F250 Ac Blowing Out Defrost

Automotive Air-conditioning Compressor. Free video to see how to change the cabin air filter on your 2011 Ford F-250 Super Duty XLT 6. Great check to see if you need this part. In talking to others with the same problem, the system was designed to 'fail' in the defrost setting if the vacuum system. Any ideas for me. The leak was. This is with temp set on cold or hot. I'd be looking for a defective expansion valve. With the engine running and the mode control on DEFROST you might pop the hood and make sure the A/C compressor is engaged. 8 liter on Monday. I checked on my F250 7. The expansion valve also meters the amount of low pressure gas that enters the evaporator. If it is just blowing out of the defrost, a vacuum leak may be the cause. Sorry to post out of year, but I'm new here and didnt see anywhere for the 97s. Why does AC blow out defroster vents on 02 ford f250? How do you fix your ac to blow in the correct vents and not just the defroster? AC worked but only blew out the defroster vents. Buy a 2002 Ford F250 Super Duty Blower Motor Resistor at discount prices. It stayed like this for a couple of weeks then just sudenly went back to working correctly for about 2 days. Just about 2 weeks ago the air in my truck decided to only blow out the defrost vents. The air conditioner in my car is not blowing cold air like it used to. Any answers or suggestions are appreciated!. Every used car for sale comes with a free CARFAX Report. Common EATC Issues. You can hear it make a noise when you switch from floor to vents like something is opening & closing but doesn't blow out floor vents very good either. This is a service to rebuild and repair the electronic automatic temperature control (EATC) on 1996 and newer Ford Crown Victoria, F-150, F-250, F-350, Explorer, Expedition, and Excursion vehicles. Was blowing warm air out. but not blowing through the vents. I didn't know anything about the vacuum pump at the time. I think I have narrowed down the issue, but I need some help. I checked for a vaccum leak, and found that one of the auto hub hoses came off the hub. What would cause the Air Conditioning to only blow out the defrost vents in a 1999 Ford F-250 Diesel? Some ford truck hvac systems will default to the defrost setting if the is a problem with the. The fresh air vents in my 2001 Ford F350 were stuck on the defrost mode. com Great Stocks Of 7. ive replaced both check valves, and still no good! whats the deal, b/c its driving me insane!!! thanks- jacob. Best truck I have ever had. Ac started blowing out of the defrost vents only, nothing out of any other vent blows cold Follow. What would cause the Air Conditioning to only blow out the defrost vents in a 1999 Ford F-250 Diesel? Some ford truck hvac systems will default to the defrost setting if the is a problem with the. With a supercharged V8, awesome graphics, and the instantly recognizable custom chassis upgrades, this one goes looking for trouble (because it knows how to pull itself out of almost anything!). And here was what I thought was the culprit: Once you get the HVAC out it is really easy to work on, step 1 however is no fun. 3L Power Stroke Diesel - AC only blowing out defrost vents - As the title implies, that is my problem. i drove a 2000 f350 srw with the 7. This rebuild corrects a common issue with the EATC that causes air to blow out of the wrong vents and/or the defrost. 1999 Ford E150 Air Only Blows Out The Defroster Vents. A/C Only Blowing out of Defrost Vent I have the electronic controller in the cab that adjusts the air conditioning. Air only blows through defrost vents not front vents in my car? Today i noticed my air was no longer blowing out of my front vents where the A/C is supposed to blow out of, instead it was blowing out of the defrost vents along the windshield. 98 ford explorer. You can hear it make a noise when you switch from floor to vents like something is opening & closing but doesn't blow out floor vents very good either. The 2005 Ford F-250 has 2 problems reported for heat a/c control isn't working properly. I was wondering if anyone else has had this problem. 