defrost actuator said! 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