I have installed a new blend door actuator (at the passenger side) and realized after the fact that wouldn’t have helped my issue. Thanks, Trap. Feb 28 2019, 8:04pm. KEN Both hoses are hot. Thanks, Trap. 1 on the passenger side and #2 is by the break pedal? I have a 2011 f150 lariat 4x4. Lastly, even when I’ve searched for “mode door actuator” and similar terms on different auto parts websites, I’ve only come up with the blend door actuator (which I’ve already replaced) so I don’t even know what the mode door actuator looks like, making my attempt at searching for it come up empty. Ask for FREE. My question is this: which part controls the vents in which the air flows? Air only comes out on floor and defrost at the same time. I don’t know if it was also happening when blowing heat from the vents though as it was summer time when I noticed the drop in air flow. This door is controlled by a thumb wheel that when activated will open and close the vent air flow door. I didnt want to have to take it to the dealer for them to over charge me. Everything else seems to be working as far as heat to air & air speed just doesn't change to the vents. There is a vacuum check valve somewhere in the hoses leading to the HVAC control unit. I have a 97 z71 and the AC blows pretty cold, but that isnt my problem. The air conditioner blows cold air but switches from front vent 2 floor 2 defrost vent simultaneously. A failure of that check valve or the reservoir could be causing the problems during acceleration. Re: ac only blows from floor vent,does not blow through... You may need to pull the battery cable to clear the memory codes. 12/01/2018 by Please help, this is my wife's car and she is panicking because defrost won't work. Lastly, where would the mode door actuator be located in the van (driver side dash, passenger side dash, etc)? I would appreciate any help I can get on this issue as I would like to get my A/C working ASAP! My heater won't switch between defrost, floor heat or vents. When you push the button for it to blow out of dash vents buttton lights up but air stays on floor and defrost. This 1999 Ford E150 van came in with the complaint that the a/c would only blow out of the defroster. I suspect it is the mode door actuator but I have no idea where that part may be located in the van. Step 1 - Most air control vents are equipped with a … Find aftermarket and OEM parts online or at a local store near you. My guess is that its behind or under the dash and if I need to remove it I will but I’d prefer to keep the disassembly to a minimum. Not through vents. 02/08/2019 by What's the problem and how do I fix it? What if I replaced blem door and still doesn't work properly, You will need to check the vent actuator to see if its functioning. Air only blows through the defrost vents in my truck? 2008 cts only blows air through floor vents. Owners have reported several instances of the air conditioning not blowing through main dash vents, or only blowing through the floor and defrost vents. In all honesty, I’m not looking to pull the dash/heater core/etc if I can avoid doing so but if need be, that’s what I’ll do. SPONSORED LINKS. why is does air only blow through floor vents or defrost vents? Air only blows out of front vents (not from bottom heater or defroster) on 2002 Buick LeSabre I am only getting air to come out of the front vents of the dash. Work the thumb wheel from one side to the other while checking the airflow. Sep 10, 2008 at 5:10 PM #1 My blower speed works fine. Air filters do their best to keep dust and dirt out of your HVAC system, but unfortunately, they can only do so much. It controls the changing of air out different vents. Monday, April 23rd, 2018 AT 7:26 AM. There are two types of actuators , electric or vacuum . I have installed a new blend door actuator (at the passenger side) and realized after the fact that wouldn’t have helped my issue. Air only blows out the defrost on the dash. Not through vents. After a few hours of initial research, I did read that it is likely the mode door actuator and I still suspect that to be the issue but I have not been able to find any solid information as to where it is located. There were several new part numbers (due to redesigns) on the HVAC case. I may have to do that eventually but I’d like to explore less involved options first and narrow it down from there…. What happens is that it warps, causing the doors to stick and not move or move erratically. My blower speed works fine. The control head determines which damper opens and closes. which could be in the lines to the actuator or the actuator itself . My 09 Enclave had this issue, and indeed it's a blend door problem. Otherwise, the controller could have failed or something with a blend door. Air will not blow from air vents it only blows from the defrost vent. defog or front or feet) anyways i can feel it turning so i know the actuator is working but the air … The A/C and heat work fine but only blows out the defrost vent on the dash. . Community Experts online right now. I have a 2014 Ford Taurus doing same thing, 09/24/2018 by The dash vents are the only vents that work. Yes. 