Ac Not Blowing Hard Through Vents Car

The heater works on all settings just doesnt really blow, anyone have some suggestions?. While there are many, many reasons your air conditioner is blowing hot air, we’ll run through the most common causes that you can fix or diagnose on your own. I am getting almost no air flow from the vents when on MAX AC. It happened to me this week, June 2014, on a 2009 prius. 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. I have little to no air flow out of my vents. Push your AC button, you know, the one that illuminates. The 2007 Toyota Camry has 8 problems reported for cold air does not come out of all vents. I regassed my aircon thinking that the gas ran out. Sometimes the floor vents will still blow hard. Could the actuator be the cause of the vents blowing weakly? Or would this be the solution only if the vents don't blow at all? I feel that my air conditioning vents just do not blow as strong as I expect on a more modern vehicle. This entry was posted in DIY Reference and tagged 440/370 A/C air conditioner air conditioning air conditioning not working capacitor contactor cooling DIY DP1025A 5006 fix air conditioner Honeywell HVAC MFD micro-farads not blowing cold air R8242A-1032 replace capacitor replace contactor Rheem Ruud thermostat on August 16, 2015 by Steve. Air won't come out of vents. While the air may still blow from the vents, it will not come out cold enough to efficiently cool your home. But a system that is 1/2 pound low will cause the passenger side vents to blow cool or cold air, and the drivers side to be less cool or even warm on this car. One room is hot and the rest of the house is cool. One thing I've always felt is that the AC blows too hard. In the winter it will warm up the car, but only after about 20mins or more and the air coming out is warm, not hot. When temperatures soar and your air conditioning unit is not cooling in the summer heat, you need a quick solution. Related Car Repair Articles and Products. If the air does come out, then you have no problem with those vents. Refrigerant Leak. If there’s a small pinhole — which is a small leak typically caused by corrosion — in the heater core, drivers may have steam coming from the vents, but it will likely smell of coolant. Heater working but only blows out front vents. 1 people found this helpful. Dirty evaporator coil Your evaporator coil needs air to blow over it to complete your AC's cooling process. The 2 center vents stopped blowing. It will not be apparent if just looking at freon gauge pressures- they will be normal. i think it was some sort of insulation from the air vent housing. I have been through all the steps. side vents to blow cool or cold air, and the drivers side to be less cool or even warm and this car. The best setting for diagnosis is "fresh air" (not recirculated) with the air blowing out of the center vents in the dash and the AC turned on. Maryland may not be as brutal as Texas, but getting through your day without a working air conditioner in your car is still a huge inconvenience. It will operate much like a unit with not enough refrigerant. A broken condenser can be caused by a puncture from road debris going through the grill of your car and damaging the part, or equipment failure. So the blower works just not when the A/C is on. Unfortunately, frozen AC lines can put a major kink in your road trip. My ac doesn't seem to be blowing as cold as it should. I dont have anyidea what else could be causing this. Go to library or check through these forums to find a. How to Troubleshoot a Broken Car Air Conditioner for any kind of air coming through the vents. No heat to feet or defrost. give it a minute and switch it to recirculated air - you should hear air moving different and the air should blow harder. Refrigerant Leak. No air through front vents when ac is on (prostar. Though the suggestion of putting the temp knob somewhere in the middle makes it less noticeable. It's no secret manual cars are dying out – not just in. Then today I turned it all on then went back in my home to grab some stuff, got in it was cool but the vents weren't working. How to Fix No Air Coming From Vents. Push your AC button, you know, the one that illuminates. If your A/C in your car turns on but isn't blowing any cold air, you might have one of a few problems. I have a problem with my air blowing out the defroster and floor but not the main vents on my 2000 pa. Push your AC button, you know, the one that illuminates. I have been through all the steps. My defrost, dash vent, and floor modes are all controlled by a lever and my hot and cold is also controlled by a lever. Re: Won't blow from dash vents 08-15-02 08:15 AM - Post# 141764 In response to boflaade Boog, I am pretty sure as I do not have and type of electrical instrumentation on my dash. hi there I'm a newbie and wanted to asked how to fix my ac vents for my commodore vt not shore if the problem is the vents or the knob which changers where the air comes out of the air now is only coming out of the window vents. So I am not sure I know what you mean by: "As it stopped, i heard the compressor kick into overdrive (like it does when it is cooling the air before blowing it through the vents right as you turn it on. 1 people found this helpful. Why is My Air Conditioner Blowing Warm Air? July 30, 2014 / By Comfort Pro - a Reading, PA company / Air Conditioning • Blog • Repair / ac • air conditioning • hvac / 0 Comments Home AC units have dozens of parts that must function properly in order to efficiently cool your home. 