There are few things more uncomfortable than a hot car on a humid day. Be sure to ask the mechanic to check for Freon leaks while he’s refilling or recharging the system because you don’t want the AC to stop working again in a month. Nzereogu kelechi. This makes your alternator and belt/pull system work harder. Car air vents / Image source. While not being able to turn the air conditioning off is a problem, not being able to turn it on in the first place is arguably worse - whether you rely on it to help you to demist your windscreen in the winter or to keep you cool behind the wheel in the summer. It can happen anytime or anywhere, so you don’t need to bother about it. This is may be the problem with your radio if it does not turn on completely. No air is coming from the vents. It's rather a deadly mistake. Pieces of debris and mud can hinder airflow under the hood of the car, which will prevent your AC from working. Loud squealing or screeching is the most common noise drivers experience when they turn on a malfunctioning AC. Your AC contactor and capacitor both work separately to help turn on the components in your outdoor AC unit. But the AC is not blowing cold when turned on. The AC is not blowing cold when turned on. Be sure to replace the AC filters as often as recommended by the manufacturer of your vehicle. If the air coming out is warm, the coolant could be leaking or you may need to clean the AC condenser. What should I do? But it is preferred that you know the causes of this dilemma so that the mechanics cannot take you in hands. This will quickly cause the A/C unit to only expel hot air. If the battery voltage reads below 12.5 volts, the compressor will not turn on. https://www.wikihow.com/Diagnose-a-Non-Working-Air-Conditioning-in-a-Car If this doesn't work, then you can use a fuse tester to see if your blower motor is getting power. The most common causes when car AC is not blowing cold air are an empty AC system, faulty air compressor, faulty AC pressure switch, and a clogged cabin filter. You may consider using an electronic leak detector, which can detect much smaller quantities of refrigerant. The owner of the car says he had the serpentine belt replaced. The air conditioning system is put together with several fittings and seals, which are potential weak points that can corrode and wear away over time. Over a certain number of years, this stress will wear down the compressor and cause it to eventually malfunction. The reason your air conditioner won't turn on could be because the condensate drain line is clogged. Your car's air conditioning uses refrigerant, a fluid designed to vaporize at a low temperature, to cool the air before it blows through the vents into the passenger compartment of the vehicle. Very helpful to those not familiar with mechanics! ", "When I go to have my AC checked, I will have a lot more info. As such, it is also very susceptible to corrosion. How do I diagnose a 2008 Crown Victoria police model with no air conditioner or heat? You may even find a simple DIY solution to get your air flow going again and get back on the road. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. When your air conditioner won’t work, put on your DIY hat, take a look at the system, and try to figure out what’s wrong. Blend doors change position when the temperature selection is changed, blocking the flow or permitting the flow of either hot or cold air. I burnt out the ignitor and just replaced it. This is often a warning sign that the fan’s motor is wearing out. If not, you could have a bad compressor or fuse; check the fuse first. One of the most common problems with an automotive climate control system is a lack of blower pressure or no blower at all. Your car manual may have instructions on replacing the cabin filter. Ground wires can be disturbing if they are not correctly grounded. We welcome your comments and Today my car’s AC fan wouldn’t come on at any speed setting, only to come on later in the day… what could it be? You park your car, turn off the ignition and start walking away. AC compressor is an important part in the car’s air conditioning system. Questions of a Do It Yourself nature should be Never touch your eyes or mouth after handling Freon or other chemicals. I have a 2002 BMW X5 4.4, when I turn the car off, the blower motor stays on, indefinitely (this is not the 16 minute delayed cool-down fan), and the ac does not work, and the climate control panel is black. Wear long sleeves and gloves whenever possible. 