0 L Vulcan engine. When I put the register to defrost it still blows out the dash. If your air conditioner is blowing warm air, or just not working properly, it is best to schedule a service ASAP to maximize your comfort. I cannot find any other vaccum leaks. When I put the register to floor it still blows out the dash. if i try to push the foot air control it shifts 100% to the dash and it wont swith controls unless i tur … read more. The AC system uses compressed refrigerant to cool the cabin when you turn the air conditioning on. Here's a run down of events leading up to this. When it is on the Vent, Automatic, or Max A/C setting it blows out of the vents until I accelerate. Tried all the control settings. That actuator opens and closes the blend door The blend door goes to defrost as default, when there is no Vacuum I don't have an actual picture, but if you look in this one where I replaced the dryer, to the left is the actuator, the line coming out is the one I repaired on this truck, should be white on yours Follow it into the wiring harness. And here was what I thought was the culprit: Once you get the HVAC out it is really easy to work on, step 1 however is no fun. 3 diesel fuel system diagram , source:www. During winter months many heat pumps will need to go through a "defrost" cycle during operation. 5L 4 cylinder, manual transmission, RWD. defroster doesn't blow air. AC, Heater wont blow out of vents, defrost only, quick repair, ford, van, truck, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004. Buy a 2002 Ford F250 Super Duty Blower Motor Resistor at discount prices. But while the fan on the outside unit is running, I can hear something trying to kick on and I'm guessing it is the compressor. Vacuum Pump (Source on Diesels) has no power to it. This rebuild corrects a common issue with the EATC that causes air to blow out of the wrong vents and/or the defrost. Skip navigation Blows Cold Then Warm Ford Superduty 4X4 Inop & Heater Stuck On Defrost Fix. HeaterTreater offers the ultimate solution to blend door repair. Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the driver's selection in their climate control system. Well I think its a bad vacuum pump. Fits 2002 - 2004 Ford F-250 Pickup. Choose top quality brands Dorman. Average failure mileage is 214,200 miles. Take a garden hose and insert it into the inlet tube. air will only come out the defrost vent and not threw the vent when i switch it to vent - Saved searches Used Ford F-250. With minimal input from us, this complex system keeps us warm and the windshield fog-free in the winter, and makes sure we stay cool even on the most sweltering summer days. That actuator opens and closes the blend door The blend door goes to defrost as default, when there is no Vacuum I don't have an actual picture, but if you look in this one where I replaced the dryer, to the left is the actuator, the line coming out is the one I repaired on this truck, should be white on yours Follow it into the wiring harness. Technical Drawings and Schematics - Section F Air Conditioning Parts, Passenger Compartment 1968-1972 F100-F350 - w/integral A/C. I'd be looking for a defective expansion valve. So i am having trouble with my ac and heater. 3L A/C is only blowing out Defrost vents. Ford defroster fix, vacuum leak causing defroster to always blow. Browse your favorite brands affordable prices free shipping on many items. Any suggestions? Thanks, John. Just recently it started acting up. AC doesn't blow out of the dash only the defroster. This typically happens if the engine is too hot, so be sure to check the engine temperature. I just bought a 97 F250 with the 5. Next thing you should do is turn on the fan. A/C blows through Defrost vents. No matter what setting it's on, or speed, it all comes out the defrost vents. The air conditioner won't run properly unless your engine is running. Regardless of the settings on the vent selector I have airflow coming out the a/c vents all the time. 2004 Ford Freestar The A/C works all over the van, even the dash on top and sides, at least that's where I feel it. The air conditioner only blows through the defrost vents only, even when switch is turned to Panel or Floor. If there are questions related to "Low Air Flow From AC Vents - Auto Repair Tips and Tools" that weren't covered, feel free to ask your question below - only truly relevant questions will be published. I can feel the blower motor under the dash turn on, but just to be sure, i undid the 3 screws and observed it turn on when I turned on the switch. If it's hot in a situation of car air conditioner blowing hot air , then it's an engine problem. Let it run for 60 to 90 minutes. not enough air blowing out the vents NEW by: Anonymous Had AC unit replaced , 3 ton Heil out American standard 3 ton in. I've never owned a Ford, but been under the hood more than my fair share of trucks. Just recently it started acting up. When the ac is on and I put it to "max AC" it will revert to the defrost vents. Blower motor runs and then slows down and quits when changed from bottom to vent or from mixed bottom and defrost or any combination from defrost to vents