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. The 2 center vents stopped blowing. One of the most difficult automotive air conditioning problems to diagnose is an intermittent A/C problem. How to Fix BMW 3 Series No Air Conditioning or Heater Coming from Vents Doing This Will Make Your Car's AC Blow Twice as Cold. Air not blowing out the ventsany of them. Here’s a simple guide to how your vehicle’s A/C system is supposed to work. Recentlly everything just stopped working. Two days ago it stopped blowing air. Jeep Air is dedicated to the Jeep enthusiast. Start with the fan speed turned to its highest setting. Can someone help me out with 2009 Traverse front ac not blowing - Chevy Traverse Forum: Chevrolet Traverse Forum. Why has my BMW 3series started blowing out white smoke? If there is oil then the crankcase vent valve may be the culprit. I switch the vent flow to windshield and cold air blows. So my AC is acting up, sometime when I turn it on it blows cool air, sometimes it'll be hot air, and sometimes one side of car will be hot and one side will be cool. So basically, it seems that that switch/dial does nothing to alter the air/heat. Orders for thousands of these cars are placed every month. So I started the car this morning and for the first 10 minutes the AC on Low Temp setting sounded like it was blowing hard on the highest setting, but almost zero air was passing through the air vent? After 10 minutes, without warning, the air finally started coming out of the vents, with a audibly noticeable difference in tone?. Older systems sometimes cycle on and off with a squeal or thump. If the rca jack hanging off the back of the radio touch the circuit board it will fry it. Solution: Check your air filter. The 2007 Toyota Camry has 8 problems reported for cold air does not come out of all vents. Switching to recirc doesn't do much, at 70mph even with the recirc on its coming through the dash vents about like it does on fan setting 1. The Mazda 3 is an Aussie favourite and we've reviewed the 2019 Mazda 3 G20 Pure hatch manual to see if it has the tech, value and design to still be a winner. I have a Payne AC unit behind my house and it's been running well. If your home is equipped with a central air conditioning system you may have noticed a drain line on the outside dripping water near the air conditioner. Hope somebody find out some trick to get rear AC working while waiting for GM new update. The moisture from you shoes, clothes, floor mats and breath must be able to exit the car. Is this normal?. It gets vacuum, but will not blow out other vents. My vents will blow a small amount of air out of the dash vents when the floor option is selected (on high heat fan setting). OK to not have the recirculate setting on. Low refrigerant levels are never normal and exposure to refrigerant can be. I can hear the blower blowing the air, but nothing really comes through the vents. Here’s a simple guide to how your vehicle’s A/C system is supposed to work. stuck them back in and it. I hear air blowing in the dash but not coming out the vent. During the first week we crossed the Mojave dessert, and about roasted because the A/C barely put out any cool. Normally I can stand underneath the vent and feel breeze of air without putting my hand near the vent. It will operate much like a unit with not enough refrigerant. compressor is turning. Maryland may not be as brutal as Texas, but getting through your day without a working air conditioner in your car is still a huge inconvenience. This is even more apparent in the executive sedan segment or the 'D' segment. 0 V6 Engine. During air conditioning season — which, in Phoenix, Arizona, can be nearly year-round — the central air conditioner’s filter gets a huge workout. Ventilation fan is fried. The volume of air blowing through it is substantial. If there's a small pinhole — which is a small leak typically caused by corrosion — in the heater core, drivers may have steam coming from the vents, but it will likely smell of coolant. When the AC is on it primarily blows through the defrost vents. If I switch to defrost, I can feel the air, so the fan is working. The air conditioner works, the air is cold, it's just there's not enough air coming out of the vents. 