Hello, The settings on my car there is no air blowing out of my vents either it is on AC or Heat, when the setting is at High the air is working fine. When an air filter fills to capacity, less air passes through the system altogether. Air conditioner system is discharged. Am getting heat when on heat out of floor vents. HOME / Auto News / News / Troubleshooter: Is your car's air conditioning blowing hot air? Doing a little DIY diagnosis on a broken AC system might give you an idea what you're in for, before you. I am new to this site and wondered if anyone could assist me on my E46 318i F/L. No air coming out of dash vents. Step 1 - Most air control vents are equipped with a flow control door that is located at the vent outlet. Not much air blowing out the vents. Okay if this helps the A/C unit is blowing good through the vents directly to the left and right of the A/C they are directly connected to the A/C. AC unit blows cold air out the defrost vents but not the main vents. The a/c turns on and works it just doesnt come out of the front vents. Once the frost builds up, your heat pump automatically goes through what we call, a defrost cycle to keep allowing the air to flow across the coil freely (which is a necessary function of your system). If the heater isn't blowing hot air at you when you turn the system on, the blower fan might have a problem. 00 to do it. Possible solutions when your car AC smells like burning plastic:. Step 1 - Most air control vents are equipped with a flow control door that is located at the vent outlet. But none of the other. Here's how: Chose a symptom that describes the problem, and then read through the possible causes. But if your car heater blows cold air and you've checked both heater core hoses to make sure they're hot, you likely have a bum blend door actuator. What is wrong when you cut the ac switch on and it only blows on the floor and the defrost but no air is circulating through the front vents , Car Heaters What is the AC does not blow on. The air actually cools off before it gets to any other room. However, air stopped blowing through all top level vents in front seat. Many things can cause the A/C not to work right. Thanks for your info above rsovis, it was very helpful. By Gary Motley Master Certified RV Technician. Unlike the others who posted about the problem, My car had been sitting for several hours. Adding Freon to Car AC - Gauge Readings Explained. Could the climate control module not be working properly or a stepper vent tab be broken? a problem with the blower? it does have cold ac but is not coming. But when it’s on 1/2/ or 3 I hear the motor working, but there is no air blowing. Here is what. When I turn the Air Conditioner on the cold air does not blow from the vents. The fungi in your air-conditioning grow on a part called the evaporator core, which is deep inside your dashboard. not blowing air through dash vents Discussion in ' Being an ex-car stereo instaler, I learned the hard way that the 95-99 GM AC control panels have the circuit. From what I understand you're saying that air comes through your vents even when the fan is off? Try flipping the switch that allows air to be drawn from inside the vehicle rather than outside (Idk what that switch is called) Mine only has air coming out of the vents when air is drawn from outside the truck. Has anyone had any problems with the 2 central air vents not blowing air through, I've tried the climate unit on hot and cold and it makes no difference, still no air blown through The vent on drivers side and the far passenger side work fine. I regassed my aircon thinking that the gas ran out. This includes cleaning your indoor and outdoor units. In this short auto repair article, a master automotive technician shares his experience, derived from working on air conditioners in. 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:. My front air does not blow out (it works in the back). I am new to this site and wondered if anyone could assist me on my E46 318i F/L. I pressed the Floor/Panel manual control and the air was diverted to the panel and floor vents and the A/C automatically shut off (fan speed dropped markedly). I still sense that the air does not get cold like it use to. Does anyone know how to manually turn or make the AC blow through the front vents until I decide that I want to spend the money with Nissan?. The blower fan located behind the dashboard pushes air through the climate control vents. When I got in, I noticed not much cold air was blowing through the vents. If dirty it causes a drop in air speed out the vents, hence, not as cold feeling. The most common causes of broken air conditioning are leaks or compressor issues. Reason #2: Problems with Heater Core. Basic Car AC Gauge Set Hook-Up. I can hear the blower blowing the air, but nothing really comes through the vents. Sometimes my middle two ac vents is not blowing out any air at all ( but the sides somehow works very little ). I been having problems with my car's air conditioning. The solution: If you have water dripping from your AC vent combined with low airflow, or air that is not as cool as it should be, there's a good chance that a refrigerant leak is the problem. It's 90-plus degrees outside and you sit in your car only to be doused with a blast of heat from what is supposed to be ice-cold air conditioning. When it melts, the condensation can drip out of AC vents in the ceiling. Sometimes it's in the actual mechanical part of the A/C. Open and unblock any supply vents and return grates (the metal slots that blow and suck in air respectively). The primary moving part on an air handler is the blower assembly, a big motor with a fan. Car Heater Not Blowing Hot Air: A Bad Blower Fan Motor. I opened the panel on the side of the AC unit and the coil has frost. Any ideas? It is a 2001 Chrysler Town and Country. If you want to buy your own car then visit Rolls Royce Export UK. Automotive AC systems' capability to enable the occupants to modulate the temperature of the cool air flowing from the vents relies upon the function of "blend doors" in the AC system air ducting. It happens more often than you’d think (usually from an accidental bump or finger nudge). The motor or fan wheel can cause a rattling sound when your air conditioner is actively blowing air through the system. My 2010 RAM has recently been giving me some AC problems out of the blue. I'm posting about a new to me '07 LR3 HSE. You can still hear the blend doors move when you change it to, defrost, face and floor modes. I have a 1996 Corvette. Car Air-conditioning Compressor. I had this fixed once before at a shop but I know it is a vacuum leak in the pass. That’s probably bacteria growing inside your air conditioning system and ducts because it’s somewhat damp. Turn the temp to the middle, not hot, not cold, in order to melt the ice off the condensor. 2010 Honda Civic - Disable Air Conditioning? Even when the AC button is off, air blows through the vents at varying speed, depending on how fast I'm going. Air Conditioner blows out the defrost I have a 2003 F-150 King Ranch 5. Help! Comments for MY AC RUNS BUT NOT ENOUGH AIR COMES OUT OF THE VENTS. Car heater tips: Windows fogging up? Turn on the air conditioner Blowing air on "high" through vents faster will not warm it more quickly Unlike your car's air conditioner that uses. Any number of culprits could be causing your car A/C to blow cold then warm air, including:. You can hear the AC running and its blowing cold air through the lower vents in front seat. No air comes out of the vents when recirculation is on, but everything functions when recirculation is off. The solution: If you have water dripping from your AC vent combined with low airflow, or air that is not as cool as it should be, there's a good chance that a refrigerant leak is the problem. Clogged Drain Line. Turn the air conditioning on while the car is running. But when it’s on 1/2/ or 3 I hear the motor working, but there is no air blowing. Possible solutions when your car AC smells like burning plastic:. It is with the A/C compressor. We drove home with the windows down, and stopped for gelato about half way home. However, air stopped blowing through all top level vents in front seat. You can customize them or cut them to fit your vent exactly. The struggle that the compressor, condenser, and evaporator have to go through to make a cool breeze coming out of your vents is quite extreme. that can create and blow snow out of the A/C vents. Problem is the air will not blow out the front vents. Black Mold and Other Toxic Mold - Mold is a type of fungi which is fluffy and can be white, yellow, pink, brown, green, gray, or black. The cooling system and actuators will need to be properly inspected to find the source of the issue. Any injury, damage or loss that may result from improper use of these tools, equipment, or information contained in this video is the sole responsibility of the user and not How to Automotive. Ford F350 AC only blowing through defroster vents My 2004 F350 diesel started blowing air out of the defrost vents only. I do know when i switch which way the air should be blowing i do hear a loud click which make sense it is the door issue. a/c works but not blowing air from face vents. If you are not getting. What parts can truck air conditioning systems need? Not all truck or car air conditioning systems need completely new assemblies or compressor kits to improve performance. How to fix: Hire an AC professional to clean the dirty coils. Air conditioning professionals will drill holes into the system near the furnace to insert thermometers just before and after the air has been conditioned. Blower Not Moving Any Air If you are not getting any air blowing out the vents but the vents feel cold, AND you can hear the blower fan running, then it might simply be a restricted cabin air. And before you say previously, the air-conditioning in my car does not work. Check the a/c pollen filter. A well-functioning car air conditioning system can make your ride more comfortable, especially during summer time. I can hear the blower blowing the air, but nothing really comes through the vents. The a/c turns on and works it just doesnt come out of the front vents. Is your air conditioner blowing but not cooling? Here’s a quick rundown of the issue. In most cars, the vents can pipe in neutral air, heated air, or air-conditioned air. But if your car heater blows cold air and you've checked both heater core hoses to make sure they're hot, you likely have a bum blend door actuator. The heated seat button still works. Getting to the root of the problem can take some time and effort, but we have simplified the process by providing you with the most common A/C problems along with how to resolve these problems once they’re discovered. My car ac is blowing hot air, supposed to be car air conditioning blows cold air instead of hot air. You may have noticed a loud sound right before cold air blows out through the vents in your home. Stop in at your local Midas store or use the quick links in the gold bar to book an appointment online today. Air is coming vents when on defrost setting also while on defrost its coming from front dash as though defrost is needed. Under heavy acceleration or engine load, the unit stops producing cold air. The fan circuit has a resistor which controls the speed of the fan blowing air through your vents. Air Conditioner Not Blowing Air. At the end of the vent is a plastic cover on a hinge that opens up to the outside. 