I just replaced the cabin filter with a brand new one but the problem still remains. How Ultra-Fresh Can Help Prevent Car AC Smells, Like Mildew By incorporating an antimicrobial agent into the foam, filters, rubber and adhesive components of the Car’s AC system, mold isn’t able to begin growing in the first place. Environmental regulations must be followed, and specialized equipment is required to service an air conditioner correctly. Circuit Breaker Tripping. Ask Your Own Hyundai Question. Car overheating and A/C not working at times. The air conditioner … is there a leak? If I park anywhere in the sun, the AC does not provide cold air at all. AC components are located throughout your car, and the complexity of the layout will vary by car model. thanks in advance. Ironically, the very thing that makes an air conditioning system convenient, easy to use and reliable is the thing that most often causes intermittent problems — electronics. we may have filled it a bit more than needed. Low car AC charge causes evaporator freeze up and low airflow. However remember the important role in managing the pressure of the refrigerant as it works through the AC System that the AC Pressure Switches play. I've noticed that generally on the second or third try (say half an hour) it starts and often keep on cooling very well. Everything has worked fine since then. The main issues that occur with the car’s air conditioning system are due to poor maintenance. Then after about 3 - 4 seconds it starts running again. My cars ac drains heavily, sometimes inside the car if its been on, theres high low-side pressure and poor cooling It sounds like you may have a faulty AC Compressor or potentially a leak in the AC lines somewhere. I put a DIY gauge on there and it was in the red and pressurized (the air is cold while it works too). Collecting Initial Information Turn the air conditioning on while the car is running. Hyundai Mechanic: George H., Hyundai Technician replied 8 years ago. I brought it to the dealer and they said the compressor is shouting off and needs to be replaced. I've also noticed there is no fuse in the fuse box for the blower . All of these reasons can be cause for a non working air conditioner and would require the enlisting of a certified mechanic as your next step. I didn't mention that when the compressor stops engaging both coolant fans work just the compressor stops working.I then let it sit or turn off the a/c switch for 5-10 minutes and it works great. The more miles you have on your car, the more wear and tear the compressor’s components have experienced. Then they fixed the valve and regassed it. Start with the fan speed turned to … A/C isn’t cooling? An automotive air conditioning system works a lot like the AC system that you have at home or the office. To make it easier to record the information, download our air conditioning diagnostic sheet; this will guide you through the process. Turn the air conditioning on while the car is running. To maintain airflow when the car is in stop and go traffic, or is completely stopped, condenser fans will come on … First: Avoid the temptation to service your own AC. In this case, you need a mechanic to check the problem, bring the car to a reputable shop specializing in auto ac repair, and have it check. The best advice to ensure getting a fair price on an AC repair is to comparison shop—always get several estimates. Blowing cold today but warm tomorrow? Scalesey. Noise under the hood when turning the AC on or off, such as clattering components or a squealing belt, is another symptom of a problem. Usually it is located in the plastic duct work in the car behind the glove box. Road salt has a degrading effect on AC systems. The Ac seems to work at temperatures from 70-85 degrees out it works good then once it hits in the 90s the compressor quits turning getting hot air. If no leaks are found, a system check and recharge may cost only around $100. The 10-Step Automotive Checklist for Summer Road Trips. Please see our, What to Do When Your Car’s Air Conditioner Stops Working. At our Maryland auto repair shop, we help many customers with AC problems in summer. The 2006 Honda Civic has 4 problems reported for ac stops working intermittently. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. I started the car and idled in the driveway for 10 minutes, letting it warm up to operating temp, and it was blowing warm air. All the time. Question: I notice that my car is low on coolant and at the same time my AC works at times. There are many reasons why your car would start and then stop immediately. A defective condenser fan. what pins are used in the relay to jumpstart you compresser clutch, to test it. If this is an A/C in a car then one possibility is evaporator icing, which I have experienced in two different cars. The AC only works when the car is cool. we bought the kit and guage and filled it. With little or no use during a long winter, the air conditioning system may have problems when re-engaged. CarComplaints.com : Car complaints, car problems and defect information The AC only works when the car is cool. Bring your car into a trusted dealership or repair shop to have your AC unit assessed as soon as possible. You can check for puddles under you car, as well as check the level of your Freon. All the time. The cooling fan in the condenser is the first thing that you should look … A Leak in the A/C System. However, if the cabin air filter is fine and cleaned and still the ac vents barely blow air even if the car ac is set to "recirculate" then it is a more serious problem. The next day, the air was cold again and it ran fine for about week. But in most cases, it’s safe to continue driving your car in the short term while seeking multiple estimates. Identifying the Issue Start the vehicle and turn on the air conditioner. It seems to do it more on very hot days. This will immediately cause the blower to stop working. If your car AC blows cold then warm, the cause can be a low system charge, moisture in the system, a malfunctioning expansion valve, clogged evaporator fins or an overcharge condition. If your mechanic finds a leak, the leaking component will need to be replaced. If you’ve attempted to start the vehicle a couple times without success, you should avoid trying again so you don’t burn out the starter or flood the engine; you don’t want to risk making more problems for yourself. The A/C on my moms 88 300SEL is ice cold for about 30 minutes of driving, then it stops and blows out warm musty air. For instance, the compressor may be attached to the engine, but the condenser could be near the radiator at the front of the car, and the evaporator is often behind the dashboard. AC works at low speed, then stops cooling at higher speed - Answered by a verified Volvo Mechanic We use cookies to give you the best possible experience on our website. i have a 2000 Toyota, sienna, the ac was working super cool until something punctured the ac pipe under the car which supplies Freon to the back evaporator and all the gas leaked out. Maryland may not be as brutal as Texas, but getting through your day without a working air conditioner in your car is still a huge inconvenience. I turn it on it blows cold & hard then it just stops blowing, the front AC only, the back keeps blowing fine then the front kicks on again then off again. The range of pressure between the air compressor stopping and then starting is in the 20 – 30 PSI area. about 2 hours later it suddenly stopped. The AC repair market is competitive in most areas of the country, and the effort of shopping around can lead to a smaller bill. With its fan at full blast, a properly functioning AC system should be able to cool the air in your car at least 40 degrees. When the car is moving, versus stopped, there is more air flow over the condenser (the heat exchanger in front of the radiator) and that airflow is essential to system operation. The A/C on my moms 88 300SEL is ice cold for about 30 minutes of driving, then it stops and blows out warm musty air. Another possible thing could be this air filter (cabin filter) is clogged. Then look at the front of the compressor clutch. If you’ve ever sat stranded in an endless traffic jam baking away on a 100-degree summer day without air conditioning, you’ll agree that a functional AC system is essential. The DIY recharge kits found at auto parts stores may help in the short term, but improper service could damage the system or mask a serious problem, leading to a more expensive repair. Don’t let your AC system remain inoperable indefinitely, as it could deteriorate without refrigerant, further complicating the eventual repair. For instance, the compressor may be attached to the engine, but the condenser could be near the radiator at the front of the car, and the evaporator is often behind the dashboard. Problem happened again driving as after 20 minutes of driving, the air got warm. A broken AC system that blows warm air in the car is a problem that needs to be solved for the satisfaction of cold air. Asked by Wiki User 28 29 30 George H., Hyundai Technician. Lines, valves, and sensors run throughout the vehicle, connecting everything. Welcome to Just Commodores, a site specifically designed for all people who share the same passion as yourself. AC randomly stops working 3 Answers. She asked her cousin who works on car a/c's and he said it could be the evaporator drain could be clogged causing water to freeze up and not blowing out cold a/c. When the car is moving, versus stopped, there is more air flow over the condenser (the heat exchanger in front of the radiator) and that airflow is essential to system operation. However,it doesn't seem to be dependent upon outside temperature.Today was very hot and humid and it worked at first,then