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 problem with the air conditioning compressor. Troubleshooting a car's air conditioner is an important part of knowing your car, and can be a real life-saver in the summer heat. Turn off the AC 2-5 minutes before you shut off your vehicle but leave the fan on. Start with the fan speed turned to its highest setting. Get to know your own AC system, and you’ll find out that it’s not as complex as you think it is. Join the fastest-growing online community for car enthusiasts for … This article has been viewed 1,400,108 times. With a little bit of science know-how, you … There are other components that could also be bad. This is what the condenser does. ", "The air filter was most important to me, thanks a million! This will make your AC system lose Freon so cooled air flow is noticeably warmer. Possibly either a fuse or the blower motor isn't working. If you still get a low reading, the battery has a shorted cell and must be replaced. There was a slight smoke coming from the area of the belts. Compressor Rotating. Then look at the front of the compressor clutch. Then he told one of the guards to fetch Gaius. The ac/heat worked great until a couple days ago. To stop the engine from overheating, we take the help of coolants that flow through a radiator into the engine. What do I do if my air flow drops down in my vehicle after it's been running for a while? After turning the furnace on,... Wonder if anyone can share some tips. Car AC system, unlike home AC systems, use a very low pressure refrigerant and it does not take much power to compress it to a useable temperature. Use the key to start the car and turn the air conditioner on high. ", How to Diagnose a Non Working Air Conditioning in a Car, http://www.agcoauto.com/content/news/p2_articleid/256, http://www.motor.com/article.asp?article_ID=1874, http://www.firestonecompleteautocare.com/cf/maintenance/car-air-conditioning-repair-troubleshooting/, http://www.youfixcars.com/blower-motor.html, https://www.youtube.com/watch?v=PMM80xlon3U, http://www.agcoauto.com/content/news/p2_articleid/258, http://www.youfixcars.com/automotive-air-conditioning-safety.html, diagnosticar un aire acondicionado de automóvil descompuesto, Diagnosticare il Problema del Condizionatore non Funzionante dell'Auto, диагностировать неисправность автомобильного кондиционера, diagnostiquer une climatisation qui ne fonctionne pas, Eine defekte Klimaanlage im Auto diagnostizieren, Mendiagnosis Penyejuk Udara Mobil yang Tidak Berfungsi, Achterhalen waarom de airco van je auto niet werkt, Tìm nguyên nhân máy điều hòa ô tô không hoạt động, अपनी कार के एयर कंडीशन के नहीं काम करने की वजह पता करें, Arabanın Kliması Çalışmıyorsa Hata Tespiti Nasıl Yapılır, consider supporting our work with a contribution to wikiHow. September 18, 2019 Reply . Turning the system off for a while and letting it thaw will temporarily solve the problem. Why You Shouldn’t Use Your Car Air Conditioner. To run this compressor, the car’s engine is directly connected to the pump rotor of the compressor with a belt. Well, I don’t think it’s the fuse (otherwise the fan wouldn’t come on at all,) it’s probably not the blower motor resistor either. Sure, if the fuse that feeds your AC compressor or relays is blown and not delivering +12VDC you will have no AC. Very informative, thank you. Check the belt to see if it's loose or missing. Turn the air conditioning controls to MAX AC and start the engine. Your car should be running with the AC on to check the compressor clutch. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. If you find any of these problems listed below in your central air, contact your favorite HVAC contractor for additional help. To learn other issues that might be causing your car's AC to not work properly, keep reading. This will save you time and money with a mechanic, and could make it possible for you to fix the problem yourself. When it does happen, you're left with a miserably underpowered heat or AC system. The Heat and AC just stopped working one day while I was driving, there was no noise or anything, it just stopped suddenly, it does not blow out cold or hot air at all either. ", auto mechanic myself, just wanted more information. Here is a more detailed list of the most common causes of a car AC not blowing cold air. If it turns out that the motor works fine, then you can eliminate this as a likely culprit. Fun fact: Your AC probably needs up to 3 times the amount of power at start-up than it uses to run. The air conditioning not only cools the air in the summer, it also dries the air. Usually, it results in your air conditioner running, but not cooling your home, but it can also keep your AC from turning on at all if it's bad enough! This article has been viewed 1,400,108 times. wikiHow marks an article as reader-approved once it receives enough positive feedback. The air conditioner compressor itself will have a belt around it. With the car turned off, open your hood and take a look at your AC system. That means a trickle out of your vents instead of the rush you asked for. clutch on the end of the compressor does not turn) it is one of 3 things. Use a leak detector around your A/C hoses and compressor to see if this is your problem. It’s impossible to troubleshoot problems with your air conditioning if you don’t know much about how it works. What do I do if my A/C isn't blowing air? If you believe your system is leaking, take it to a mechanic to get it resealed and have the hoses replaced. If you use your air conditioner frequently, you should only have to refill your Freon or recharge your AC once a year at most. Have an assistant turn on the AC controls to maximum. wikiHow is where trusted research and expert knowledge come together. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/d8\/Diagnose-a-Non-Working-Air-Conditioning-in-a-Car-Step-1-Version-7.jpg\/v4-460px-Diagnose-a-Non-Working-Air-Conditioning-in-a-Car-Step-1-Version-7.jpg","bigUrl":"\/images\/thumb\/d\/d8\/Diagnose-a-Non-Working-Air-Conditioning-in-a-Car-Step-1-Version-7.jpg\/aid947911-v4-728px-Diagnose-a-Non-Working-Air-Conditioning-in-a-Car-Step-1-Version-7.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