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. And it happens a lot. A good way to get rid of that musty car air conditioner odor is by simply using a can of disinfectant spray. Checking the system from time to time is crucial to keep it in a good condition. Most people would like to see frigid cold air blasting from their small dash vents instantly upon request. Adding Freon to Car AC - Gauge Readings Explained. What's wrong when smoke comes into your car? 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. So now my AC is blowing out cool air. Although air conditioners use significant power, the drag of a car with closed windows is less than if the windows are open to cool the occupants. Believe it or not, something as simple as a dirty filter could be what’s causing your air conditioner not to blow hard. I went into the crawlspace and nothing is blocking the duct work. The air conditioner won’t run properly unless your engine is running. While driving at an unknown speed, the air conditioning unit failed to operate properly and blew hot air through the vents. When the car is idle the air is not as cold as it use to be. When they malfunction you will get only HOT air blowing from your vents regardless of which temp you set, whether A/C is on, or where you direct the air to come from. The indoor unit houses the fan that blows air through your home, but, long story short, it can only blow cool air if the outdoor unit is working. It's the fact you enter the vehicle in an overheated state and would appreciate the vent blowing air on your forehead. The air conditioner in my car is acting weird. Turn A/c on thermostat with auto fan, A/C kicks on but there is no air blowing through vents, yet if Heat is turned on than there is air blowing through. Reasons why your AC system is not blowing cold air. Unit is running outside, but no air period is coming out of the vents. that the cool air is not coming out of. Work the thumb wheel from one side to the other while checking the airflow. The cooling system and actuators will need to be properly inspected to find the source of the issue. It's 90-plus degrees outside and you sit in your car only to be doused with a blast of heat from what is supposed to be ice-cold air conditioning. Ford F350 AC only blowing through defroster vents My 2004 F350 diesel started blowing air out of the defrost vents only. 1994 S-10 Chevy Blazer air conditioner and heater blow through defrost and floor vents but will not blow through the console vents. Open and unblock any supply vents and return grates (the metal slots that blow and suck in air respectively). The struggle that the compressor, condenser, and evaporator have to go through to make a cool breeze coming out of your vents is quite extreme. A/C blows hot when stopped My 2007 CRV with 115k a/c works great when on the highway even in 100F temps. Another thing that gets this smell started is going through drive through car washes with you air on "intake from the outside" mode. If your car's AC vents are emitting a bad or strange smell, it does not necessarily mean you need a car air conditioner repair. We had a pretty warm day and I decided to try out the air conditioning. Hi all, I'm hoping this will be a good place to post this. my car heater is not blowing any airwhat can be the problem?. If it's dirty, replace it. An unpleasant odor emanating from the dash vents is commonly caused by mice or other small animals nesting in the air box -- which requires removing the nest from the inside of the duct or blower motor area -- or it can be caused by mold and bacteria growing on or around the air conditioner's evaporator core. Any number of culprits could be causing your car A/C to blow cold then warm air, including:. Does your AC run but not enough air comes out of the vents? This is a symptom of an airflow problem. Help! My heating and cooling appliance isn't blowing air! It doesn't matter what the temperature is outside, if your heating or cooling appliance isn't blowing air through the vents, it's time to call LIBERTYAIR. Why Is the Car Defroster Only Blowing Cold Air? If the defroster is unable to blow hot air, there may be a clog in the cooling system or a malfunction of one of the actuators for the vent doors. Hi, I have a '96 Collector Edition that in the past year has decided to stop blowing air through the main dash vents, but will still blow air through the top defroster vent and down in the floorboard. The air is cool but it just doesn't seem to be blowing enough air through the vents. The air comes through the vents in the rest of my home. A defroster produces heat using a heater core, which uses coolant to heat the air for a vehicle. Feel the air coming out of the air conditioner and assess how warm, cool, or cold it is. Adding Freon to Car AC - Gauge Readings Explained. Here's how: Chose a symptom that describes the problem, and then read through the possible causes. Get a technician to come out and find the problem. Air conditioning professionals will drill holes into the system near the furnace to insert thermometers just before and after the air has been conditioned. 