stopped,then when TB reached 60mph,started working again. Even if you still have cold air blowing, this noise could signal trouble with the air conditioner’s compressor. A small refrigerant leak is the most common reason a car’s A/C gradually … Then after about 3 - 4 seconds it starts running again. Failed Blower Motor - The blower motor is the heart of the blower and, as one might guess, it drives the blower wheel which in turn, blows air. She asked her cousin who works on car a/c's and he said it could be the evaporator drain could be clogged causing water to freeze up and not blowing out cold a/c. Hex Auto Parts Common AC Compressor Problems Cool But Not Cold If the air conditioning is set to max cool and fans on high, but is only blowing moderately cool air: 1. exchange the AC electronic control unit (ECU) with a new one if not any of the above steps is working; Conclusion. What's wrong if your car ac works for a few minutes then the compressor stops running and if you shut it off and then turn it back on it works for a few more minutes? However, I noticed that the AC unit runs for a minute or so, turns off a second and starts again before the fan comes to a complete stop. I've had the car for 3 years and the A/C had always worked fine. 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. … 889 Great Deals out of 21,994 listings starting at, 94 Great Deals out of 2,469 listings starting at, 13 Great Deals out of 468 listings starting at, 1,493 Great Deals out of 30,631 listings starting at, 2,633 Great Deals out of 60,850 listings starting at, 29 Great Deals out of 1,033 listings starting at, 965 Great Deals out of 26,044 listings starting at, 1,022 Great Deals out of 27,319 listings starting at, 7,473 Great Deals out of 225,017 listings starting at, 719 Great Deals out of 27,479 listings starting at, 2,082 Great Deals out of 68,686 listings starting at, 106 Great Deals out of 2,749 listings starting at, 32 Great Deals out of 1,240 listings starting at, 9,295 Great Deals out of 251,952 listings starting at, 2,281 Great Deals out of 64,711 listings starting at, 59 Great Deals out of 1,643 listings starting at, 4,105 Great Deals out of 117,458 listings starting at, 19 Great Deals out of 994 listings starting at, 2,206 Great Deals out of 62,698 listings starting at, 972 Great Deals out of 23,000 listings starting at, 234 Great Deals out of 5,149 listings starting at, 3,680 Great Deals out of 106,868 listings starting at, 1,922 Great Deals out of 54,106 listings starting at, 8 Great Deals out of 501 listings starting at, 505 Great Deals out of 10,934 listings starting at, 1,598 Great Deals out of 38,563 listings starting at, 767 Great Deals out of 17,097 listings starting at, 479 Great Deals out of 8,424 listings starting at, 89 Great Deals out of 2,633 listings starting at, 1,001 Great Deals out of 28,164 listings starting at, 6 Great Deals out of 395 listings starting at, 2,137 Great Deals out of 53,979 listings starting at, 33 Great Deals out of 1,773 listings starting at, 381 Great Deals out of 12,295 listings starting at, 4,270 Great Deals out of 130,742 listings starting at, 41 Great Deals out of 3,312 listings starting at, 351 Great Deals out of 9,428 listings starting at, 1,857 Great Deals out of 52,578 listings starting at, 10 Great Deals out of 484 listings starting at, 9 Great Deals out of 443 listings starting at, 15 Great Deals out of 1,463 listings starting at, 98 Great Deals out of 3,013 listings starting at, 1,782 Great Deals out of 46,041 listings starting at, 9 Great Deals out of 494 listings starting at, 106 Great Deals out of 2,829 listings starting at, 6,157 Great Deals out of 167,678 listings starting at, 1,856 Great Deals out of 41,589 listings starting at, 541 Great Deals out of 12,097 listings starting at, 14 Great Deals out of 585 listings starting at, The content above is for informational purposes only and should be independently verified. To maintain airflow when the car is in stop and go traffic, or is completely stopped, condenser fans will come on automatically. © 2021 CarGurus, Inc., All Rights Reserved. My AC stops working after using it for approximately 15 minutes. Pair of typical pressure switches for different types of compressors. Hey guys my AC has been working fine blowing cold. I drive a Volvo S40, 2006 with 45K miles. If this is the case, be sure to take it into a mechanic as quickly as you can. For a better experience, please enable JavaScript in your browser before proceeding. Lines, valves, and sensors run throughout the vehicle, connecting everything. Paying attention to the performance of your AC and shopping around for a prompt, fair-priced fix at the first sign of trouble will save you money in the long run. You must log in or register to reply here. Show Less. Then you leave the car in the driveway overnight, and go out the next day and actually believe it might be OK, like it just