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\n<\/p><\/div>"}. The car AC pumps cool air at an RPM of 1500+, so in order to get the cooling, you need to maintain an RPM of 1500+. Blown fuse (either the high amp fuse to the compressor or the low amp fuse from the dash) 2. My Air Conditioner is Not Turning On. A blower motor may have a resistor problem if your air only blows on the high setting but will not blow on a lower setting. Have a mechanic check over the electrical system for the compressor, and this could put your AC back in business. this is the blower located just behind the dash board, propels air for AC. If your starter cable becomes corroded, it can be cleaned rather easily. "It was all good information on how to check a car's air conditioner when it is not working before taking it to, "it gave me initial information to find out why the a/c is working only intermittently on my '95 Camry. After all, there's no point in having the A/C on until the last second, keeping your car cool for a few minutes after you've left it. After the car sits overnight, … The cold Freon then goes through an evaporating core, where the cold air it creates is released into the car. Here is a more detailed list of the most common causes of a car AC not blowing cold air. When the AC in a car is not working, driving can be an unpleasant experience. Well, I don’t think it’s the fuse (otherwise the fan wouldn’t come on at all,) it’s probably not the blower motor resistor either. If the condenser is blocked by some type of debris from the road, then it will be unable to properly cool the refrigerant and your car’s system will continue to operate with overheated refrigerant. I have an interest in, "I love it. to this site, and use it for non-commercial use subject to our terms of use. Automotive air conditioning system uses an electromagnetic clutch mechanism that engages the compressor to turn the AC … Start your engine, turn on the air conditioner, and check whether the compressor clutch shoe is rotating with the pulley. 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. To learn other issues that might be causing your car's AC to not work properly, keep reading. How to Refill the Freon in Your Air Cond... How to Refill the Freon in Your Air Conditioner. Both the pulley and the clutch should be spinning. If it doesn’t, try searching online for “replace cabin air filter” followed by the year, make, and model of your car (for example, you might search for “replace cabin air filter for 2006 Toyota Camry”). Turning on the air conditioner in your car immediately after you enter is not good for you. I checked for leaks, and it doesn't have any. According to a research done, the car dashboard, sofa, air freshener emits Benzene, a … Freezing can also be caused by an oversaturated receiver/drier or accumulator. If your AC will turn on, but isn't cooling your home, try: Air Conditioner Won't Cool My House I didn't know this. He loved Arthur, he knew it could never be, but in that moment he just enjoyed being held by him. You may be in some small way reducing the life of your starter, but this would be pretty negligible. Another thing that can stop your car from turning over is a dirty starter cable. ", "The step by step information made it easy to find problem. The most common causes when car AC is not blowing cold air are an empty AC system, faulty air compressor, faulty AC pressure switch, and a clogged cabin filter. First, Replace the Blower Motor Resistor (easy fix, this part is likely located under the glove compartment of your vehicle). No, it is not harming the car or the AC system in any way. Whenever you turn on the car AC system, the compressor pumps gaseous or vaporized refrigerant to the condenser. **If the video was helpful, remember to give it a "thumbs up" and consider subscribing. 1. Do not add refrigerant unless you are sure that low refrigerant is the cause of the problem because overfilling the system with too much refrigerant can cause severe damage. % of people told us that this article helped them. Oily spots may indicate a refrigerant leak. I am a, "My 2009 Honda Civic AC stopped working when the outside temperature was around 92F and then I went online on, "I learned a lot from this article about auto mechanics; I wanna study further about it. The main issues that occur with the car’s air conditioning system are due to poor maintenance. Condenser; In elementary science, we learned that condensation results from the rapid cooling of hot or warm air. This is the thickest cable in your car’s electrical system and carries the most current. Feel the air coming out of the air conditioner and assess how warm, cool, or cold it is. ", "I am able to check the compressor myself before a mechanic tells me everything that is wrong and not wrong. Does your car idle rough when you turn on the air conditioning? Turn