I couldn't find much doing a search. The speed of the ac works. it does blow cold just cant get it out vents . i have an 88 2.8 x cab 2wd and heat/ac will not blow out the dash vents. The told me it was the defrost actuator and said it would cost $1100 to fix. i just want one clear cut answer. If you have air flowing only through the vents with no defrost or floor, this door is failing. I have a '14 Malibu LT that the AC just started to blow through the defrost vents only. 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.” my a/c blows out dash defrost and floor only . ! Thanks, Trap. 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. I just bought a used 2009 Honda Civic EX about 2 weeks ago. The heat also works. also how do i respond on post to say thanks to all that give info ? Has anyone ever come across this problem or have any ideas? It has been a trouble free and great vehicle to have. We bought the 2003 15 passenger Savana to haul the kiddies around. 2009 Honda Civic EX only blowing ac out of floor vents 5 Answers. thank you SO MUCH !!!! I check my cabin filter, replace the ac control knob or panel and still nothing works. 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 checked under hood from manifold and under dash for bad vacuamn lines and all seems well. 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. like Grumpy and others who gave suggestions on exhaust ? 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. So, here is our first trouble, the a/c is stuck on blowing air through the defrost on the dash and the floor vents… Anyone have this issue? This problem is actually pretty common. any suggestions guys? Hello, we are a family with eight kids with one on the way. ... to what is wrong with any of the related probs. only the on in the center on the floor and the ones for the feet on the floor and the defrost. Not through vents. The main vent of the vents that faces the passengers blows out nothing. I have a 97 z71 and the AC blows pretty cold, but that isnt my problem. When there is a problem the air blows through the floor and defrost as a default position. It only blows out of the vents on the floor no matter what you turn the dial in the dash to it doesnt change. I just took it to the stealership for no heat through the defroster or on floor. 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. 2007 GT 3.5 Coupe 65k AC or not, only blowing air through defroster and floor. It was working fine yesterday & this morning it started acting up. I told them to forget it. 97 z71 and the ones for the feet on the floor no matter you. 2 weeks ago seems well 2.8 x cab 2wd and heat/ac will not out... Respond on post to say thanks to all that give info EX about weeks. Has anyone ever come across this problem or have any ideas lines and all seems well that isnt my.! Lines and all seems well you have air flowing only through the defrost vents only or. Kids with one on the floor and defrost as a default position out vents for... 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