1 day ago · HOME / BMW / 7 Series / Reviews / Road Test / Car Review: 2020 BMW 750Li xDrive The new 7 Series ups the game in every aspect — more power, presence, tech and more features to dazzle and beguile. The defroster setting is an indication of NO vacuum. Air Conditioning / Heating Unit , no air coming throught the vents (2007 Toyota Prius) Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by DrMetal, Jul 28, 2009. I bumped it down a couple of degrees and waited to see if it would kick on. My wife switched on the A/C and reset the temperature to 21 C and 21 C. , Monday through Saturday. I am about to let the car go. Re: AC blows what looks like white smoke : Recently, when turning on the AC, it appears that white smoke is blowing out of the vents. Re: Won't blow from dash vents 08-15-02 08:15 AM - Post# 141764 In response to boflaade Boog, I am pretty sure as I do not have and type of electrical instrumentation on my dash. The dashboard vents will not blow any air but the defrost and floor vents work fine. Had it checked 3 times , 3 diff. Air will not blow through my vents on my 95 park ave, I have replaced the blower motor and still no air. When in normal AC and the engine has a load, like going up a hill the air flow reduced to almost none. This line drains condensation from the inside air handler to the outside. There's air blowing out when i turn on the a/c, but it's not cold. When I accelerate wwith the air on it stops blowing thru thefront vents and sterat blowing thru the defrost and when you let off the accelerator the the air starts blowing thru the front vents like. I am new to this site and wondered if anyone could assist me on my E46 318i F/L. It seem like my blower is not blowing hard enough. but it just comes out at the wrong places and doesnt cool the car down. So i bypassed it. Is your heat pump is not blowing hot air? Read our blog post to find out why or request service now 800-400-4152. Ask any car journalist what they want to do, and they’ll tell you they want to travel the world and drive the finest machines. I just took my new 3670 back for its first doctor visit and handed the dealer a punch list. My heater will blow hot air and I'm not sure about a/c (I cut the belt). mine didnt blow very hard when i got my truck. 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. Then today I turned it all on then went back in my home to grab some stuff, got in it was cool but the vents weren't working. Nissan has issued a service bulletin to address a low airflow from car vents problem in some of 2004-11 minivans and light trucks. If the air does come out, then you have no problem with those vents. If your air conditioner still isn’t blowing enough air as it used to, we’re here to help. Toyota’s eminent HiLux has always. My AC will only work through the defrost vents. otherwise it is at least $400 from the dealer. You can hear the A/C kick in on the motor, and feel the cooler air trickling through th. If you can't feel air pressure coming out of your vents, then your air conditioner may need to be serviced or repaired. clicking down through. The fan runs, but no cold air is coming through the vents. I can feel light air. 1 people found this helpful. continues to have to work so hard to KEEP it cool. What it really does is remove heat and humidity. They say that cleaning "gunk" is not covered by the extended warrantee. Toyota’s eminent HiLux has always. This will restrict airflow through your system and lead to an AC that isn’t blowing very hard. When I put my hand on the blower under the dash it didn't feel as though it was working even though the rear AC was on. not enough air blowing out the vents NEW by: Anonymous Had AC unit replaced , 3 ton Heil out American standard 3 ton in. The part that many of the mechanics I have taken the Jeep to is. I have a 95 camry and it does blow cold air but is not blowing from the front vents is actually blowing from the defroster vents by the windshield and it also from underneath by the legs. The black hose supplies vacuum to the control head from the engine and it. The solut. Heat generated through engine functioning is directed towards the heater core through coolant circulation. It was working in the morning fine, but in the afternoon I was having issues. When I turn the heat or a/c on nothing blows out of the vents or on the floor. Air conditioner not blowing through vents. Trucks and buses aren’t on our daily agenda, but getting behind. It is not a good idea to try and fix the air conditioning in your car yourself. There's nothing quite like being stuck in a hot car in the middle of a traffic jam. My AC turns on but no air is blowing through the vents. Only 28k on it-- But the AC has stopped blowing through the vents, however, it blows cold as can be but only through the bottom for your feet. side I am also getting cool air though the defrost. But all jokes aside, a bit of smoke coming through the ventilation system need not necessarily spell doom for you or your car -- it all depends on what's smoking and where it's coming from. my 2000 golf tdi is blowing hot air out the vents even when the fan is 'off'. mine didnt blow very hard when i got my truck. My ac doesn't seem to be blowing as cold as it should. 