I get a lot of questions about car air conditioning systems not blowing cold enough. But when it’s on 1/2/ or 3 I hear the motor working, but there is no air blowing. "Why is my air conditioner blowing air, but it's not cold?" Well, it obviously means your AC isn't doing its job. Checking the system from time to time is crucial to keep it in a good condition. Something happened last night and the air started blowing but after about 30 minutes no air blowing. " Technology. How car heating and ventilation systems work on to blow air through the system when the car is separate supply of cold air to the face vents, even when the. My a/c works and runs fine and does cool down. The Causes Why Car AC not Blowing Cold Air When Idle? The problem occurs at most cars at some point in their lifetime. Complete air conditioner systems are available for cars and trucks, and you can also find specific equipment and parts for climate control in a wide range of makes and models. I'm posting about a new to me '07 LR3 HSE. Went to dealer and asked if they would look at the car to diagnose. When we got back to the car, I noticed hot air blowing from the vents. The most common cause of window air conditioners not blowing cold air is a lack of adequate air flow. Air only blows through defrost vents not front vents in my car? Today i noticed my air was no longer blowing out of my front vents where the A/C is supposed to blow out of, instead it was blowing out of the defrost vents along the windshield. Car A/C not blowing through the top. Instead the air would flow from the defrost and floor vents. While in Chicago, I did change the cabin filter. 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. Want to keep your air conditioner super energy efficient? Cleaning the air conditioner’s outside unit is just one of many tasks that need to be done to maintain your system’s energy efficiency. Receive helpful tips and a free copy of my popular auto-repair ebook, A Mechanic Comes Clean. If the fan's not blowing, air won't be flowing very well. Just doesn't work on Driver and Passenger "face" vents. 2002 Jeep Grand Cherokee AC Problem -- Simple Fix! replace it and the air is blowing again through the front vents and any other vents the climate control is turned too. and press rear defrost 5 times), it runs through the test and doesn't give off any DTC's, led. I was wondering if using an air vent mount holder , which implies that the phone will be in proximity to the air conditioner vents can actually damage the phone? I'm not a huge user of the car's A/C system but during winter time I have no choice. If you are not getting. What is that terrible musty/mold smell coming from my air vents? There have been numerous complaints of a bad musty/mold smell coming from the air conditioning vents. Another thing that gets this smell started is going through drive through car washes with you air on "intake from the outside" mode. 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. The air actually cools off before it gets to any other room. It’s why you might be feeling warm air blowing through your vents. 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. 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). dead insects or bits of. when i turn on the a. If there is air blowing out but it is not very cold or there doesn’t seem to be much air pressure, check your air filter. When I walked past it this morning it said 80 degrees. If I set the temp to 60 it blows cold air and both sides feel the same, I didn't check the actual temp of each vent though. Turn the air conditioning on while the car is running. When your car is low on coolant, it won't be able to send any to the heater core to create warm air. A standard dryer vent is 4″. Under heavy acceleration or engine load, the unit stops producing cold air. 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?. ) Low air volume means that the air stream being fed into the vehicle cabin is impeded by something, such as a. Car A/C not blowing through the top. since you say the vehicle will completly stop blowing air, makes me wonder if you are having a compressor issue as well. What I was trying to say was it is normal for the fan blower to blow on low when the switch is on. " Technology. 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. To prevent issues with air flow through your AC ducts into the rooms of your home, be sure to never store items in your attic on top of any ductwork. 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. If I switch to defrost, I can feel the air, so the fan is working. The new unit should be in by tomorrow. In most cars, the vents can pipe in neutral air, heated air, or air-conditioned air. I am a newbie who had an issue with my '97 TJ 4 cylinder Wrangler's HVAC system not blowing through the dash vents. So there must be an internal leak inside the EATC itself. The driver side vent seems to be a mixture of hot/cold and the passenger and rear is all hot. This 2007 Lincoln Town Car came in with the complaint that sometimes the a/c air would not blow out of the face vent. If the vents close on acceleration, it's almost definitely a leak unless you also have a bad running problem resulting in very low vac, and even then there is usually enough in the reservior to "coast" the AC over low vac condition. Portable Exhaust Vent with 5. While in Chicago, I did change the cabin filter. This door is controlled by a thumb wheel that when activated will open and close the vent air flow door. Best Answer: You do not say if it is a central unit or a window unit so here we go, first is is not steam or freon. I was given a 1998 Buick LeSabre with only 68,000 miles on it! Runs great but has a few minor issues including the problem with no air blowing from the mid dash vents. Is the fact that the blowing of hot/cold air from the vents towards the phone implies that the. Whenever this happens, the amount of air the central air system has to condition diminishes. If your car's air conditioner isn't working properly and is blowing hot air then one of these systems isn't doing its job properly. You can hear the AC running and its blowing cold air through the lower vents in front seat. Learn more: Why Is My Air Conditioner's Refrigerant Line Covered in Ice? Problem #3: Air duct issues. 