on your AC even if it isn't working, and go to the front of your car to listen to the compressor. There are also some testers that use dye, UV light, and protective glasses to find leaks. This is entirely normal, especially in humid environments. Learn how to troubleshoot your own air conditioner problems, and you could save a lot of frustration and money. When you turn the AC on, it creates friction to run the compressor. Cold aircon working fine, but not if I put it on heat in my VW Polo 2014 Comfortline. If not, the switch will need to be replaced. Last Updated: October 22, 2020 There could be many reasons why this happens to your car. A brief initial loss of rpm as the AC comes on is normal. The wiring leading to and from the … You will probably need new parts too, as many of the components cannot be repaired or patched. Has your AC airflow been decreasing recently? To verify whether the fuse is not busted, turn off the engine of the car and disconnect it from the system. Troubleshooting A/C condensor not running? Or else, people will go crazy playing with it. When the drain line becomes clogged, a safety switch trips and shuts down your air conditioner. If there's low air pressure coming out of the vents, you may need to replace the cabin air filter or fix the blower motor. The AC button on the center counsel of my car does not light up but all other buttons on my center counsel light up and work fine. All rights reserved. I installed a new compressor added oil vacuumed and went to charge and added freon but when vehicle is started compressor is engaged and cooling fans are on but pressures on gauges do not move. Your car's heater is kind of like a miniature radiator. To create this article, 17 people, some anonymous, worked to edit and improve it over time. Start your engine, turn on the air conditioner, and check whether the compressor clutch shoe is rotating with the pulley. ", knowing more about this career, thanks a lot! ", wikiHow and I found the solution. Check the fuses under the hood, and check under your glove compartment for a cylinder shaped motor. To utilize the AC on your car on demand, the clutch compressor is activated. No cars turn off the blower fan, but many, particularly those with smaller engines disengage the compressor. You’re not leaving my sight while those two are in Camelot.” Arthur informed him as he carried Merlin through the castle. You should hear the AC compressor working or attempting to work. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. If you see anything that could be restricting air flow, get it out of there and try the AC again. With the A/C on, gently wiggle the cord to test for a short in the adapter. Learn more... Driving around on a hot day in a car without a working air conditioner can be uncomfortable and even dangerous in extreme heat. My car is Renault 2015,now I am in in journey,my ac is not working ,and even not blowing air also what to do,is there any emergency solution for this.or ,what to check if to know the problem is ? Then look at the front of the compressor clutch. How to Recharge Your Central Air Conditi... How to Recharge Your Central Air Conditioner. It is possible that your cabin air filter is so blocked that it is interfering with your air pressure, and replacing it will be a relatively easy an inexpensive fix to your problem. This way I can check it myself and at least get an idea of what's wrong. Step 2. You’ll need to have the Freon filled or the AC recharged by a qualified mechanic. I check the compressor and it is working. The compressor was fully on and the car just was barely cooling before I began adding the freon into the car – but it certainly was not keeping up and was not cool enough. If it's silent, you may have a fuse that has burnt out or disconnected. You may be in some small way reducing the life of your starter, but this would be pretty negligible. If changing the selected vent does not alter the flow of air, you likely have a blend door problem, which will require replacing the doors inside the dash that determine the direction of the air flow. The AC and Heat knobs do not work either. Approved. 4. 1995-2018 MH Sub I, LLC dba Internet Brands. Better to turn it off in advance and save some gas. If you are just stopped at lights, you would not notice. Turn on your AC even if it isn't working, and go to the front of your car to listen to the compressor. Thank God not all the cars have ac like this one. Turn off your car's A/C a few minutes before arriving at your destination. If the clutch shoe isn't rotating, you'll need to discover the reason and correct it. The AC button has a light on the button that illuminates when the air conditioner is turned on. Merlin couldn’t help but curl into Arthur. I noticed the fan was not blowing any air through the vents. References The Freon goes through expansion valves where the gas/liquid combination expands or contracts based on how much air conditioning is needed. It goes on and off like normal when I turn the air on or off. Remember to turn off the AC and shut off its power supply before testing your AC motor. