2001 F250 Ac Blows Out Defrost

Low Air Flow From AC Vents - Auto Repair Tips/Tools restricted causing less air to blow out of the vents. when i let off the pedal, the air begins to blow out of the normal vents again. Max AC doesnt really do anything and the vent cuts out more often when I try to use it. This rebuild corrects a common issue with the EATC that causes air to blow out of the wrong vents and/or the defrost. Built as a direct fit substitute for OEM part number 5014108AA, the Upper Defrost Door Lever is made out of black plastic by Omix-ADA. Buy a 2001 Ford F250 Super Duty A/C High Side Pressure Switch at discount prices. Problems seems intermitent, but usually blows out of defrost. An easy fix is to remove a shim, if the field coil is weak you will need a new clutch. The air blows strong just not through the front air vent. Air conditioning flow control, often fails on higher mile Ford trucks that use electric vacuum pumps that create suction. A/C out of defrost only My Check Engine light is on and the code reader says "EGR valve excessive flow detected" would this have anything to do with my problem of my air being stuck on air conditioning and it only coming out of the defrost vents?. I've checked the vacum lines and controls, everything seems to be working. On 1997 through 2006 Jeep Wranglers the air flow from the air conditioning will stop blowing out of the a/c vents, and the floor outlets. Fan Only Blows Defrost, Won't Change To Floor Or Vent. Where are the vacuum lines for the front vents? A. Heater, a/c, and just the fan will only blow out of the defrost. The air conditioner blows cold air but it only comes out of the floor or defrost, not the front vents. 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. Does the air keep blowing, but just gets warm, or does it start to blow out the defrost vents vice the console vents? If it changes vents, it could be a vacuum leak, where vacuum is strong enough to move the vent door actuator, until you mash on the gas, vacuum goes down, and then the actuator spring overcomes the vacuum. Your external/re-circulation actuator is probably bad too. Answer: If the air conditioning / heater fan is still blowing, then the air must be going somewhere. Also, recirc does work as it gets a lot louder from the sound of sucking the air in from inside the cabin, and I can direct air to the defroster. I'm not sure where to go next. I'm guessing there is a door somewhere that directs the airflow. • Finally select defrost If nothing cold comes out during that, with engine still running, check out the pulley arrangement on the AC compressor (That's the lowest and furthest forward of all the pulleys) The outer end should rotate when AC is on and stop when AC is off. Hopefully this weekend I will have a chance to look at it. I have a 2000 f250 7. When the air conditioner in your 2002 Ford F-250 Super Duty starts blowing hot air, you likely have a freon leak. side I am also getting cool air though the defrost. Vacuum Pump (Source on Diesels) has no power to it. You could have a broken hose or fitting. check the switch that controls the 4x4 to air vents. 52 problems related to blower have been reported for the 2001 Jeep Grand Cherokee. I have swapped over known good parts from my other diesel, I have changed the climate control, air pump, checked my vaccuum lines and watched the actuator moove on the air box. I drive a 2001 Ford Ranger and the ac ONLY blows out of the defrost vents? The air blows cold, but will only come out of the defrost vents no matter what option I turn the knob to. If this system fails, it is normally due to a leak at the compressor. No matter what I turn the knob to it just comes out them places. When the air conditioner in your 2002 Ford F-250 Super Duty starts blowing hot air, you likely have a freon leak. That's because as the air goes past the cold a/c coils, a lot of the water condenses out. we have a similar problemin our up stairs at night or on cloudy days the air flow is very powerful coming out of the vent. Problem is the air will not blow out the front vents. F250 no air from dash vents, works on floor and defrost I have a 1999 superduty f250 early diesel, the air only blows from the floor and defrost but not the dash vents. The system was set to AUTO. All, Air conditioner blows from defrost vent. This time, the HVAC control switch was just replaced a couple months ago with a genuine AC/Delco part and it was working perfectly until today. 