to bottom. This is a Ford EATC electronic automatic temperature control repair service that rebuilds a Ford EATC on 1995 and newer Ford Crown Victoria, F-150, F-250, F-350, Explorer, Expedition, and Excursion vehicles. the truck will fall apart long before that engine gives out. This rebuild corrects a common issue with the EATC that causes air to blow out of the wrong vents and/or the defrost. Problem is no matter what setting I put it on it still blows out of the windshield defrost vents. My guess is that it has switched positions and is not coming out of the center vents anymore, but maybe out the defroster or floor. My blend door went out so my AC did not work. F series and E series ford vans and trucks. Or is it? If your car air conditioner is playing tricks on you and doesn't blow cold air for long, it could be time to visit your local Firestone Complete Auto Care. Air-conditioning noises can indicate proper operation as well as an indication there’s a problem developing or present. Stuck on defrost, stuck on floor. Find many great new & used options and get the best deals for 1996 Ford F-250 XL at the best online prices at eBay! Free shipping for many products!. I had this happen on my work truck but the dealership fixed it. i drove a 2000 f350 srw with the 7. Sensor: Workaround that avoids the replacement of the AC evaporator sensor from all Ford Fusions up to 2012. If this system fails, it is normally due to a leak at the compressor. Air blowing only through defrost vents. I put a new blower in last winter from checker auto parts cause my other one squealed and I seem to remember it working good when I put the new one in. ive replaced both check valves, and still no good! whats the deal, b/c its driving me insane!!! thanks- jacob. 1987 - 1991 Ford F450 Truck. Report Abuse. The mode actuators in this vehicle are vacuum controlled so checking vacuum is the first point in the diagnostic routine. Heater A/C blows Defrost mode, regardless of switch setting There were numerous problems with my F53 truck frame regarding the heater A/C. Start with the fan speed turned to its highest setting. 2011 F250, (gasser, company truck) last week heard what sounded like something had fallen down in the windshield defrost vents didn't think anything of it as I was using the A/C, (dash vents) this morning I started the truck and let it warm up a little, set the controls to defrost the windshield and it just keeps on blowing thru the dash vents. A/C blows through Defrost vents. 0L The hoses on my old pump broke and it was constantly running. Hey guys, just checked my car at lunch and noticed something funny. The Ac Has A Vent Problem It Blows Thru Defrost Then Floor Then Vent. This 1999 Ford E150 van came in with the complaint that the a/c would only blow out of the defroster. 2005 F250 SD, V10 Triton. It would get really warm to the point that I would need to turn it down. The heater works on all settings just doesnt really blow, anyone have some suggestions?. That actuator opens and closes the blend door The blend door goes to defrost as default, when there is no Vacuum I don't have an actual picture, but if you look in this one where I replaced the dryer, to the left is the actuator, the line coming out is the one I repaired on this truck, should be white on yours Follow it into the wiring harness. When the air flow is set to floor only, floor and defrost or defrost only, the air always comes out of the floor AND the defrost but not the dash vents. AC, Heater wont blow out of vents, defrost only, quick repair, ford, van, truck, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004. I can feel the blower motor under the dash turn on, but just to be sure, i undid the 3 screws and observed it turn on when I turned on the switch. It seems to be a problem with a little silver cylinder outside the vent with an arm attached to the flap inside the vent. A simple fix for A/C not blowing from vents. The mode actuators in this vehicle are vacuum controlled so checking vacuum is the first point in the diagnostic routine. A/C is controls are set to max air and max cold on the temp control. Ac started blowing out of the defrost vents only, nothing out of any other vent blows cold Follow. HeaterTreater offers the ultimate solution to blend door repair. 