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. ) yields the same result; much cooler air on the passenger side. The air is being sub cooled because poor air flow due to the list of the following, dirty air filter first, next a dirty evap coil in the air handler, duct work the has colasped in the attic. When the AC does start blowing out cold air, if I stop the car for any reason, even for a minute, when I start the car again, the AC doesn't work again. Don't Miss: This Hair Care Product Will Keep Water Spots Off Your Car for Good. We might not be able to completely solve your problem, but we can do our best to keep you cool and comfortable. Does your AC run but not enough air comes out of the vents? This is a symptom of an airflow problem. The air conditioner in my car is not blowing cold air like it used to. When I got in, I noticed not much cold air was blowing through the vents. Push your AC button, you know, the one that illuminates. Without the blower motor, the system is unable to push air through the vents inside the vehicle. your condenser may be dirty and the evaporator coils should be cleaned there may be inadequate air flow around the condenser. Hi we have a dodge neon 2000 & when we start the car and leave it runnin, turn on the heat, hot air blows out but its not enough heat to warm the entire car before it begins blowing cold air again We've replaced the thermostat, addded coolant, checked the radiator and controls, but we can't seem to find the problem nor fix the "no heat" problem. This 2007 Lincoln Town Car came in with the complaint that sometimes the a/c air would not blow out of the face vent. Low airflow can be caused by many different things, some of which you can solve on your own and others you’ll need to call in the professionals for. The air comes through the vents in the rest of my home. I regassed my aircon thinking that the gas ran out. The seasonal temperatures are here. Try Lysol (your choice of scent). My air conditioner and heater on my 1997 Mustang will only blow out the defroster vents. Once the frost builds up, your heat pump automatically goes through what we call, a defrost cycle to keep allowing the air to flow across the coil freely (which is a necessary function of your system). When an air filter fills to capacity, less air passes through the system altogether. Although air conditioners use significant power, the drag of a car with closed windows is less than if the windows are open to cool the occupants. but then again, i'm not certified in AC, so what do i know Re: AC evaporator freezes and no cold air coming through vents. ) Low air volume means that the air stream being fed into the vehicle cabin is impeded by something, such as a. But if the car is already on and the ac is on the off position and try to put it on ac or maxs ac it stays on windshield but with ac plowing cold air at it Any help plz. These are some of the reasons why your air conditioner may be blowing hot air. not dash vents. There is air being pushed through the system, seems to go to defrost or vents at feet. They are not sure. If the fan's not blowing, air won't be flowing very well. I set the AC on a boot pan, and ran a round drainage hose out the sliding glass door. 2003 Chevy Trailblazer after battery replaced dash vents don't work and no airflow from them. I'm planning on making another trip to the shop early next week if possible. I have not charged the A/C with new coolant in a long time, and the blower also does not always come on immediately when I have the A/C on. 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. On the first 3 settings it blows cool but never gets cold like it used to and on max it seems to get warmer. blow air out. So your car's AC was doing fine for the longest time. Try Lysol (your choice of scent). The fan is on and i can hear it running but no air blows through the front vents - it seems all the air is blowing through the back vents. your condenser may be dirty and the evaporator coils should be cleaned there may be inadequate air flow around the condenser. Thanks in advance. Your HVAC system is designed to send a certain amount of air through the house, based on its square footage. This usually occurs after the A/C has been running or after the truck has been sitting. As the title states, the A/C blows cold from the driver's side vent (closest to driver's window) and the rest of the vents are blowing warm air. Need help old thread , my ac blows through windshield vents , but if I turn the car off then turn it back on ,on tthe ac or max ac it works fine. Installing air conditioning in your muscle car is an easy project to tackle thanks to Vintage Air; allowing you to stay cool in your ride this summer. They are 4" wide and 14" long. I get a lot of questions about car air conditioning systems not blowing cold enough. I've had mine not cool at all once or twice. The clicking was rather loud and would go on for about 10 or 15 seconds. I had this fixed once before at a shop but I know it is a vacuum leak in the pass. 