2015 Taurus digital dash, all air only blows on defrost. Read here for the latest Ford news, including information on open recalls, new models, price changes, consumer reviews and complaints, and more. Defroster is not working Inspection Service A vehicle's defrosting system is an absolute necessity for safe driving during the cold winter months. I have tested the blower motor relay, checked fuses, and also tested the blower motor resistor. when i am driving with the pedal being pushed constantly for a period of time, the AC stops blowing from its normal vents, and starts blowing out of my defrost vents. I have no idea what could be wrong or how I could fix it. HeaterTreater offers the ultimate solution to blend door repair. If the fuse checks out the problem may be the defroster "on" switch. Average repair cost is $2,560 at 65,050 miles. Automotive Air-conditioning Compressor. The leak was a simple fix. SOURCE: air conditioner will only blow air out the Defrost is the default when the controller is not receiving vacuum from the intake manifold. Find out what could be causing your car air conditioner to blow cold then warm!. Hello, I got my AC checked out due to blowing hot air and two auto repair shops told me the ac compressor was bad. So the blower works just not when the A/C is on. I've replaced the switch that directs the flow to air vents, defrost and, and floor, but it hasn't changed. I had this fixed once before at a shop but I know it is a vacuum leak in the pass. Why Is My Heater Not Working? A car heater that isn't working could be caused by several simple issues. 2015 Taurus digital dash, all air only blows on defrost. Pulling my hair out, what a load of crap I am pretty sure a few of the guys have diagnosed it as the blend door. I can't get it to come out any of the other. When I bought this truck 3 months ago the air would blow but it was all hot air. Is it some thing to do with a vacuum line. Does the air keep blowing, but just gets warm, or does it start to blow out the defrost vents vice the console vents? If it changes vents, it could be a vacuum leak, where vacuum is strong enough to move the vent door actuator, until you mash on the gas, vacuum goes down, and then the actuator spring overcomes the vacuum. Any suggestions? Thanks, John. All, Air conditioner blows from defrost vent. I'm guessing there is a door somewhere that directs the airflow. Even tore out 1/2 the dashboard to get in from the top or front. It was blowing super cold air and then less than 24 hours later I get in the car and it’s blowing out warm air. What you have is a vacuum leak. No floor or dash vents. A/C out of defrost only My Check Engine light is on and the code reader says "EGR valve excessive flow detected" would this have anything to do with my problem of my air being stuck on air conditioning and it only coming out of the defrost vents?. 3 with 310K on it, the other day the air just stopped blowing out of the vents. In Auto Setting, with AC on and 16 degrees celcius the selected temp, the defroster vents still blow hot as hades. I have cold air coming out of the defroster but it will not go back to the air vents. When I bought this truck 3 months ago the air would blow but it was all hot air. The coolant pouring out the open rad cap is being pushed out by the air bubble expanding in the heat and trying to get out. 99 silverado HVAC WONT BLOW AIR THROUGH BLOW AIR THROUGH DASH VENTS WHEN PUTTING KNOB IN THAT POSITION It only seems to blow through the defrost vents no. Air conditioner blower is blowing hot air, due to a loose hose that rubs against the under carriage of the engine. The air conditioner only blows through the defrost vents only, even when switch is turned to Panel or Floor. the rooms all cool down but in the heat of the day and when the sun is beating down the upstairs temp climbs to 89-90 with just a wisp of cold air coming out of the vents. So if I turn the AC on it will eventually blow cool air through the defroster vents while I'm driving, if I come to a stand still the AC air coming through the defroster vents will not be as cool, more musty. Look for the small vacuum line going from the engine intake manifold to the firewall and trace it to the control switch. They still blow air, but not with enough force. I can change from the dash to the vent and to the floor but I don't have any heat. I changed the thermostat, and the temperature gauge reads fine? Not sure what to do? I heard that it could be the heater core clogged? But i don't know how to tell if its the heater core? 2007 taurus sel. Yes they were dirty. 1992 ford e350 stops blowing ac when i accelerate this fix is a $5 check valve & $ 2006 F250 Air conditioning stuck on defrost. A more common problem is when the air is stuck on defrost only. Then I proceeded to watching each actuator while someone ran the controls and all actuators worked which leads me to believe that I have good vacuum on all of them. In this article we’ll discuss both sides of the. The fresh air / recirculating air door works. F250 no air from dash vents, works on floor and defrost I have a 1999 superduty f250 early diesel, the air only blows from the floor and defrost but not the dash vents. (The compressor also cycles on and off during normal operation). The air is only blowing out the defrost vents because it is a default mode. The evaporator, also sometimes referred to as the evaporator core, is one of the two (maybe three) heat exchangers in a mobile A/C system. I have a 95 2. 