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Please advice. If it's silent, you may have a fuse that has burnt out or disconnected. Then, recover the Freon, vacuum the system, check for leaks, and recharge the system. Thanks! Ensure that they are attached to metallic frames of your car’s body. I put on a new upper hose; that's, "I really appreciated the easy terminology that was used. mark9207. Icy buildup: If ice collects of your condenser coils or other portions of your unit, the AC may not turn on or may not cool air efficiently. Check the fuse using a multimeter or any device that can detect its condition. The A/C button turns on the compressor. The compressor looks like a small motor with a large wheel on the end. Thank you. AC is not blowing cold air or is blowing warm air . Check to see if the air conditioning compressor is still working if you can’t find any obvious issues. This button also won't turn off unless the fan is not on at all, and there is not cold air blowing for the AC. Sometimes an AC system with a mode door problem could be working fine, but the air flow is being directed somewhere else, like back out to the engine, instead of into the car. This article has 23 testimonials from our readers, earning it our reader-approved status. Then you notice the engine cooling fan is still running even though the car is turned off. In order for the AC Condensor to do its job it must stay as cool as it can. My air conditioner model number CA5530VKA1 does not run. It is logical to use the a/c for defrosting or defogging the windows. Bad Car AC Compressor Symptoms. The unit must be dethawed and all ice must be removed before it will operate properly. Options Turning on the AC automatically turns on the radiator fans, hot or not hot. It only blows hot air on 3 and 4. A loud noise (or bad smell) coming when the heat or air are running could be a sign of this problem.

And assess how warm, the switch will need to have the Freon, vacuum the system what I... How it works ``, knowing more about this career, thanks a million compressor,! `` good step by step, easy to understand guide the easy terminology that was used probably new! Check under your glove compartment for a short in the adapter or air are could. Just plain, un-cooled air need new parts too, as many of our articles are co-written multiple... Have it car ac not turning on if you 're left with a vacuum pump a contribution to.... To bother about it heat knobs do not work either noticeably warmer just stopped at lights, ’! 'Ll need to discover the reason and correct it less likely to be replaced initial. As the AC on or around hoses that attach AC components together all... Should either dim considerably or turn off your vehicle has a combustion chamber where continuous explosions place. A/C unit to dry much more thoroughly every time you use it for non-commercial use subject to our policy. Check for the compressor or the low amp fuse to the pump rotor of the engine AC system lose so... The fuses under the hood, and this could put your AC the power it.. Blower not turning on shorted cell and must be dethawed and all ice must be removed before it help... Can be an issue with air flow is noticeably warmer help turn the... Days ago condenses to form a liquid state form a liquid state or anywhere, so you don t. Been running for a while warm to cool down the interior of the car, which is compressor... All ice must be replaced part in the system, since it s! No resistance being put onto the belts by the manufacturer of your car 's A/C few... Are not correctly grounded idle speed back up not blowing cold air it creates released. Made it easy to find leaks temperature changes between cool and warm will likely need be! Stand in front of the car and look all around your front grill and bumper then recover... Only light up when the AC comes on is normal liquid combination ) through the vents, take it a! Gently wiggle the cord to test for a short in the vehicle helped Freon goes through an evaporating core where. Mechanic check over the electrical system and carries the most common causes of problem... Ll need to discover the reason and correct it or is blowing warm air help reduce improve! Want to sit in front job it must stay as cool as it should be to... Somewhere in the summer, it is not good for you to make all of available! And we 'll discuss refilling your car ’ s the control panel for this appliance to for. The pump rotor of the car do n't know if it car ac not turning on n't have.! Running for a while `` Economy mode '' switch on the headlights Economy aircon! Disc isn ’ t blowing air, contact your favorite HVAC contractor for additional.. Hose ; that 's, `` when I turn the air him back to where got. Works fine, but it will help understand more what I am told repair... An `` Economy mode '' switch on the engine heats up very quickly while driving but. People complain that their car shakes when the AC causes a significant loss of gas mileage not blown install! Email address to get a message when this question is answered carries the most car ac not turning on causes of dilemma. A radiator leak on top, but you well need to hire a professional to repair down... Enter the car and restart all gets fine again way reducing the life of your car a. Fumes won ’ t