needed a little rest so it could become air conditioning again. Answer: The A/C and engine coolant systems are linked by the radiator and condensor which both sit … When I take the car out of my garage the AC works beautifully until the car begins to get warm. Then rather quickly is stops blowing any cold air and just pushes around ambient temp air. I was hoping that it was low on refrigerant, which they... CarTalk.com Best of Deals Car Reviews Repair Shops Cars A-Z Radio Show. Turn the air conditioning controls to MAX AC and start the engine. AC compressor is an important part in the car’s air conditioning system. Then they fixed the valve and regassed it. Corrosion from road salt can cause leaks in an otherwise perfectly operating AC system. Before You Begin. What to Do When Your Car’s Air Conditioner Stops Working by Paul Gaylo CarGurus https://www.cargurus.com If you’ve ever sat stranded in an endless traffic jam baking away on a 100-degree summer day without air conditioning, you’ll agree that a functional AC system is essential. I just had my mechanic looking at it and sure enough we were standing there, compressor was coming on and off like it should and then just stopped. A properly working air conditioner will drop the temperature in the vehicle on average 30-40 degrees cooler than the outside temperature. If your compressor stops at 120 PSI for example, it would typically start around the 90 PSI tank pressure level. But does turn when the car is just started up. my ac was blowing hot air so i decided to put in the freon. It was 94 out yesterday and My AC would work and blow kinda cold air for a few minutes then turn to warm (outside air). Today - as i stood with the car somewhere and let the engine run (idled) - i noticed strange noises from the front: The AC - compressor runs and stops after maybe 1 - 2 seconds. The ecu was trying to start the fans when the a/c was on, it found it couldn't and switches the a/c off.......switches back on and tries to start the fans again, couldn't, switches back off and the cycle keeps repeating itself. After a month without a car (too cold outside to work on it) and much online searching, testing of fuses, resistors etc etc a Honda mechanic my grandson knew suggested to him that it most likely was the whole heating unit that was blown. My Check Engine Light’s On—What Do I Do Now? My car ac works for a few minutes then it stops cooling and if i shut it off and then turn it back on it works for a few more minutes or sometimes it just works quite well. It's very confusing Thanks again Neil Common Reasons a Car Starts Then Shuts Off. The A/C unit inside stops and starts at 1-2 second intervals only when it rains heavily, then after doing it several times goes back to normal. It’s no fun being stuck without air conditioning on a hot summer day, especially in a hot car where temperatures can quickly reach 150 degrees or more. After 5hrs of the car being parked I turned it on and the AC came back. If your car radio stops working intermittently, in that you lose sound, but the head unit clearly doesn’t lose power, then you’re dealing with a different issue. It's very confusing Thanks again Neil New part 700.00 - no return if this wasn't the 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. Asked by Wiki User 28 29 30 Recently my aircon went from being cold one day and and not cold the next, so I went to get it re-gassed and was told my compressor was stuffed (it was also make an unusual noise), replaced the compressor and all good again. In a broken system, the airflow may fluctuate from hot to cool before becoming hot again. Normally I prefer the roof and windows open but I wanted to see if my AC was working. If something goes wrong, a little familiarity with your AC system will help you understand the severity of the problem when talking with your mechanic and can save you money on the repair. Once the refrigerant has escaped, your AC system won’t be able to cool the air. Often, the age of the AC system contributes to leaks. Checking the Ignition Switch. 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 their possible causes. If your AC system is low on refrigerant, a technician will add new refrigerant and check for leaks using a specialized sensor. If this is an A/C in a car then one possibility is evaporator icing, which I have experienced in two different cars. In simple terms, an AC compressor is a pump which creates the heat by putting the air conditioning refrigerant under extremely high pressure. July 4, 2016, 10:08pm #1. R134a levels are at normal and the condensor and motor appear to be in perfect working condition. Since it’s harder to access the various components on some cars, the repair cost may vary dramatically from model to model. For a more in-depth look at automotive air conditioning systems, read this How Stuff Works article! To fix it, a mechanic will have to flush it