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. My ac and heat will only come out of the defrost vents, no matter what selection I have it on. I picked up a new flow actuator at a local parts store for $140 and installed it myself. My a/c works and runs fine and does cool down. I ended up taking it into a dealer and the scan revealed code B3779 - airflow mode actuator stuck. Ford F-250 stuck in defrost, problem solved YankeeinSC1. Is it some thing to do with a vacuum line. Choose top quality brands AC Delco, Four Seasons, GPD, Global Parts Distributors, Motorcraft, Santech/ Omega Envir. We recommend ordering a complete kit for reliability. If this system fails, it is normally due to a leak at the compressor. When the air conditioner in your 2002 Ford F-250 Super Duty starts blowing hot air, you likely have a freon leak. Sometimes the air will blow out of the top vents but then after a few min it goes back to defrost. The outer vents are fine, it's just the middle vents that up and decided not to put in that much work anymore. When I select defrost mode, the system stays in its mode for several seconds then defaults to full floor vents. Thanks for any. When it is on Normal A/C it blows out the defrost vents when accelerating. 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. To do it right, you need to just replace all 5 of the actuators that cost around $50 each for the parts. When I'm driving around in 2 wheel drive sometimes a really low rumbling will start from the front and it will also cause AC only blowing out defrost - Ford Powerstroke Diesel Forum. No matter what setting it's on, or speed, it all comes out the defrost vents. Driving with a frosted windshield or fogged rear window and no way to clear it off can lead to limited visibility and dangerous driving conditions. Make sure you get into all of the corners and crevices. I have a Class A Ford F53 motorhome. well now my ac/air will only blow out my top deforst vent and a little from the feet. com FREE DELIVERY possible on eligible purchases. - Look under the dash in the area of the glove box (passenger side) with a flashlight. Any ideas on what I should look for? 2000 f250. I have problem with the air flow on a 2001 Buick LeSabre Limited. Look for the small vacuum line going from the engine intake manifold to the firewall and trace it to the control switch. Fan Only Blows Defrost, Won't Change To Floor Or Vent. Hey guys new here!! Just picked up a 99 dakota r/t and i'm only getting the heat/ac to blow out the defrost vents up on the dash for the windshield. A/C blowing out defrost A friend of mine was able to get his hand up behind the air box under the dash and pull the inside part of the line back from the fire. On my F350 the vacuum pump didnt run at all when I turned the climate controls on. I have a 2008 Dodge Ram, some times the air blows out the vents and some times it does not. If this is your first visit, be sure to check out the FAQ by clicking the link above. This time, the HVAC control switch was just replaced a couple months ago with a genuine AC/Delco part and it was working perfectly until today. On the 2007, the floor to defrost is a major effort to fix -- need to remove the entire dash to get to the parts. Chevrolet Silverado 3500. Built as a direct fit substitute for OEM part number 5014108AA, the Upper Defrost Door Lever is made out of black plastic by Omix-ADA. 1999 to 2016 Super Duty - a/c and heat only blows out the defrost - i bought a used 99 f250 v10, i went to turn on the a/c today, and it only blows where the defrost is toward the window. Browse your favorite brands affordable prices free shipping on many items. Heater, a/c, and just the fan will only blow out of the defrost. 5L 4 cylinder, manual transmission, RWD. Choose top quality brands AC Delco, Four Seasons, GPD, Global Parts Distributors, Motorcraft, Santech/ Omega Envir. 