157k miles. Then again I started it later and got the AC to blow correct out vents but once I got up to 35-40MPH it started going to defrost again. it's fixed, and i saved a ton of money. Advance Auto Parts has 13 different Air Blend Door Actuator for your vehicle, ready for shipping or in-store pick up. Quick Fix (workaround) Ford Fusion AC Evap. The heater works on all settings just doesnt really blow, anyone have some suggestions?. Fix your car's head and A/C in as little as an hour and save up to $1493 in replacement parts and labor costs!. Old wiring or a blown fuse can cause a disconnect. DIY 1$ fix for the air been blowing from the defroster vents: Air con blowing out of defrosters and not through the vents: A/C blows through defrost vent: A/C, Heat, Fan, etc only blows out defrost vent: The heater/ac only blows out the defroster vents. With these readings a logical path of diagnosis can get your AC blowing cold as it should be. During winter months many heat pumps will need to go through a “defrost” cycle during operation. Stuck on defrost, stuck on floor. 2001 F250 Ac Blows Out Defrost. if it's an automatic, i hear the tranny is the weak part. The vents all work when I change from vent to defrost to floor. Check prices & reviews on aftermarket & stock parts for your 2009 F-250 Super Duty Air Blend Door Actuator. Problem is no matter what setting I put it on it still blows out of the windshield defrost vents. No air from floor vents or defroster vents, only front vents. Maybe a few months after, no air came through the front vents - it only came from the defrost vents. Cooling, Heating, Ventilation & A/C - ac blows cold air out defrost vent only - My 06 F250 crew with the 6. Choose top quality brands AC Delco, API, Dorman, Forecast, Four Seasons, Motorcraft, Standard Motor Products, Vemo. Quick Fix (workaround) Ford Fusion AC Evap. A few minutes later, it stops blowing out of the vents and blows out of the defroster. If the air temperature near the unit is below the dew point, this causes water vapor to form in the air and condense into water droplets, thus causing the fog. Adding Freon to Car AC - Gauge Readings Explained. Best truck I have ever had. The heater works on all settings just doesnt really blow, anyone have some suggestions?. Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the driver's selection in their climate control system. Here's a run down of events leading up to this. When I drive at highway speed, say 55 or more then stop at a stop sign or light it starts blowing hot. During the actuator check there was no air blowing out of the defrost vent during any of the 8ish positions it runs through. Regardless of what setting i have it on, the air only comes out of the dflefroster and a little on the floor. This is with temp set on cold or hot. My heat works fine. 3L Diesel and ran the climate controls and the vacuum pump ran for a bit then shut off, and in that truck I am getting air out of the vents and to the floor so that truck is working fine. 3 Diesel Fuel System Diagram - From the thousands of Pics on the net concerning 7. The AC system uses compressed refrigerant to cool the cabin when you turn the air conditioning on. When the ac is on and I put it to "max AC" it will revert to the defrost vents. Any answers or suggestions are appreciated!. Hey there I am new to the forum. Ford F-Series F-250 F250 (2015) - fuse box diagram. There is no air coming from the vents, but when it does it's not cold air Read this. If this system fails, it is normally due to a leak at the compressor. The fresh air vents in my 2001 Ford F350 were stuck on the defrost mode. I just had my air conditioner replaced. When I let off and quit accelerating, the air goes back to blowing out of the. i got 325k off the original though. SOURCE: air conditioner will only blow air out the Defrost is the default when the controller is not receiving vacuum from the intake manifold. And, when your windows are fogged over, having fully functioning AC speeds up defrost time. 2004 Explorer that has A/c issue. This is an electric HVAC system so you may have a problem with the MODE valve actuator motor. My wifes ac is coming out cold, but very very little. Order your parts online or pick them up in-store at your local Advance Auto Parts. 2L SOHC 2-valve Flex Fuel V8 engine, TorqShift® heavy-duty 6-speed SelectShift™ automatic transmission and more. 2) engage 4 x 4 using dash control. We have 7,763 Ford F-250 vehicles for sale that are reported accident free, 5,267 1-Owner cars, and 4,503 personal use cars. Ford defroster fix, vacuum leak causing defroster to always blow. hi there i have a 86 F-150 and i have a problem with my A/C not switching from top vent to either defrost or floor vent. Browse your favorite brands affordable prices free shipping on many items. Already replaced blender motor (was clicking) and also replaced resistor and same problem, however, when speed is on 3rd fan speed with heater on full and blowing out the bottom. The problem