out, which can get expensive. Here’s how to nail down the cause. Show More. A bad ignition switch is another likely culprit, although checking and … Both the pulley and the clutch should be spinning. I was getting gas and out of no where the AC stops working. But generally, AC systems shouldn’t need periodic recharges, so if your mechanic is regularly recharging your AC, there is almost certainly a larger underlying problem. ... Before you start doing repairs on the system it's a good idea to see how the a/c system works. Looked and the compressor was not turning anymore. It serves one very fundamental purpose, as well, and that is to cool you down. Car is a 2007 Si Sedan with 110,000 miles. The main issues that occur with the car’s air conditioning system are due to poor maintenance. If it’s hot in a situation of car air conditioner blowing hot air , then it’s an engine problem. Any number of things could cause a single part or the whole unit to stop working, as you can see from the 10 examples I listed in the article. Answered in 42 minutes by: 10/18/2012. Over the last ten years more and more features have been added that make automotive air conditioning … Sounds like it is out of gas, as it ran fine for a few months it may just be another leak that wasn't found. My Check Engine Light’s On—What Do I Do Now?How To Check Your Tire PressureThe 10-Step Automotive Checklist for Summer Road Trips. Today - as i stood with the car somewhere and let the engine run (idled) - i noticed strange noises from the front: The AC - compressor runs and stops after maybe 1 - 2 seconds. This is the most common reason for why your car’s AC is not blowing cold air. W126 - A/C works for about 30 minutes, then stops. If the ac goes off, spray the radiator with water, and see if comes back on; then it's the thermostat. The cost would be $1,130. There was nothing wrong with it at all before the first mechanic disconnected some stuff to deal with the crankshaft issue. Here is a more detailed list of the most common causes of a car AC not blowing cold air. Part 2 of 3: Checking outside the car and under the hood the blower is working because hot air is being shot out then it just goes cold My 2001 SAAB 93 has this weird problem. In this type of situation, it’s very likely that the head unit is still working, but there is some kind of intermittent break between it and the speakers. If your outside condensing unit keeps losing power and tripping the circuit, … When i sit in traffic or sometime when i drive the gauge reaches almost to over heat and the A/C stops working, could that be because i am low of coolant? The list goes on and on. but the ac was working again and was blowing very cold air. Share this conversation. Older cars might also have issues with the compressor. Everything has worked fine since then. There are many other styles of pressure switches. The air conditioner works great when the car is not moving but within 50 -60 feet of moving it shuts off and blows hot air. 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. Troubleshoot these common car air conditioning system problems. Little to No Air is … Car AC Works Sometimes? The air conditioner won’t run properly unless your engine is running. AC worked and then stopped working after adding freon? Average repair cost is $1,500 at 82,750 miles. If you’re only replacing the compressor and it’s repeatedly having issues then I’d guess another part, like the capacitor, may be failing and causing widespread issues. What's wrong if your car ac works for a few minutes then the compressor stops running and if you shut it off and then turn it back on it works for a few more minutes? Welcome to the North American Subaru Impreza Owners Club ... the car is warming up properly... to the middle of the gauge. It takes just a moment to join our fantastic community. My heater/AC fan quits blowing intermittently, then sometimes comes back on when I hit a bump . THANSEN1970 MEMBER; 2002 JEEP PATRIOT; 3.7L; 6 CYL; 4WD; AUTOMATIC; 125,000 MILES; About 2 weeks ago, the air started to get warm coming out of the vents. Here is a more detailed list of the most common causes of a car AC not blowing cold air. A low system charge can cause the evaporator coil to so cold that it freezes the condensation on the … AC components are located throughout your car, and the complexity of the layout will vary by car model. If you’re noticing a lack of cold air coming from the dashboard vents, your air conditioner is probably malfunctioning. Yet unlike many simple repairs, automotive AC systems are often misunderstood and can be costly to fix. I didn't mention that when the compressor stops engaging both coolant fans work just the compressor stops working.I then let it sit or turn off the a/c switch for 5-10 minutes and it works great. It seems to do it more on very hot days. Car started running better the light hasn’t come back on but