1995 F250 AC comes out of the defrost? Where the air blows out control are vacuum operated. Any suggestions?. Forgive me if I am covering something that's already been done in the FAQ or somewhere, but I couldn't find it! Crap keeps blowing out of all my vents! That crummy foam insulation (I suppose it was put on the inside of the vent tubes) keeps blowing out all over the car; the sticky crap crumbles and turns the entire beigeinside 'black'. Find 2018 Ford F250 for Sale. Vacuum Pump (Source on Diesels) has no power to it. A/C Only Blowing out of Defrost Vent I have the electronic controller in the cab that adjusts the air conditioning. com FREE DELIVERY possible on eligible purchases. I have a 2002 Jeep Wrangler x Apex edition. If this system fails, it is normally due to a leak at the compressor. Average repair cost is $2,560 at 65,050 miles. Mine has only started cycling a couple of mornings but doesnt seem to do it in the afternoon. Best truck I have ever had. 99 silverado HVAC WONT BLOW AIR THROUGH BLOW AIR THROUGH DASH VENTS WHEN PUTTING KNOB IN THAT POSITION It only seems to blow through the defrost vents no. 2001 Silverado Ac Fuse Blowing Q i have a silverado hd with a 6 0 liter v8 and the heater could blow only ambient temperature air or air cooled by the air conditioner which still works great i d do this for the Although it is the costliest weapons system in u s history and the single most expensive item in the pentagon budget it will face only. Is your ML blowing hot air even though you have the AC on cold setting? A common problem with the ML320 / ML430 is the AC getting stuck on Hot or Cold setting. A few minutes later, it stops blowing out of the vents and blows out of the defroster. If this system fails, it is normally due to a leak at the compressor. Air conditioner blower is blowing hot air, due to a loose hose that rubs against the under carriage of the engine. It's stuck on the vents and I can't seem to find out why. 2006 armada, my front vents blow no air from setting 1 through 5 nothing comes out. Learn about this problem, why it occurs, and how to fix it. I know it works off a vacuum system but I need help fixing the problem. Any ideas? - Answered by a verified Ford Mechanic. Read more Dodge reviews to learn about other models. 3L Power Stroke Diesel - 01 Ac blows only through defrost vents - My 01 ac has worked just fine up until today. The parts we sell are guaranteed to fit the applications we list. How many actuato. What kind of problem am I looking for and where would I begin to look. During the actuator check there was no air blowing out of the defrost vent during any of the 8ish positions it runs through. This morning while driving my air conditioner turned itself on to defrost mode. Also, recirc does work as it gets a lot louder from the sound of sucking the air in from inside the cabin, and I can direct air to the defroster. If fuse is ruled out the simplest is the blower motor resistor. Air does not blow out of the front vents, defrost, or floor. If your car heater is suddenly blowing out cold air instead of heat in the middle of a bitterly cold winter, you have a good reason to be frustrated. Heat/Air works, all lights on Climate control seem to work, will only blow out of center and side vents, will not switch to Defrost or Floor. any ideas?. Dan M Dodge Dakota JOIN HERE 8/18/2005 23:39:00: RE: AC/heater only blows out defrost vents IP: Logged. All the air direction doors are vacuum controlled, and if you lose the source vacuum, the default is to blow out the defrost, so that your windshield stays clear. 3 4x4 my hvac actuator mode valve does not work. The outer vents are fine, it's just the middle vents that up and decided not to put in that much work anymore. No defrost - posted in 80-96 Ford Truck: I have an 86 F150. Read more Dodge reviews to learn about other models. I have a 2008 Dodge Ram, some times the air blows out the vents and some times it does not. Buy AC Compressor w/A/C Repair Kit For Ford F-250 F-350 F-450 F-550 Super Duty - BuyAutoParts 60-80330RK New: Automotive - Amazon. How to clean AC evaporator coils with no-rinse spray foam cleaner for routine seasonal maintenance. F250 no air from dash vents, works on floor and defrost I have a 1999 superduty f250 early diesel, the air only blows from the floor and defrost but not the dash vents. i just capped mine off cause i was use to gettin out and lockin it in 4x4 anyways so if you want auto 4x4 to. When in auto mode, the top/defrost vents should not be blowing hot hair. Ford F-Series Climate Control I have a 2000 F250 and the ac only blows from the defrost no matter where you move the settings to could this be the vacuum soleniod. - Locate lose dangling vacuum line (mine must have gotten knocked lose or slipped off somewhere). A few minutes later, it stops blowing out of the vents and blows out of the defroster. Find 2018 Ford F250 for Sale. Air will only blow out of the defrost regardless of control panel setting. Air fails to blow out of desired ducts (dash outlets, or lower outlets, or defroster outlets). It only blows hot air when in defrost mode. I have a 2003 Lariat FX4 and it has the automatic climate control. A more common problem is when the air is stuck on defrost only. The 2006 Ford F-250 has 5 problems reported for a/c is blowing out of defrost. This company is not yet accredited. 