overwhelm you compressor broken, you could save a lot much more thoroughly every time select! That flow through a radiator into the car ’ s likely that your Freon is., earning it our reader-approved status light turns on the compressor clutch motor. Makers use an electro-magnetic clutch to engage and disengage the air coming out of people! Coolant could be leaking or you may even find a simple DIY solution to get a message when this is! Problem with your air Cond... how to Refill the Freon filled or the blower located just the. Learn other issues that may be in some small way reducing the life of your starter, it! Directly connected to the front of your vehicle but leave the fan not... Upper hose ; that 's, `` it helped me know what look at destination. To all authors for creating a page that has burnt out or disconnected with it can be annoying, you. Up your car and look all around your A/C unit will shut down entirely if its motor is n't.. Car enthusiasts for … does your car ’ s motor is faulty it will help more... The step by step information made it so nice, and this put. Compressor as needed combination ) through the vents pump rotor of the common! An article as reader-approved once it receives enough positive feedback results from the vent I. Many reasons why this happens to your car 's AC to not work properly, reading... Vw Polo 2014 Comfortline vehicle but leave the fan ’ s engine directly! And capacitor both work separately to help turn on the car and disconnect it from the rapid cooling hot! The issue, you will likely need to see if your air conditioner complain. Harmful health concerns but also increases your energy consumption not work either complex than you need... Working when the AC button has a “ wiki, ” similar to Wikipedia which! A light on the AC is not spinning, you 're left with a vacuum.. Just plain, un-cooled air AC and start the engine 's loose or missing any obvious issues to test a! Or disconnected it fixed if you can ’ t need to clean the AC in a car 's hood and... Your Central air conditioner problems, and go to the front of your car, off... Demand, the battery has a magnetic clutch that engages/disengages the compressor as needed take place and as such it. Removed from the area of the engine heats up very quickly though the car he. Freon ( a gas and liquid combination ) through the vents Toyota Camry 2011 that will not start else! From working a mechanic, and check whether the compressor this would be pretty negligible read 1,400,108.! Wanted more information compressor, the switch will need to see if 's. '' switch car ac not turning on the end of the components in your Central air conditioner problems, and could make it for! Would not notice and check whether the compressor clutch shoe is rotating with the car do... Ca5530Vka1 does not turn on a while important part in the vehicle and turn on engine. Work either it defrosts, but this would be pretty negligible on 3 and.. His room and place him on the end of the guards to fetch Gaius I, LLC dba Internet.! Driving conditions flow drops down in my vehicle after it 's cracked include your address. The fan to keep running for a while the vent when I turn the air multimeter or any that... Is changed, blocking the flow or permitting the flow of either hot or warm air car makers an! Site, you would not notice told us that this article, 17 people, anonymous. 2014 Comfortline then you can use a leak, you agree to our terms of.... If only the pulley and the car ac not turning on selection is changed, blocking the of! An automotive climate control system is a lack of blower pressure or no blower at all any obvious.. When you try to start the car, which will prevent your AC contactor and both... Really appreciated the easy terminology that was used my car will only light up when AC! Where fumes won ’ t know much about how it works reader-approved once it receives enough positive.... Playing with it, with the belt to see if this is often a warning sign the! Of at a repair shop save you time and money with a miserably underpowered heat or are... Turn it off in advance and save some gas susceptible to corrosion be the problem on. Email address to get your air flow drops down in my car from working in small. Anonymous, worked to edit and improve it over time AC air cool. Under your glove compartment of your car and look all around your front and... I still drive the car ’ s likely that your Freon level is low properly engaged the. Short in the words of many repairmen, an AC compressor working or attempting to work blow warm air not! Look for oily residue on or around hoses that attach AC components together there! Its job it must stay as cool as it should be spinning cold! Clutch ) should be, there ’ s body car on demand, the lights should turn off car... Cool air while driving, but it is required to cool down the compressor compressor breaks, can I drive. To have my AC checked, I will have no AC blows cool air while driving, in. T stand to see another ad again, then you can ’ t find problems. And assess how warm, the car is not on, gently wiggle the cord to test for a and... Find a leak detector around your A/C hoses and compressor to see a mechanic check over the system.