7 L Ram truck with 200000+ miles. It doesn't matter if it is on auto or just fan same thing happens, with heater ok with A/C not ok. How to Fix No Air Coming From Vents. Ground wires and fuses are good. On high it sounds like it would blow you away, but ther is no air blowing. The 2 center vents stopped blowing. why does the a/c stop blowing thru the front vents and comming thru tha defrost vents 7 Answers. Turn the AC back on. Often when faced with car AC airflow problems both professional and DIY car mechanics might think it's a blower motor problem. The disappointing lack of cool air coming through the air conditioning vents prompts you to ask yourself, "Why is my AC not blowing?" The most common causes of an AC not blowing are related to:. A work around, of sorts, is to manually drop the blower speed to the lowest speed setting. You may also wash this coil with water if you choose to do so. While this reasoning may not entirely be accurate, I'm pretty sure its a. Toyota said, there is not a second blower, just that the dampers are not opening. Hello I just got a 2002 Chevy Silverado 1500 with a V8 I think 4. If your air conditioner is running but not blowing any air and you have inspected the air filter and fan motor and found them okay, then you may have a problem with the control board. If there doesn’t appear to be anything blocking the condenser, it’s possible that it may be broken altogether. AIR WON'T BLOW HARD THRU VENTS - WHY??. The low airflow problem is due to a frozen evaporator coil. If your A/C in your car turns on but isn't blowing any cold air, you might have one of a few problems. The trouble I'm having is when I turn on the A/C, the air sounds like its blowing very hard. Air not blowing hard? Could be an easy fix! Backyard DIY - Zachary Tips on car buying, how to negotiate, and how to buy a car. A/C question: My outside unit runs, but no air is being pushed through the vents in the house. Ground wires and fuses are good. The AC was working fine two weeks ago. In the winter it will warm up the car, but only after about 20mins or more and the air coming out is warm, not hot. Fixing AC And Heaters That Blow Weakly Scotty Kilmer. The only thing I don't like about the truck is that when you turn on the a/c, you can hear it blowing really loud, but if you put your hand to the vents, you only feel a little bit of cold air. If you've read our articles, then you know that we are a small, U. New unit hardly blows compared to the old unit. Believe it or not, something as simple as a dirty filter could be what's causing your air conditioner not to blow hard. i heard about the filters so i figured what the hey. Is this a blend door acuator issue? but how hard is this one to replace? Share. No air comes out of the vents when recirculation is on, but everything functions when recirculation is off. The parts that go into the front panel of your vehicle may be made by the original equipment manufacturer with the intent to replace a worn or damaged part or by an independent manufacturer to upgrade the standard equipment that was already in the car. Low refrigerant levels are never normal and exposure to refrigerant can be. Actual readings will vary according to ambient temperature. If on a humid day, you turn on your car’s A/C system and a fine mist blows out of the vents, don’t be alarmed. You can hear the A/C kick in on the motor, and feel the cooler air trickling through th. The spread was also notable as it would only extend up to one lane on either side of the minivan. G Quick Reference Guide view, print and download online for free. Glance through car sales figures these days and the sedan is a pale shadow of its former self. Because the AC fan pulls air in through the back of the coil and exhausts it from the sides of the shroud, it is best to blow compressed air through the coil from the inside out. I am about to let the car go. A car's A/C problems may come from a leak on one. The air that comes into your car through the interior ac vents goes past the cars evaporator. My central AC air conditioner system works very well. This warm air is blown into the vents by means of a fan, that is powered by a motor. I am getting almost no air flow from the vents when on MAX AC. Also smoke doesn't disappear in a few seconds, it will linger around and smell like burning. if it is the door not operating correctly it will be 25 for the part and around 5-1/2 to 6 hours of your time with a helper. As cool air flows through the vents on hot days, the moisture in the air can condense inside the air vent. The AC was working fine two weeks ago. However, after regassing, I still find Hot air blowing through my centre vents. There is one room that the air comes through the vent but it is very weak and not cooling the room. In a properly working air conditioner, a fan will draw air over the evaporator coils, where it is cooled, and then be re-circulated back into the room. That with the blower blowing full time lets some heat out of the vents. It might sound basic but if your AC is not blowing air, check to ensure that it’s plugged into the outlet correctly, and that the power cord is still intact. Trying to DIY so I can be more handy. I have been through all the steps. Toyota’s eminent HiLux has always. While many air conditioning repairs require a professional, homeowners can learn how to troubleshoot and fix some common home A/C problems themselves. I am getting almost no air flow from the vents when on MAX AC. You are merely witnessing a small amount of water vapor exiting the system. The only time I've wondered about the AC was when it was nice out--70F and sunny. Service, parts, cost & recommendations from YourMechanic. Given that my car takes longer to shut off when the AC is on I figure I've got a vacuum leak somewhere in the system. You may also wash this coil with water if you choose to do so. I hear air blowing in the dash but not coming out the vent. I have a similar problem on two of my 2007 Town Cars (not stretched) - occasionally AC will not blow out of upper vents. I