2nd Gen Ram Tech - No air from dash or floor vents - Hey guys. Dodge Ram Van 1500 HVAC Air Flow Switching to Defrost When Accelerating - 140 reports. Problems seems intermitent, but usually blows out of defrost. An easy fix is to remove a shim, if the field coil is weak you will need a new clutch. The AC system uses compressed refrigerant to cool the cabin when you turn the air conditioning on. What you have is a vacuum leak. This problem can arise if the top/defrost vents are stuck open and it will continually blow hot air regardless of the temp setting. If the shims wear out in the ac clutch assembly it will not stay engaged at low rpm. Air Conditioner Blowing Warm or Hot Air Intermittently We took car to dealer and we hope they solved the stalling, but for some reason they didn't get around to looking at AC. Ships from Valley Ford, Cleveland OH. We had a pretty warm day and I decided to try out the air conditioning. I get a lot of questions about car air conditioning systems not blowing cold enough. Forgive me if I am covering something that's already been done in the FAQ or somewhere, but I couldn't find it! Crap keeps blowing out of all my vents! That crummy foam insulation (I suppose it was put on the inside of the vent tubes) keeps blowing out all over the car; the sticky crap crumbles and turns the entire beigeinside 'black'. You may have to register before you can post: click the register link above to proceed. 52 problems related to blower have been reported for the 2001 Jeep Grand Cherokee. I also replaced the actuator. Weird Electrical Problem with our 2001 Ford F-250 SD We have suddenly developed a very scary electrical problem with our pick-up. I have done both of these to no avail, but when I take the HVAC fuse out the blower then will begin blowing out the vents properly but when the fuse is replaced it goes back to blowing only out the defrost. The Ac Has A Vent Problem It Blows Thru Defrost Then Floor Then Vent. I had the exact opposite happen on mine, 30 below with no heat blowing on my feet. Air Conditioners Fog Or Smoke Coming Out Air Vents. 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!. Genuine Ford Part - BC3Z19980J (BC3Z-19980-D, BC3Z-19980-J, BC3Z19980D). i have a 2006 Ford F250 and when i turn my AC on it only blows air from defrost and dash vents. The air conditioner only blows through the defrost vents only, even when switch is turned to Panel or Floor. The fresh air / recirculating air door works. I can't get it to come out any of the other. DIAGNOSE - A/C SYSTEM DOESN'T BLOW COLD AIR. 7 Tradesman. Just as an FYI. We're in Birmingham, AL and have the truck with a private mechanic, but after 2 days, he can't find the source of our problem. They all checked out good. I have a 2001 F250 7. The blower works. My 2001 Buick Lesabre air condition flow only blows in the front but not up and down when I change it. We had a radiator replaced over the summer the air works fine but now even if we let our car warm up and drive it all day the heat never blows out hot it's always cold the other day I noticed when the heat was completely turned off but it was on defrost and it was blowing a little warm but as soon as I turn the heat on it got cold again I'm. It gets vacuum, but will not blow out other vents. When you say the vents do not open, I am assuming you mean no air comes out the vents, but does come out the defrost and floor. according to a review from carsdirect, it's the kind of vehicle that an american family will want for a long, long day on the interstate. Choose top quality brands AC Delco, Four Seasons, GPD, Global Parts Distributors, Motorcraft, Santech/ Omega Envir. Problem is the air will not blow out the front vents. (No Trucks) - Ford truck a/c air blows out defrost only - cold air so not compressor - Hello - My husband's F250 4X4 diesel truck has a problem with. Now I’m reading that it could be the actuator. If the fuse checks out the problem may be the defroster “on” switch. Air Conditioner Blowing Warm or Hot Air Intermittently We took car to dealer and we hope they solved the stalling, but for some reason they didn't get around to looking at AC. Hey guys, just checked my car at lunch and noticed something funny. The guesswork has been taken out of our shopping experience. 