1994 S-10 Chevy Blazer air conditioner and heater blow through defrost and floor vents but will not blow through the console vents. I regassed my aircon thinking that the gas ran out. So if air is blowing out of your vents but it’s not cold, it could be that the circuit breaker has tripped or the fuse has blown on the electrical circuit that provides electricity to your outdoor unit. Car Air-conditioning Compressor. there is a vacuum controlled mechanism under the dash that closes off the defrost to get air blowing through the vents. How Car Air Conditioning Works. 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. Like the title says, my 2008 Mazda 3 AC is working, the compressor turns on when I switch it on (manual "dial" controls) but the cold air doesn't blow. 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. 2008 Mazda 3 - AC cooling but no air blowing through vents. Watch Video. Service, parts, cost & recommendations from YourMechanic. not dash vents. If I set the temp to 60 it blows cold air and both sides feel the same, I didn't check the actual temp of each vent though. A/C question: My outside unit runs, but no air is being pushed through the vents in the house. While in Chicago, I did change the cabin filter. Kraftex Air Conditioner Hose. So if your car’s heater only blows cold air out the vents, read the following car repair article to gain a better understanding on how the heater system works and how to make it blow hot again. Verify if you are able to feel air blowing through the vents. Toyota Camry a/c blowing hot air, Toyota, Lexus, and Scion, 16 replies 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. When they go bad, you only have one speed, full blast. Step 1 - Most air control vents are equipped with a flow control door that is located at the vent outlet. Problem is the air will not blow out the front vents. Car Heater Not Blowing Hot Air: A Bad Blower Fan Motor. ) yields the same result; much cooler air on the passenger side. I then pressed the Auto button and the A/C came on and directed air to the panel and everything was normal again. The AC dial is set to automatic on the dash. It would blow through the floor and defrost at any temperature I wanted but it just wouldn't come out the face vents. However, when the unit is properly set to "Cool" but it doesn't blow cool air, possible problems include low refrigerant, dirty air filters and coil freeze-over. Another thing that gets this smell started is going through drive through car washes with you air on "intake from the outside" mode. Car heater problems are also frequently associated with heater core difficulties: coolant may not be traveling through the heater core properly, the air from the blower motor is not reaching it or there. How Car Air Conditioning Works. My 95 Grand Prix won't blow hot or cold through the vents. This will restrict airflow through your system and lead to an AC that isn't blowing very hard. Find the procedure in a shop manual (at auto parts stores for about $20). Hit the Rear and cold air blows back there. If you close too many vents, air pressure will build up in the ductwork. I tried searching for this problem and couldn't find it. Air Conditioner blows out the defrost I have a 2003 F-150 King Ranch 5. A new door actuator costs less than $100. Turn dial all the way to cold, passenger and driver vents blow cold air (expected) – turn dial all the way to hot, passenger side blowing out the same cold air but driver’s side blowing extremely hot air. Is Your Air Conditioning Not Blowing Cold Air? Summer is coming up fast and home owners are scrambling to make sure their air conditioning is up to par when it is needed most. As it gets used, your car's air conditioning begins to emit a bad smell when you turn it on. It proceeds along a set pattern with the easiest things tested first and more difficult later. I also tried heat with similar results. We have been told it could be some faulty switches – a relay switch or a “high temp” switch. Stupidly, I turned the car off when I arrived and when they turned the car back on, the AC worked. So your car's AC was doing fine for the longest time. I have a 2005 Dodge Dakota and I am not getting any air through my vents. Not likely, but. The door remains open about an inch, and I put a strip of foam down the door. The air actually cools off before it gets to any other room. It is an early type of automobile "air conditioner. The motor or fan wheel can cause a rattling sound when your air conditioner is actively blowing air through the system. 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. Also check fuse #3 on the driver's side underdash fuse box. 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. The most recognizable symptom of a bad A/C expansion valve is when you turn on your air conditioner and warm air starts blowing out of the vents. It doesn't matter if it is on auto or just fan same thing happens, with heater ok with A/C not ok. 