has not been fixed because the cost will be $1200. AC blowing hot or warm air? Want to figure out what the problem is before calling an air conditioning professional? This article is for you. I have f250 diesel 4x4 2003 My climate control is stuck on defrost, my question is, where is the vacume pump located? Check out our discussions on the Ford Escape. If the expansion valve malfunctions where it fails to open while the AC compressor is operating, this will dead-head the compressor where the pressure builds in the high pressure hose and blows the hose off. After the ac has ran, even the night before, when I get back into my pickup and start the fans with the ac off now it blows moist air and fogs the window. When I put the register to defrost it still blows out the dash. Why does AC blow out defroster vents on 02 ford f250? How do you fix your ac to blow in the correct vents and not just the defroster? AC worked but only blew out the defroster vents. Best truck I have ever had. Vintage Air is owned and operated by experienced street rodders who have been involved in the sport for over thirty years. not dash vents. When I drive at highway speed, say 55 or more then stop at a stop sign or light it starts blowing hot. Be careful how much water pressure you turn on in the hose. When you turn the selector to blow either on the floor or the defroster there is always some air blowing from the dashboard vents. My heater will blow hot air and I'm not sure about a/c (I cut the belt). 0 L Vulcan engine. Just about 2 weeks ago the air in my truck decided to only blow out the defrost vents. If I have the knob set to defrost the air only comes out of the defrost vents. Even if engaged a low state of refrigerant charge could lead to foggy windows. If you have a knob with an OFF setting, then the air damper for the outside fresh air will close in the OFF (and max ac) settings. Dealership told me it was a redirection of power when I accelerated. not enough air blowing out the vents NEW by: Anonymous Had AC unit replaced , 3 ton Heil out American standard 3 ton in. Get the best deals on A/C & Heater Controls for Ford F-150 when you shop the largest online selection at eBay. To exit the self-test and clear all DTCs, press the DEFROST button. It was 35 this morning. We have 7,763 Ford F-250 vehicles for sale that are reported accident free, 5,267 1-Owner cars, and 4,503 personal use cars. Average failure mileage is 214,200 miles. Air Conditioning Tools 2003 Ford Explorer AC Not Cold Enough remove the trim panels from the sides of the dash and the defrost trim from the top. Everything about cars Skip to content. OK this has been bugging me since I got the Bronco and now it's getting to be annoying, the heater won't switch from Vent to Defrost you can hear the vacuum "suck" the flap to change it shut but it doesn't change it just keeps blowing out of the Vents, it'll fog the windows up and not unfog them so seeing becomes a hazard. There are. No matter what setting it is in, max ac, norm ac, vent, floor, defrost, or whatever else, the air comes out of the floor and defrost at the same rate (max isn't faster than normal ac). The blower is (obviously) working and the outside fan is running also. Average failure mileage is 55,000 miles. The was one noticeable click sound at the end of the actuator check cycle (when it returns to position 1) but no repetitive clicking and the sound didn't seem out of the ordinary to me. ( i dont think it has to do with the SCT anyway). It's the same for the defroster and the floor vents blow even less. But when it's on 1/2/ or 3 I hear the motor working, but there is no air blowing. If the light comes on, you have power. Maybe 2 years ago, heat and air worked fabulously. Report Abuse. ac was blowing on high but only about 50% of air was coming through vents, took to ford and they fixed and then in winter found that heater was blowing on high but. What would cause the Air Conditioning to only blow out the defrost vents in a 1999 Ford F-250 Diesel? Some ford truck hvac systems will default to the defrost setting if the is a problem with the. This is an electric HVAC system so you may have a problem with the MODE valve actuator motor. 2006 ford f250 6. You can read more here and make your cookie choices. Air conditioning units kicks on, but not blowing through the vents. Disconnect both wires from either side of the defroster grid and touch one end of your tester to each wire. 