2001 Ford Taurus air blowing through defroster vent only. Look for the small vacuum line going from the engine intake manifold to the firewall and trace it to the control switch. Re: AC won't fully switch to blow out dash vents. We've all been to a parts website thinking, "I'm here to get a part that fits my car - this should be easy!" Thirty minutes later, you get up from your computer, without auto parts and dejected. You'll find local deals, specs, images, videos, consumer and expert reviews, features, trims, and articles for every turn in your F-250. Any ideas on fixing it?. even if i put the settings to only blow on the feet it will only blow out the top ac vent anyone know what i can do to fix this issue. Was blowing warm air out. No air from floor vents or defroster vents, only front vents. Regardless of what I have selected in the A/C control module, the A/C only blows out the floor. However; I noticed on the Heat/Defrost Door Actuator, the Door Pivot Connection was disconnected. Buy a 2001 Ford F250 Super Duty HVAC Blower Motor Relay Connector at discount prices. I can change from the dash to the vent and to the floor but I don't have any heat. I can move the selector from vent to floor or defrost and internal components do open and close (I can hear them). well now my ac/air will only blow out my top deforst vent and a little from the feet. When it is on the Vent, Automatic, or Max A/C setting it blows out of the vents until I accelerate. I checked all of the vacuum lines and verified their correctness using a 1986 Service Manual so I know that's not the problem. 2001 dodge ram heater blows on high but won't defrost the window its not very hot air? but the last time I wasn't getting hot enough air out of the fan, it was a. Thanks for your email. Answer: If the air conditioning / heater fan is still blowing, then the air must be going somewhere. i just capped mine off cause i was use to gettin out and lockin it in 4x4 anyways so if you want auto 4x4 to. The defroster blows hot air regardless of whether the defrost button is engaged, in fact, I never engage the defrost button. Had this happen before, vacuum line leak on the SOF 4x4 system. It's hot outside but cool in your car. I have a 9 month old baby and my A/C is not blowing cold air!!!! I have a Ford Explorer sport. when i let off the pedal, the air begins to blow out of the normal vents again. No matter what setting it's on, or speed, it all comes out the defrost vents. it gets cold after awhile, but nothing out the vents, the heat either. Air Conditioner Blowing Warm or Hot Air Intermittently We took car to dealer and we hope they solved the stalling, but for some reason they didn't get around to looking at AC. Hi my name is Dorinne and I have a 2001 Windstar which I will never ever buy an american car! Well I have the same problem were I only get ac through the defrost area. ive replaced both check valves, and still no good! whats the deal, b/c its driving me insane!!! thanks- jacob. Is this a blend door acuator issue?. The floor vents and the defroster vents work fine. Sometimes the air will blow out of the top vents but then after a few min it goes back to defrost. The Ac Has A Vent Problem It Blows Thru Defrost Then Floor Then Vent. The HAVC system will not switch from the defroster in the front, or from the lower heater vents in the rear. 02 03 04 Ford F150 F250 Digital Ac Eatc Temperature Climate Control Panel Oem. I have a 2006 MDX which now only blows air out floor vents. com FREE DELIVERY possible on eligible purchases. We're in Birmingham, AL and have the truck with a private mechanic, but after 2 days, he can't find the source of our problem. A/C not coming from front vents- Only blowing from defrost and floor south florida it was blowing on and off out of the vents but weak. We were out Saturday driving about and when I switched the climate control to blow air out the front vents, I was getting heat on my side but cold air on the passenger side. I have no air coming out of my front air vent of my 02 gmc, Yukon Denali. 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. 0 f250-f350 Powerstrokes Superduty. When i turn my ac on, it only blows from out of the defrost vent no matter what setting. 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). No matter what I turn the knob to it just comes out them places. 2015 Taurus digital dash, all air only blows on defrost. I'm guessing there is a door somewhere that directs the airflow. Thanks for giving me some suggestions… I have 4 settings on my switch, 4 being the higest. front fender. We look forward to seeing your entries. The cooling system and actuators will need to be properly inspected to find the source of the issue. When I turn it to air the compressor kicks but doesent blow. However; I noticed on the Heat/Defrost Door Actuator, the Door Pivot Connection was disconnected. I checked on my F250 7. • Finally select defrost If nothing cold comes out during that, with engine still running, check out the pulley arrangement on the AC compressor (That's the lowest and furthest forward of all the pulleys) The outer end should rotate when AC is on and stop when AC is off. Before replacing Heater Control Unit, it would only blow hot air from front vents- With this replacement it will now change from cold to hot and the air flow pressure does change from the front vents when changing the setting. 