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. Air is coming vents when on defrost setting also while on defrost its coming from front dash as though defrost is needed. Troubleshooting air conditioning isn’t difficult. A/C Not Blowing Air. When it comes to figuring out what is wrong with an air conditioning unit, most people would prefer to leave it to a licensed professional. Car air conditioning: fresh air vs If Im going through a place where it looks like the air is dusty or a plume of pollution has formed (say from a sooty truck. Start with the fan speed turned to its highest setting. Start by engaging the AC and turning the fan to its highest setting—make sure the re-circulation option is off, as you want outside air coming through the vents. Checking the system from time to time is crucial to keep it in a good condition. Air conditioning systems are cold and wet and make great breeding grounds for bacteria and mold, and adding a nasty odor to the air coming out of the vents. We have been told it could be some faulty switches – a relay switch or a “high temp” switch. The good thing is the extra warranty is going to pay for this (over $1500. If your air is blowing cool but not cold, the problem could be a clogged filter, cooling fan problem, radiator trouble, or it could simply be that you need to recharge your AC. The part that many of the mechanics I have taken the Jeep to is. 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. You get 5 pads to place in your vents. If the coils get clogged with lint, dust and dirt the cooling system cannot provide the cooling necessary. Believe it or not, something as simple as a dirty filter could be what's causing your air conditioner not to blow hard. 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. If an air conditioner isn't clean and sat in a garage somewhere for months or years, it's likely that a lot of dirt and dust has settled within the unit. The cooling system and actuators will need to be properly inspected to find the source of the issue. Hi, I have a Honda civic 2011. We have about a 20 year AC unit in condo. 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. I had a car, That my wife dropped a kleenex on the floor it eventually made its way up to the intake vent in the front of the. This is the basic operation of the A/C system so let’s move on the some troubleshooting tips. So your car's AC was doing fine for the longest time. I've had mine not cool at all once or twice. Hit the Rear and cold air blows back there. In order to get the hot air from continuing to flow, I have to turn the fan switch back on AND set the air conditioning switch on to get cooler air to flow through the vents. Adding Freon to Car AC - Gauge Readings Explained. Not to mention the heat index, which makes it feel like 105-110 degrees! Those temperatures, along with extreme humidity, are an air conditioning system's worst nightmare. If you can use a wrench and remove hose clamps, you're ready. 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. When recirculation is on, I can hear the fans blowing hard, but nothing comes out into the cabin. When it melts, the condensation can drip out of AC vents in the ceiling. When the car is idle the air is not as cold as it use to be. Air conditioning systems are cold and wet and make great breeding grounds for bacteria and mold, and adding a nasty odor to the air coming out of the vents. We have about a 20 year AC unit in condo. ImperialCrown wrote about the common problem of having cold air coming from one vent and hot air from another: For cars with automatic temperature control (ATC), the interior temperature is often “watched” by infra-red (IR) sensors in the dashboard. "Why is my air conditioner blowing air, but it's not cold?" Well, it obviously means your AC isn't doing its job. There is a couple of "doors" on the blower motor that sometimes get stuck or broken, I took my jeep into an offroad shop and they fixed it with spare parts. The drain line in your air conditioning unit can become clogged over time with dirt and debris, pushing the water back into the pan. in my car for the air. 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. Is the fact that the blowing of hot/cold air from the vents towards the phone implies that the. why a/c is working but not blowing air from face vents. The compressor will cycle on and off as needed based on the pressure that it needs to keep the system performing. If dirty it causes a drop in air speed out the vents, hence, not as cold feeling. My '02 x-type has some really nice and cold air coming out from the AC, but unfortunately, it's all focused on my feet. The AC compressor fan on the unit outside the house or the blower fan (main house circulation fan for AC or heat, the fan that blows air out the vents) and usually part of the furnace? Reason for asking is that if a heat pump system, then the compressor fan might well be running and not the blower fan. 5 Amp fuse that goes to your Rear heater A/C mode control motor. This 2007 Lincoln Town Car came in with the complaint that sometimes the a/c air would not blow out of the face vent. This is due to micro-organisms that have accumulated over time in the system vents. 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. Repair as necessary. There has been much debate on the effect of air conditioning on the fuel efficiency of a vehicle. But all jokes aside, a bit of smoke coming through the ventilation system need not necessarily spell doom for. We drove home with the windows down, and stopped for gelato about half way home. My car has fumes coming in through the air vents. Air is blowing through the front vents. When this pan becomes full, it can overflow through the air vents. Most home inspectors will take the temperatures at the vents and at the return chases. The fungi in your air-conditioning grow on a part called the evaporator core, which is deep inside your dashboard. During battery replacement, the control module for the mode actuators may lose its memory. These are some of the reasons why your air conditioner may be blowing hot air. - Answered by a verified Mechanic for Honda. -I ran the diagnostics test (turn ignition to II, turn on vent and temp. A work around, of sorts, is to manually drop the blower speed to the lowest speed setting. Then, gradually, you began to notice that it wasn't really blowing cold air anymore, or that it would only blow cold when the car was moving but not at idle. My AC turns on but no air is blowing through the vents. But now that the heat will be here, I would like to get the AC blowing. Feel the air coming out of the air conditioner and assess how warm, cool, or cold it is. 