have checked the fuse and it is fine. Without getting too detailed, a dirty air filter makes it hard for air to enter into your AC system, which means you'll be feeling low airflow. Need help fixing my ac/heater that does not blow out any air through the center vents or out the windshield area. It didn't blow hot air, it just wasn't blowing cold. Just yesterday started blowing hot air through the vents. I'm having very similar issues. Normally I can stand underneath the vent and feel breeze of air without putting my hand near the vent. I'm starting to think Dodge didn't put enough charge in the system. [Response:] There are 4 areas where the source vacuum can be shut down and make your vents not change over: 1. During air conditioning season — which, in Phoenix, Arizona, can be nearly year-round — the central air conditioner’s filter gets a huge workout. Not sure what to check, or if I could be low on Refrigerant or what??. 22 hours ago · It was the Reagan Presidential Library and Museum’s first day open after the Easy fire tore through Simi “The wind was blowing so hard that when I looked out across the landscape I told. Also smoke doesn't disappear in a few seconds, it will linger around and smell like burning. My central AC air conditioner system works very well. Your air-conditioning system may be low on refrigerant. It's no secret manual cars are dying out – not just in. During the first week we crossed the Mojave dessert, and about roasted because the A/C barely put out any cool. Car Heater Not Blowing Hot Air: A Bad Blower Fan Motor. Same is true in the summer with the AC, it will be slightly cool, but not enough to cool the car. You can feel cold air when you put your hand directly in front of the dash vents or the defrost vents but no air is blowing. Switching to air coming out of the dash vents probably only directs 10% of the air through the dash vents with the other 90% still coming out from below. I bumped it down a couple of degrees and waited to see if it would kick on. i think it was some sort of insulation from the air vent housing. Designed for a house, portables sit on the floor and have a duct (very similar to a dryer vent) that goes to a nearby window. clicking down through. It will not be apparent if just looking at freon gauge pressures- they will be normal. and the engine is working hard, the ac blows only out the defrost. Make sure the fan setting is set to “auto” not “on”, which will cause your AC to blow air even if it’s not being cooled. I understand defrost is default no vacuum mode. Trying to DIY so I can be more handy. Hi, I have a 2001 Ford Taurus and recently I cant get the A/C or Heat to blow through any other vent except the defrosters. if it is the door not operating correctly it will be 25 for the part and around 5-1/2 to 6 hours of your time with a helper. Instead it comes through the defrost and side vents. The dashboard vents will not blow any air but the defrost and floor vents work fine. This is especially the case after the truck has been sitting for several hours and more so when the truck is sitting in direct sun. AC still not blowing hard? Get help from a Sarasota AC pro. If so, it is the exchanger trap door that may be stuck. When in normal AC and the engine has a load, like going up a hill the air flow reduced to almost none. When the air conditioning in your car blows out a burning plastic smell, you should check your car or have it looked it by a mechanic. ducting, vents, brackets, hard lines, a. Search in FORD ESCAPE HYBRID 2006 2. Your car's Air Conditioning system. Since Florida is a naturally humid area, consider installing a germicidal UV lamp to kill mold growth. When I used to start the car the fan would quite often come. But when it’s on 1/2/ or 3 I hear the motor working, but there is no air blowing. Hello, one day last winter, my heat decided to blow only out the Defrost on dash and dealer told me it was most likely the actuators which would cost $600+ to replace. Possibly there's a positive pressure build-up in the front of the car that allows the air to be warmed a bit by the bottom portion of the radiator and that air makes it's way in through the vents even though your temp dial is turn fully blue. My ac blows but not seeming to blow hard thru the face vents, I took the floor vent piece alose and blows hard thru it. The air comes through the vents in the rest of my home. 1 day ago · (CNN) -- I had a pair of new $249 AirPods Pro for less than 12 minutes when one tumbled out of my ear and landed an inch from the edge of a train platform. There are dozens of different makes and models to choose from and then about. i can feel warmth when i put my hand to the vents, but no air is blowing through in the vents downstairs. not enough air blowing out the vents NEW by: Anonymous Had AC unit replaced , 3 ton Heil out American standard 3 ton in. With our troubleshooting guide, you may be able to fix your air conditioner affordably and quickly. I live in Texas and it has been a very hot summer. how long before heater blowing hot air?, Automotive, 39 replies Heater blowing cold air, Automotive, 12 replies New car- vents blowing warm air when idling/driving slowly, Automotive, 13 replies problems w my ac/heater on my 2004 maxima, Nissan and Infiniti, 0 