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. No defrost or dash air when you try to control flow. Both should be hot. I’d think so but would that also cause air to barely blow out of the same vents when not using AC and/or heat? Often this is experienced after replacement of the battery. This 2005 GMC Sierra came in with the complaint that the air will only flow from the defroster vents, regardless of where it is commanded to. I can switch it from hot to cold no prob. Do they circulate coolant to the heater core? There is a vacuum hose splice connector under the hood on the passenger side of … Continue reading "1999 Ford E150 Air Only Blows Out The Defroster Vents" How to Fix No Air Coming From Vents. I can switch it from hot to cold no prob. No filter is perfect, so you will still have some particles get through. The air blows cold just not through my vents. Thank you in advanced for any and all help! Is there another term for “mode door actuator” that Ford may use for the part? Air only blows out of front vents (not from bottom heater or defroster) on 2002 Buick LeSabre I am only getting air to come out of the front vents of the dash. Why would air only blow out the floor vents and the two outside dash vents not out the center dash vents or the defroster no matter what setting the Heat and air controls are on in a 2003 Ford Taurus? If you have air flowing only through the vents with no defrost or floor, this door is failing. 2015 Ford Taurus - Heat blows through defrost only 3 Answers. ... Air only blows through front vents not through the floor vents or defroster . Have a shop scan your problem. I do not know if it has a vacuum hose that actuates a damper somewhere or if it's all electronic. Airflow … If its electric you may simply have a blown fuse or it could be a bad actuator, if its vacuum you would need to look for leaks in the system. SURESS NOLAND ... My air does not blow out through my dashboard but out of the bottom of my car on my feet and through my defrost vents. In particular, the blower motor may be failing or the blower wheel may be slipping from the blower motor shaft. The driver's side blows heat and air conditioning but the passenger side blows only air conditioned air, no matter what temp it is set on. You need:1) identify the problem as above (ie: no air (hot/cold) from ducts or windshield); 2) have someone scan the problem and identify which of the three is bad; 3) get your part with VIN number; 4) change, DIY or auto shop. The one that was broken for me was the one that controls where the air flows, which was located on the drivers side next to the break pedal. No defroster air or air going to the floor. It is blowing cold air, but will only blow from the floor and defrost. Had one mechanic look at and he replaced the blower motor which did not fix problem but another story as I was pissed they ripped me off as it did not fix problem. These are usually located behind the dash. I had the same problem, actuator by the brake peddle. I was told by a freind to check the vac. Relevance. August 12, 2011. No air from floor vents or defroster vents, only front vents. 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! 1 Reply. No Air Coming From Vents. Ask Your Question Fast! You may have either crossed your vaccum lines or when you were putting your heater/ac box back together or you may of pinched the vents somewhat closed. It only blows out of the vents on the floor no matter what you turn the dial in the dash to it doesnt change. Ford F-150 (2009-2014) :: AC Blows Through Floor And Defrost Vents Only. I have a 2014 ford Taurus SEL that's currently having this issue. What year model is the truck? Any idea where to start looking? Ford F350 AC only blowing through defroster vents. There are two, one that controls hot/cold, and one that controls where the air flows. 2015 Ford Taurus - Heat blows through defrost only 3 Answers. Re: AC/Heat only blows through all vents, Help! Roberto Marquez, © 2020 iFixit — Licensed under Creative Commons — Privacy — . I have the same problem and actually there are 3 of those things. No. - Oldsmobile 1996 Ninety Eight Regency question Ford A/C :: Cold Air Only Blows From Defrost And Floor. buzz1 in Stockton, CA on . Occasionally i can feel AC or heat coming out through the dash vents but it's real faint and doesn't last,it blows mainly through the defrost vent and floor vents. 