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. A faulty automotive air conditioner can be one of the more difficult issues to diagnose and repair. Air conditioner turns on but only blows out of defrost vents what could this be. Hot air comes from the vents when the AC is off due to ducting "gains" (heat we are talking about). How to fix: Hire an AC professional to clean the dirty coils. 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:. No air: If there is no air blowing out of the vents, your problem likely lies with the air handler in your attic. I set the temp to 60 degrees but all I got was what I call room temperature air. It doesn't matter if it is on auto or just fan same thing happens, with heater ok with A/C not ok. Re: Clicking sound behind dash and air conditioner only blows through the defrost vents Post by greg. AC unit blows cold air out the defrost vents but not the main vents. There is no air coming out of the A/C vents, but only from the defrost vents at the top of the dash. Switching through the different settings (floor, bi-level, upper vent on/off etc. The reason why I said sometimes is because it stopped working for a day the…. I can see that there are 4 solenoids inside it that are responsible to change the functions. 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. My AC will only work through the defrost vents. The fan will still continue to now blow cooler air through even though the fan switch is turned completely off. On my mothers 2000 E430 she's getting warmer air out of the right half of her vents than the very cold air coming from the right side vents. my air conditioner is running but not putting out cold enough air, I checked the pvc pipe that the condensation should run out of but it is dry however there is not any leaking of water anywhere around the unit, I used a wet/dry vac to clean the pipe in case it was blocked, but still nothing. The blend door, which is working perfectly fine, shuts air flow to the heater core. There is one room that the air comes through the vent but it is very weak and not cooling the room. When you press the AC button, you can hear the clutch. Stupidly, I turned the car off when I arrived and when they turned the car back on, the AC worked. Not to mention the heat index, which makes it feel like 105-110 degrees! Those temperatures, along with extreme humidity, are an air conditioning system's worst nightmare. I had this fixed once before at a shop but I know it is a vacuum leak in the pass. Also, the two drivers' side vents were just a couple of degrees cooler then the passenger side. When you drive, the ride should feel smooth and not like. There are some ways to detect and find certain smells that are coming from your air. generally the volvo uses motorised valves to translate the input air direction on the dial to air blowing out of the correct vent, if the valve sticks or the motor fails then the vent does not open and you dont get air. 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. I have a 1996 Corvette. When you turn on the air conditioner in your car, do you often have a distinct car air conditioner smell that is weird or repugnant? If this is the case, then there is definitely wrong with your car air conditioner. My front air seems to work really well but the rear is just way too warm. And to give you a few ideas on what could be wrong with your car, here is a list of some common car AC problems and. 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. It would blow through the floor and defrost at any temperature I wanted but it just wouldn't come out the face vents. I get a lot of questions about car air conditioning systems not blowing cold enough. I'm not too mechanically savvy so forgive me if it might be something simple! Any ideas? And yes, the vents are in the open position. Believe it or not, something as simple as a dirty filter could be what’s causing your air conditioner not to blow hard. You've come to the right place for air conditioner repair help. If the blower is running but your not getting any air, A low AC. Most of those solutions deal with tweaking your a/c settings, and I can't. HOWEVER, the front main vents do NOT blow anything, which is the most important. Am getting heat when on heat out of floor vents. I'm not sure why it's like this, I have a SRX and it also does the same thing if not set on auto. Poor maintenance of the air conditioning unit is the main culprit for car air conditioner not blowing cold air when idling. Proper Ventilation: You’ll need to pick a place to vent your air conditioner – you can use an exterior wall, the garage door, or small glass windows. 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. 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'. Either it's not getting electrical power or, more likely, the motor itself has simply. [Response:] There are 4 areas where the source vacuum can be shut down and make your vents not change over: 1. "BTW, it's not just the ambient temperature in the vehicle. my 2000 golf tdi is blowing hot air out the vents even when the fan is 'off'. I am new to this site and wondered if anyone could assist me on my E46 318i F/L. COM — Why does your car heater blow cold air? Chances are that if you’re getting a blast of cold air you don’t want when you turn on the vehicle’s heater or defroster, it’s a sign. Does the rest of your switches work correctly (vents, AC, heat, vent air,etc)? If the problem is your selector knob (it won't switch to or off defroster) I'd start there. I had this fixed once before at a shop but I know it is a vacuum leak in the pass. Clogged Drain Line. to