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. Heater A/C blows Defrost mode, regardless of switch setting There were numerous problems with my F53 truck frame regarding the heater A/C. If the bad smell is coming directly out of the cars air conditioning (A/C) system then there are a few methods to try. What would cause the Air Conditioning to only blow out the defrost vents in a 1999 Ford F-250 Diesel? Some ford truck hvac systems will default to the defrost setting if the is a problem with the. Any answers or suggestions are appreciated!. air will only come out the defrost vent and not threw the vent when i switch it to vent - Saved searches Used Ford F-250. Old wiring or a blown fuse can cause a disconnect. After the ac has ran, even the night before, when I get back into my pickup and start the fans with the ac off now it blows moist air and fogs the window. 1999 Ford E150 Air Only Blows Out The Defroster Vents. Can't get the AC to come out of anywhere other than the windshield defrost vents. FOUR SEASONS 73202. I had this fixed once before at a shop but I know it is a vacuum leak in the pass. Ac only blows out defrost vent, not front vents. My first problem is that I have been unable to locate the vacuum canister on this vehicle. Dash air vents only blow thru defrost vents on the air vents blow thru the dash defrost vents, not so good for a/c! its been pretty low priority since the AC. why doesn't my front defroster work? I can have the defroster cranked up to the max, with the lever on cool or warm and it'll blow for 10 + minutes and still not do a **** thing. AC doesn't blow out of the dash only the defroster. 349 listings starting at $2,100. No matter what setting it's on, or speed, it all comes out the defrost vents. Depending on your water pressure, some hoses can run up to 100 lbs. 0 motor - Answered by a verified Ford Mechanic. Look for the small vacuum line going from the engine intake manifold to the firewall and trace it to the control switch. AC is only blowing through the defrost vent - My AC is only blowing through the defrost vent. air will only come out the defrost vent and not threw the vent when i switch it to vent - Saved searches Used Ford F-250. Look for the small vacuum line going from the engine intake manifold to the firewall and trace it to the control switch. My ac only blows out the defrost vents. my motor home is a 2000 itasca suncruiser. - Answered by a verified Ford Mechanic. I'm not sure where to go next. 2007 Ford 500 with 70k miles. The Ford F-250 Super Duty is a diesel pickup truck that was first introduced to the market in 1999, and after four generations, is still being produced. but not blowing through the vents. I just had my air conditioner replaced. No matter what setting it's on, or speed, it all comes out the defrost vents. Average failure mileage is 55,000 miles. Used Chevrolet Silverado 1500HD. 349 listings starting at $2,100. What would cause the Air Conditioning to only blow out the defrost vents in a 1999 Ford F-250 Diesel? Some ford truck hvac systems will default to the defrost setting if the is a problem with the. 3L A/C is only blowing out Defrost vents. 3L Power Stroke Diesel - AC only blowing out defrost vents - As the title implies, that is my problem. I just bought a 97 F250 with the 5. when you pop the hood it sounds like air is coming out of the ac lines. 2000 Ford F250 DieselAir Conditioner blows out defrost ventsMy husband did a break job shortly before he died. Make sure the rear defroster switch and the ignition key are turned on. All, Air conditioner blows from defrost vent. He said he had to change a check valve and a AC reservoir. We have 7,763 Ford F-250 vehicles for sale that are reported accident free, 5,267 1-Owner cars, and 4,503 personal use cars. You can read more here and make your cookie choices. That actuator opens and closes the blend door The blend door goes to defrost as default, when there is no Vacuum I don't have an actual picture, but if you look in this one where I replaced the dryer, to the left is the actuator, the line coming out is the one I repaired on this truck, should be white on yours Follow it into the wiring harness. SOURCE: air conditioner will only blow air out the Defrost is the default when the controller is not receiving vacuum from the intake manifold. The leak was. It was 35 this morning. Ford defroster fix, vacuum leak causing defroster to always blow. There are. Look for the small vacuum line going from the engine intake manifold to the firewall and trace it to the control switch. AC blowing hot or warm air? Want to figure out what the problem is before calling an air conditioning professional? This article is for you. I can feel the blower motor under the dash turn on, but just to be sure, i undid the 3 screws and observed it turn on when I turned on the switch. It's hot outside but cool in your car. The vents all work when I change from vent to defrost to floor. This rebuild corrects a common issue with the EATC that causes air to blow out of the wrong vents and/or the defrost. Replaced Heil do to age, but worked great just getting loud. I did try two methods for retrieving codes. 