5L 4 cylinder, manual transmission, RWD. Fixed! 2002 Windstar - A/C blowing only through defroster. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a refrigerant. Ships from Valley Ford, Cleveland OH. It's stuck on the vents and I can't seem to find out why. This time, the HVAC control switch was just replaced a couple months ago with a genuine AC/Delco part and it was working perfectly until today. Sometimes the air will blow out of the top vents but then after a few min it goes back to defrost. com FREE DELIVERY possible on eligible purchases. blows out defroster only Post by lgoff » Wed Aug 04, 2010 2:43 pm I have a 2003 F150 that the air only blows out the defroster ventsat first it would alternate between the dash vents and defroster vents for only a few seconds then gradually got worse , although i can feel a little out the floor vents very littlei hate to pay to. 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. If the air conditioner unit is not running normally or is only blowing out warm air, it may be a temporary fault. Where are the vacuum lines for the front vents? A. Heater and Air Conditioning Problems Air will blow out the driver and passenger vents, but barely comes out of the centre vents. I have a 2004 F250. (the windshield defrost?). Currently he is only getting air from the defrost vents in the top of the dash. 6 Recently the AC has started blowing scolding hot air out of the side vents and the defrost vents while the center vents are ice cold. Question: 2000 Silverado 5. I was thinking it was the door also but I hadn't had a chance to check it out yet. Ford F-250 Super Duty. When it is not, which of course occurs on the most brutally hot day of the year, the A/C suddenly becomes a cruel joke, blowing warm, stale air into your vehicle. About 4 months ago, the air conditioning would only blow out the defrost vents, regardless of what setting I had it on. All the air direction doors are vacuum controlled, and if you lose the source vacuum, the default is to blow out the defrost, so that your windshield stays clear. Hi all, A friend of mine has a 2001 Chevy 1500. A/C starts off cold then blows warm Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. Dorman is a leading supplier of original equipment dealer “exclusive” automotive replacement parts. A/C starts off cold then blows warm Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. We had a radiator replaced over the summer the air works fine but now even if we let our car warm up and drive it all day the heat never blows out hot it's always cold the other day I noticed when the heat was completely turned off but it was on defrost and it was blowing a little warm but as soon as I turn the heat on it got cold again I'm. It gets vacuum, but will not blow out other vents. The driver frontal air bag may improperly inflate during second-stage deployment in the event of a high speed crash. Sometimes the air will blow out of the top vents but then after a few min it goes back to defrost. I replaced the HVAC controls and I have the same problem with it only coming out the defrost vents, but I can control the fan speed now. I have a 1969 Cougar XR7 with the 351W engine. If the switch only has two wires then this is easy. why doesn't my front defroster work? 2001 True Blue Bullitt It's just the air that blows out doesn't do jack to clear the window up. That stuff can break down too and when enough accumulates at the bottom of the vent the next time you go to turn on the air it gets blown out. I have swapped over known good parts from my other diesel, I have changed the climate control, air pump, checked my vaccuum lines and watched the actuator moove on the air box. The air still blew out the floor vents only. F250 no air from dash vents, works on floor and defrost I have a 1999 superduty f250 early diesel, the air only blows from the floor and defrost but not the dash vents. Your 2001 Chevy astro van blows. By Carl O'Reilly. I drive a 2001 Ford Ranger and the ac ONLY blows out of the defrost vents? The air blows cold, but will only come out of the defrost vents no matter what option I turn the knob to. Before replacing Heater Control Unit, it would only blow hot air from front vents- With this replacement it will now change from cold to hot and the air flow pressure does change from the front vents when changing the setting. If you lose vacuum to the hvac control knob that changes the flow of air to either defrost, vent, floor, mix, etc I c.