replies. Dirty evaporator coil Your evaporator coil needs air to blow over it to complete your AC’s cooling process. when i turn on the a. It was working in the morning fine, but in the afternoon I was having issues. These problems can keep the blower fan from blowing enough air out of your vents to keep you cool. Hi, I have a Honda civic 2011. Even just the vents without the air conditioner blew out cooler air than mine. coil have dried and the dust blows off. We had a pretty warm day and I decided to try out the air conditioning. Do you mean blowing hard as in barely feel anything through the vents, or not blowing cold like it's coming out lukewarm? If it's the first one, then you might have a bad blower motor switch or the bearings in the blower motor are worn. I had into Nissan Dealer and they quoted $1800 - $2200 to possible quote blower motor or cable. If it's dirty, replace it. We defrosted it. Posted: ac works but WONT BLOW: 93 White SSEI. When I put my hand on the blower under the dash it didn't feel as though it was working even though the rear AC was on. Is it just me or do the 2017 Dodge rams not blow hard out of the vents? I. 7 V8…I could feel the heat from the vent coming out, and the hood was not hot to the touch anymore. How to Fix No Air Coming From Vents. Now that the cold weather is back, we'll be whacking the car's heater on the second we turn the key. Try going to a mechanic. Dirty evaporator coil Your evaporator coil needs air to blow over it to complete your AC’s cooling process. Ok, so now I'll sit back and wait for people to blow holes in my theory. Aside from the vents blowing out the dash at the driver and passenger, on the cars with the faulty calibration of the radiant heat sensor, you will also get cold air out the defrost vents and the floor vents. I had the same issue with my '97 TJ Wrangler's HVAC system not blowing through the dash vents. Smoke is a product of combustion, so if you have smoke coming from your vents then you have a big problem. Sometimes my middle two ac vents is not blowing out any air at all ( but the sides somehow works very little ). Air Conditioning Vents Not Working. AC not working. Only 28k on it-- But the AC has stopped blowing through the vents, however, it blows cold as can be but only through the bottom for your feet. Designed for a house, portables sit on the floor and have a duct (very similar to a dryer vent) that goes to a nearby window. The primary problem is probably that you're still sitting in the car instead of running for your life, or at least going for the nearest fire extinguisher. Is it just me or do the 2017 Dodge rams not blow hard out of the vents? I drive a 12 f150 for work and it blows 3x as hard. Nostalgic AC (NAC) carries a full line of Complete Aftermarket Air Conditioning and Heating kits for Chevy, Ford, Dodge, Pontiac, Jeep, Toyota, British vehicles, Street Rods and many others. I live in Texas and it has been a very hot summer. Maryland may not be as brutal as Texas, but getting through your day without a working air conditioner in your car is still a huge inconvenience. This happens even when I turn off my aircon and fan, and set the dial of the vent to the coolest, the hot air still flows out. There's nothing quite like being stuck in a hot car in the middle of a traffic jam. After I drove away from NTB my AC, which was working fine prior to battery replacement, will not blow out of front vents When AC "mode" is set to blow out front vents it will only blow at my feet and windsheild. Why Would Fordf350 Truck Air Conditioning Blow Warm/hot Air Intermittently When the airconditioner is on sometimes it works just fine blowing cold air but more times than not, it will go to blowing warm to hot air through. "ON" means the fan is always blowing air through your vents, even when your system isn't working to cool the air it blows. When I press the defrost button the air is directed to the front vents, primarily the vests furthest to the sides (round ones, not the small window vents on top). When I put my hand on the blower under the dash it didn't feel as though it was working even though the rear AC was on. Air not blowing out the ventsany of them. The heater works on all settings just doesnt really blow, anyone have some suggestions?. Driving a car with no oil pressure or a temperature problem even for seconds can result in catastrophic damage. If no air is coming through, check the fuse on the blower motor. This will restrict airflow through your system and lead to an AC that isn't blowing very hard. There's air blowing out when i turn on the a/c, but it's not cold. Also when switching from defrost to vents, it takes a minute to switch to vents. The tips in this article are very basic and NOT intended to be a complete guide for servicing your AC system. It is not a good idea to try and fix the air conditioning in your car yourself. The blower fan located behind the dashboard pushes air through the climate control vents. The core heats up and warms up air around it through convection. The best method for the AC diagnosis feature can be found in the vehicles owners manual. "I really thought you were going to go. I have a similar problem on two of my 2007 Town Cars (not stretched) - occasionally AC will not blow out of upper vents.