2006 Ford F-250 AC / heater problems with 5 complaints from F-250 owners. Air still coming through defrost, visually inspected lines going to hubs, look fine. I think I have narrowed down the issue, but I need some help. But the problem I have is not that it ALWAYS blows through the defroster. On my F350 the vacuum pump didnt run at all when I turned the climate controls on. Ford F350 AC only blowing through defroster vents User Name: sprung into a bigger leak which caused the heat and air to only blow out of the defrost. Hey guys, just checked my car at lunch and noticed something funny. I am a crop insurance adjuster and am in and out of wheat and cotton fields all day long and when I first go into a field (creeping along at just above idle speed) and if the pick up gets jarred around really good, the air will transfer from the dash vents to the defroster. When I put the register to defrost it still blows out the dash. But when it’s on 1/2/ or 3 I hear the motor working, but there is no air blowing. If it still blows cold, but comes out the floor or defrost vent, its a vacuum issue. AC blowing hot or warm air? Want to figure out what the problem is before calling an air conditioning professional? This article is for you. You have to take the A/C lines off (so you have to take all the refrigerant out) and the heater core lines so you also have to drain your coolant, also the dash is in the way, here are some pics from when I tore mine apart. The Ac Has A Vent Problem It Blows Thru Defrost Then Floor Then Vent. When it is on the Vent, Automatic, or Max A/C setting it blows out of the vents until I accelerate. OK, this forum just saved me a bundle of cash. Mechanic told me vacuum was fine and he wasnt sure what it could be. Has a fifth wheel ball. The heating, ventilation and air conditioning system keeps us comfortable in our vehicles year-round. I have only one issue that I have taken in to the shop for and it has re-occured. I was missing the temperature control knob, and it didn't seem like the heater was blowing correctly. But the problem I have is not that it ALWAYS blows through the defroster. Buy a 2002 Ford F250 Super Duty Blower Motor Resistor at discount prices. com Great Stocks Of 7. 2005 Ford F-250SD LARIAT. Alternatively, you could also have a leak in the seals around your door, windshield or firewall—all of which could be soaking the floor as well. Why does AC blow out defroster vents on 02 ford f250? How do you fix your ac to blow in the correct vents and not just the defroster? AC worked but only blew out the defroster vents. If the light comes on, you have power. So i am having trouble with my ac and heater. The mode actuators in this vehicle are vacuum controlled so checking vacuum is the first point in the diagnostic routine. I replaced the belt and air filter with the last oil change about 300 miles ago. If the light comes on, you have power. Depending on your water pressure, some hoses can run up to 100 lbs. Cooling, Heating, Ventilation & A/C - ac blows cold air out defrost vent only - My 06 F250 crew with the 6. Sam Spade •. Surprisingly enough, the only issue this trusty rusty has is that, while driving, if it goes over 35mph, the AC stops blowing. What would cause the Air Conditioning to only blow out the defrost vents in a 1999 Ford F-250 Diesel? Some ford truck hvac systems will default to the defrost setting if the is a problem with the. 349 listings starting at $2,100. The 2005 Ford F-250 has 2 problems reported for heat a/c control isn't working properly. My blend door went out so my AC did not work. I have had this issue for awhile. I went behind the glove box and. Is it more likely to be a vaccum issue or the diverter that is not moving properly. Why does AC blow out defroster vents on 02 ford f250? How do you fix your ac to blow in the correct vents and not just the defroster? AC worked but only blew out the defroster vents. Here is why your Ford F-150 or Super Duty's vent is only blowing hot or cold air. When the a/c is set on normal vent, the defrost vents blow a little bit of air out. In talking to others with the same problem, the system was designed to 'fail' in the defrost setting if the vacuum system. What problems do Ford Flex Visibility Defroster, Defogger System Windshield Blower drivers report?: 2. Just recently it started acting up.