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. And if their is a cabin filter, where is it located?. I have no doubt it is the servo motor for the driver side as it has been clicking on and off for about 2 years now and just recently the noise had picked up. Your HVAC system is designed to send a certain amount of air through the house, based on its square footage. From what i've read this would be from a recurc door not working properly. When the car is idle the air is not as cold as it use to be. The primary moving part on an air handler is the blower assembly, a big motor with a fan. With over 60 years of experience, Midas’ expert auto repair technicians are equipped to diagnose climate control issues and are specially trained to repair car air conditioner and car heater systems. As did the author of this letter, you want your fan back. Go to the exhaust shop and have them check the exhaust piping and whatever else might leak with a gas sniffer. Seems a lot for an inexpensive part and labor. AC/Heating problems in 2002 Jeep Grand Cherokee The heated air in winter will flat blow out cold air. This article applies to the Ford Mustang V6 (2005-2014). If the vent temperature is much hotter than ambient, could have blend door problems. You can usually diagnose and fix the problem yourself in about an hour. Air conditioner not blowing through vents. The passenger side vent (in RED circles) does not get cold air at all. by wind direction through the attic vent area. I am a newbie who had an issue with my '97 TJ 4 cylinder Wrangler's HVAC system not blowing through the dash vents. The cold air will blow at my feet and at the defrost vent but it is like all the vents are blocked or are not opening. Vehicles without air conditioning or needing A/C repairs will have steamed up side and back windows which continually need wiping to clear. Either it's not getting electrical power or, more likely, the motor itself has simply. The motor or fan wheel can cause a rattling sound when your air conditioner is actively blowing air through the system. Closing vents in your home isn't an efficient way to manage airflow. The compressor will cycle on and off as needed based on the pressure that it needs to keep the system performing. Low airflow can be caused by many different things, some of which you can solve on your own and others you’ll need to call in the professionals for. Air Conditioner Pipes Icing Up. Almost any car repair shop will be. This is a discussion on Air conditioning not blowing though the vents within the General Help forums, part of the LSx Technical Help Section category; Air conditioning not blowing though the vents. There is no air coming from the vents, but when it does it's not cold air Read this. Any smelly odors coming thru the vents will be eliminated before blowing into your living space. When I got in, I noticed not much cold air was blowing through the vents. Check fuse number #60 in the multi fuse relay box (located on the left front of the engine compartment) It is a 40Amp fuse. We have had problems with unit but nothing to were we need to replace it just yet. The air is cool but it just doesn't seem to be blowing enough air through the vents. Smell Coming From a Car Air Conditioner. When I picked up the car the AC worked great, it was a short drive home so I didn't notice the problem. when i turn on the a. because I can't close the vents enough to keep. There are some ways to detect and find certain smells that are coming from your air. One room is hot and the rest of the house is cool. It seems cold air is now blowing out of the intake vent and hot air is blowing out of the vents. My issue was the compressor clutch not engaging. It wasn't such a big deal during the winter, it got warm enough. Does anyone know how to manually turn or make the AC blow through the front vents until I decide that I want to spend the money with Nissan?. Or worse yet, you come out to start the car one day, turn on the AC and it's blowing barely cold air when it was fine just yesterday. " Technology. either a vacuum line is disconnected (possible after installing a stereo) or the mechanism itself has become detached. Basic Car AC Gauge Set Hook-Up. Common reasons a car's AC isn't cooling. If it's dirty, replace it. Andres: January 11, 2017. The solution: If you have water dripping from your AC vent combined with low airflow, or air that is not as cool as it should be, there's a good chance that a refrigerant leak is the problem. Also smoke doesn't disappear in a few seconds, it will linger around and smell like burning. The center vents blow no cold or hot air regardless of the temperature settings. As the title states, the A/C blows cold from the driver's side vent (closest to driver's window) and the rest of the vents are blowing warm air. After starting up again in 5 - 10 minutes the air blows cold again. If not on auto, and I have tempt set at 70, fan blowing at upper body, the air coming out is burning hot and you can't even touch the vent because it's so hot. A standard dryer vent is 4″. When a filter gets dirty, it restricts the air trying to pass through, says Hatcher. I have a digital climate control unit, the dash vents does not blow air but if I switch it to roof vent or other vents they operate. ) Low air volume means that the air stream being fed into the vehicle cabin is impeded by something, such as a. Air conditioner turns on but only blows out of defrost vents what could this be. I don't know a whole lot about cars but I couldn't find a simple, detailed fix for my problem so I thought I'd create one for other beginners. "BTW, it's not just the ambient temperature in the vehicle. Whats wrong if the front vents in my car will not blow air but the vents near the floor and windshield will? i have a 1996 ford taurus gl. With over 60 years of experience, Midas’ expert auto repair technicians are equipped to diagnose climate control issues and are specially trained to repair car air