2007 GT 3.5 Coupe 65k AC or not, only blowing air through defroster and floor. With the engine running at operating temperature check the 2 hoses that run from the engine to the firewall. Thank you so much. It blows hot air so I don't think there is anything wrong with they heating system. Any suggestions. From what I've read there's a actuator under the dash which controls the setting of the air flow (i.e. bea_atine_49. My 2001 4x4 S-10 just blows air out of the dashboard vents no matter where the switch is. Thank you again for any help you can provide and please be safe out there with all this COVID-19 stuff hitting the fan. Are they? Step 1 - Most air control vents are equipped with a flow control door that is located at the vent outlet. I have the same issue on my 2008 Ford Escape. 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. Accessibility. where are actuators located - Chevrolet 2004 TrailBlazer question Re: AC blows cold air in floor vents when set to top vents o Wed Oct 08, 2014 5:36 am NightHawk wrote: I tried that the other day and I couldn't feel any air flow down by my feet on my FFE with A/C with high fan and set for panel vents only. Set the temperature control dial on Max Cool. I have an '08 350 with less than 82K miles. Started having issues with the blend door actuator located behind the radio so replaced that a couple months ago and fixed issue. My tundra ac is working but it only blows through the defrost vents. this is a common check valve but there are others. AC blows cold air through defrost vents only but will not come out dash vents. I have a 1991 S-10. That being said, is there any online resource that I could use to find what I’m looking for (specifically a vacuum hose diagram and related information)? Categories Arts & Humanities. I have a 2010 f-150. Look above the brake/gas pedals to see if it’s located there. Easy step by step guide one how to troubleshoot and repair vent low air flow, this article pertains to most vehicles. My 2015 Ford Taurus Limited will only blow heat through the defrost vents. Everything gets hot and cold and the fan motor works great but it's all just stuck on blowing the air out of the vents. . The dash vents are the only vents that work. Already tried to reset the ac module. Yes it will blow cold or hot as you control the temp. I get good heat and air conditioning from my front vents, but when I select floor or defrost vents, the air still only blows from front vents. There is just no air from floor vents or defroster. this problem just started yesterday. The actuator is a controller that opens and closes the flapper that direct the airflow from the fan . Press and hold the recirculation control button. Classic signs of a vacuum leak in the HVAC system controls, assuming your system is vacuum controlled (you haven’t told us the year of your van). I get good heat and air conditioning from my front vents, but when I select floor or defrost vents, the air still only blows from front vents. How do I determine what the cause is? I have a 2010 Ford Escape that was doing the same thing, ended up being the Air door actuator. As I said before, I did replace the blend door actuator but realized afterward that doing so was pointless as the temperature selection knob has been working well (hot air when selected, cold air when selected, and AC when selected). Powered by Discourse, best viewed with JavaScript enabled, Air only blows out floor and defrost vents, Ford F-150 HVAC Control Vacuum Check Valve | Advance Auto Parts. @rmarquez1958. Low prices on HVAC Control Vacuum Check Valve for your Ford F-150 at Advance Auto Parts. So, what happens is that if there is a vacuum leak in the system, the … How do I determine what the cause is? 8 years ago. Heater working but only blows out front vents. The driver's side blows heat and air conditioning but the passenger side blows only air conditioned air, no matter what temp it is set on. No heat to feet or defrost. Air only blows out the floor board and defrost, not the dash vents. Difficulty Scale: 3 of 10. The vacuum is supplied by the engine and the vacuum is distributed to Air Dampers that divert the airflow to the floor/vent/defrost vents. Roberto Marquez. Discussion ... that is not directing the air flow to the other vents. Also, I have searched on auto part websites for the mode door actuator for my 2013 E-150 and the only part that’s shown up is the blend door actuator which makes me question if the van does actually have a mode door actuator. 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