cold, etc. Here's how: Chose a symptom that describes the problem, and then read through the possible causes. If your A/C system is not working 100% at the end of the summer season and you think you will get it fixed next year, do not put it off or you will do damage to your compressor. AC unit blows cold air out the defrost vents but not the main vents. We have had problems with unit but nothing to were we need to replace it just yet. Get a technician to come out and find the problem. The low temperature refrigernat passes through the evaportaor which causes the evaportator to get cold. If the air is warm to cool, but not cold as it should be, there may be an issue with air flow. if you go through a drive through car wash, shut of your air or at least turn it to "recirculate" so the water does not get taken in through the vent by the windshield wipers. ill from mold and other air born pathogens from their vents. Unlike the others who posted about the problem, My car had been sitting for several hours. mine is the oppisite. In theory at least, the temperature of the air from your vents should be the same as the ambient temperature. The motor or fan wheel can cause a rattling sound when your air conditioner is actively blowing air through the system. Air conditioner not blowing through vents. Please refer to a repair manual for further instructions. So now my AC is blowing out cool air. A work around, of sorts, is to manually drop the blower speed to the lowest speed setting. This will restrict airflow through your system and lead to an AC that isn't blowing very hard. Vehicles without air conditioning or needing A/C repairs will have steamed up side and back windows which continually need wiping to clear. 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. Basic Car AC Gauge Set Hook-Up. Find the procedure in a shop manual (at auto parts stores for about $20). 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. Like Jerry said, "auxiliary" drain is not a secondary drain which is integral to the unit, it would be the auxiliary pan drain under the unit which would have no reason to be trapped. dead insects or bits of. AC is not blowing cold air or is blowing warm air. front fender. Clockwise is open, counterclockwise is closed, viewed from the right hand side. Air conditioning not blowing though the vents. When I turn the Air Conditioner on the cold air does not blow from the vents. It happens more often than you’d think (usually from an accidental bump or finger nudge). Car Air-conditioning Compressor. My AC turns on but no air is blowing through the vents. Here is a picture of stuff blowing out of intake vent. 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. I changed the blower relay in the fuse box next to the battery and put in a new blower fan under the glove box but it still does not blow air out in the front. The air comes through the vents in the rest of my home. If you close too many vents, air pressure will build up in the ductwork. 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. Why doesn't air blow through vents of Ford Taurus? Well I am not sure where you are located but there are many businesses that will fix car air conditioners. I have a programmable thermostat. The driver side vent seems to be a mixture of hot/cold and the passenger and rear is all hot. It gets vacuum, but will not blow out other vents. Almost every vehicle today comes with air conditioning standard, except for the base Jeep Wrangler, for example. 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. Almost any car repair shop will be. Post by Kolb » Tue Jul 12, 2011 7:42 pm 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. 2) Check your air filter — If the air coming out of the supply vents is weak and not very cool, check to see if the air filter is dirty and change it if necessary. The tips in this article are very basic and NOT intended to be a complete guide for servicing your AC system. As time went on, there was less until there was none. I pulled up to a stoplight and noticed that the vents had stopped blowing air. 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:. BTW:The coolant control valve has two electronic actuators that divert the coolant in the appropriate manner. 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. If you are getting warm air you can open the hood to see if the A/C compressor clutch is engaged. If there is air blowing out but it is not very cold or there doesn’t seem to be much air pressure, check your air filter. In this short auto repair article, a master automotive technician shares his experience, derived from working on air conditioners in. One AC man said "It does fine with me. 2008 Mazda 3 - AC cooling but no air blowing through vents. This isn't necessarily a common symptom, but it's possible. (1) Not enough amount of air is coming out the car ac vents even when the fan is at maximum setting or more worst than that is the car AC is not blowing air from the vents. Proper Ventilation: You’ll need to pick a place to vent your air conditioner – you can use an exterior wall, the garage door, or small glass windows. We have had problems with unit but nothing to were we need to replace it just yet. 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. And if their is a cabin filter, where is it located?. Stop in at your local Midas store or use the quick links in the gold bar to book an appointment online today. 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. Don't Miss: This Hair Care Product Will Keep Water Spots Off Your Car for Good. This includes cleaning your indoor and outdoor units. This article applies to the Ford Mustang V6 (2005-2014). When I picked up the car the AC worked great, it was a short drive home so I didn't notice the problem. A standard dryer vent is 4″. Usually an affordable fix, the hardest part is finding the location of the resistor under the dash.