Air Only Blows Out Of Floor

It does blow cold just cant get it out vents.

Air only blows out of floor.

My question is this. Thank you so much. I just started i checked the air vac answered by a verified jeep mechanic. As stated in the title i am only getting air blowing out of the defrost and floor vents but not the ones in the dash.

I checked under hood from manifold and under dash for bad vacuamn lines and all seems well. The factory vacuum check valve is very hard to get to. Like grumpy and others who gave suggestions on exhaust. Owners have reported several instances of the air conditioning not blowing through main dash vents or only blowing through the floor and defrost vents.

After installing a new blower fan motor the ac would only come out the defrost vents. Also how do i respond on post to say thanks to all that give info. My air conditioning is blowing cold air but it directs the flow to the windshield and floor and not from the vents in the dash. Air conditioning problem six cylinder front wheel drive automatic 113 000 miles.

On the astros when the heat only blows through defrost and floor it s due to a broken vacuum line. It works this way in both the manual and automatic modes. My a c blows out dash defrost and floor only. We use cookies to give you the best possible experience on our website.

Often this is experienced after replacement of the battery. Air only blowing out of defrost and floor jun 28 2016 2 35am. I know there is often a faulty check valve on the vacuum line but are. During battery replacement the control module for the mode actuators may lose its memory.

So i bypassed it. No air from floor vents or defroster vents only front vents. Which part controls the vents in which the air flows.