conditioner and car heater systems. I switch the vent flow to windshield and cold air blows. One room is hot and the rest of the house is cool. My a/c works and runs fine and does cool down. But if the car is already on and the ac is on the off position and try to put it on ac or maxs ac it stays on windshield but with ac plowing cold air at it Any help plz. Normally I have good google fu, but I can't make heads or tails out of this AC system I'm fairly sure I can see the compressor, it's the top middle one on the belt diagram. Adding Freon to Car AC - Gauge Readings Explained. The air conditioning is working great in the front but in the rear is a whole different situation. Then the problem started, the blower stopped working and no ac. You get 5 pads to place in your vents. So you’ve noticed that those air vents are beginning to smell stale. The seasonal temperatures are here. The reason why I said sometimes is because it stopped working for a day the…. Unfortunately, for a lot of people, this is an everyday occurrence. 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. Checking the system from time to time is crucial to keep it in a good condition. Reasons why your AC system is not blowing cold air. The air is being sub cooled because poor air flow due to the list of the following, dirty air filter first, next a dirty evap coil in the air handler, duct work the has colasped in the attic. AC & Heater Won't Blow Through Dash Vents It would blow through the floor and defrost at any temperature I wanted but it just wouldn't come out the face vents. I pulled up to a stoplight and noticed that the vents had stopped blowing air. Today my vents stopped blowing air. If the A/C” button indicator flashes, there, move the lever to select air source, to cool off your Toyota after it has been, parked in the hot sun, drive with. While there are a variety of reasons your car's air conditioning might not be operating at top performance, the most common are a refrigerant leak, an electrical climate control issue, or a. 2 or 3 years ago the air the car was blowing smelled like ass (seriouslyass) so I took it into the dealer and the guy sprayed some strawberry air freshener stuff in my vents. The air actually cools off before it gets to any other room. I have not charged the A/C with new coolant in a long time, and the blower also does not always come on immediately when I have the A/C on. The blend door, which is working perfectly fine, shuts air flow to the heater core. One of the most common reasons for a window air conditioner to fail to deliver cold air is incorrect mode selection. While in Chicago, I did change the cabin filter. How to fix: Hire an AC professional to clean the dirty coils. The air conditioner won’t run properly unless your engine is running. I had this fixed once before at a shop but I know it is a vacuum leak in the pass. By Gary Motley Master Certified RV Technician. Portable 12V Air Conditioner --Cheap and Easy!: This project is my dad's $10 solution to a $500 solution to a $25,000 problem. the hot/cold lever seems normal and is not hanging or dragging when I turn it. Work the thumb wheel from one side to the other while checking the airflow. It’s important to know what’s going on underneath the hood of your car. i'll check those vaccuumes again. Sometimes blower motors and/or their resistors will fail and stop pushing both hot and cold air through the vents. The AC dial is set to automatic on the dash. It wasn't such a big deal during the winter, it got warm enough. 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. From what i've read this would be from a recurc door not working properly. Thanks in advance. Instead the air would flow from the defrost and floor vents. At the end of the day, it may just be time to replace it. Car heater tips: Windows fogging up? Turn on the air conditioner Blowing air on “high” through vents faster will not warm it more quickly Unlike your car’s air conditioner that uses. 00 to do it. In the winter lots of cold air seeps in, so I made a cardboard insert that I put under the grille and can remove when we need to use the fan. We have been told it could be some faulty switches – a relay switch or a “high temp” switch. We provide free auto repair tips on finding and fixing problems with car heaters that are blowing cold air out the dash vents. The fungi in your air-conditioning grow on a part called the evaporator core, which is deep inside your dashboard. Poor maintenance of the air conditioning unit is the main culprit for car air conditioner not blowing cold air when idling. Receive helpful tips and a free copy of my popular auto-repair ebook, A Mechanic Comes Clean. 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. One of the most common parts related to AC issues is the compressor. Switching through the different settings (floor, bi-level, upper vent on/off etc. No air comes out of the vents when recirculation is on, but everything functions when recirculation is off. and press rear defrost 5 times), it runs through the test and doesn't give off any DTC's, led. The ducts only eventually seem to stop blowing air when I turn on the AC (after a few hours). Your air conditioner has a set of indoor coils that absorb heat from your home’s air, as well as a set of outdoor coils that transfer heat from your home to the outdoors. But now that the heat will be here, I would like to get the AC blowing. With our troubleshooting guide, you may be able to fix your air conditioner affordably and quickly. in my car for the air.