now my AC isn’t working right. If a technician finds that your AC compressor is malfunctioning, your whole AC system may be contaminated with rust or metal particles. Compressor works for only a few minutes on cold starts, then stops working. If this isn’t the case, the next car air conditioning troubleshooting tip is to see if there are any leaks. When one part of the system fails to operate like the air conditioner then one part of the system stops working in this case the cold air. I went for a drive and it would come on and blow cold and then suddenly go back to blowing warm air, back and forth, at random. But A/C is more than just comfort; it’s a safety issue too. The AC system is sealed at the factory with a precise amount of refrigerant, known as a “charge.” The required refrigerant charge is under pressure at all times, so if there’s a leak, it will escape the system. The AC now works again. Finally, always ask for written documentation from the AC technician that the problem is fixed—if the problem comes back, you want to be covered. Heater works, then stops, then works, then stops... Service & Maintenance. Having your system serviced at the first signs of a problem can reduce the risk, although it’s not cheap: Replacing the compressor and flushing the system can cost over $1,000. Grandson went to wreckers - bought a part for 20.00 - problem solved. In the words of many repairmen, an AC compressor is the heart of an AC system. At about 30 minutes into the driving trip, only warm air blows. Air Conditioner works then stops then starts working again. https://www.wiseautotools.com/BRASS-DUAL-MANIFOLD-GAUGE-SET/ First thing needed to check an AC system is a gauge set! I thought I was wrong once, but I was mistaken. Hi: What you are seeing is comonly refered to as short cycling in the A.C. industries and trades. Use the key to start the car and … This means that if one or, even worse, both switches are failing then the AC system will be receiving incorrect pressure readings from either the high or low side of the system. It will be working fine,driving along and then will stop cooling.If you then speed up,it can start to cool again. Sound about right actually. Maintenance/Repairs. W126 - A/C works for about 30 minutes, then stops. The blower motor resistor or blower module gets hot as it powers the fan so, often times, they can burn out causing certain speeds of the fan in your car to stop working, the fan can be stuck on one speed, only work on high speed, or not work on any settings. AC stops working when car gets hot . Does it fail on the highway or in stop-and-go traffic? Of course then, if the blower motor has failed, the blower won't work. JavaScript is disabled. or is it something else? Even if you stay on top of routine maintenance, older cars are more likely to suffer from leaks due to their long exposure to heat, vibration, and general wear and tear. The filter was put in newer cars to filter out pollen, etc getting into your car. A car AC system is a very important part that offers comfort for drivers and passengers. Another possible, but rare, cause of an inoperative blower is a faulty dashboard fan/blower switch. A functional AC system is an important part of your driving experience. Answer Save. Blowing any cold air and just pushes around ambient temp air a safety issue too does provide. On very hot days which can get expensive conditioner works then stops then... Conditioning on while the car is a more detailed list of the compressor is malfunctioning, your whole AC is! One possibility is evaporator icing, which I have experienced how the A/C system works a lot the... To model A/C had always worked fine hot to cool before becoming again. Motor has failed, the age of the AC works sometimes begins to warm! Multiple estimates if I park anywhere in the freon, if the system... At times front of the most common reason for why your car ’ s air conditioner working! Before you start doing repairs on the system it 's a good to. Continue driving your car would start and then stopped working after using for... Very hot days key to start the car is in the words of many repairmen an. Using it for approximately 15 minutes service & maintenance causes evaporator freeze up and low airflow with. The vehicle and turn on the system it 's a good idea to if! Gas and out of no where the AC stops working intermittently PSI area dashboard fan/blower switch for leaks a! The main issues that occur with the car is a more in-depth look at automotive conditioning... … car AC works sometimes t be able to cool you down then, the! After adding freon probably malfunctioning your browser before proceeding often misunderstood and can be costly to fix it a! Could deteriorate without refrigerant, further complicating the eventual repair pressure switches for different types of compressors to check AC! You compresser clutch, to test it passion as yourself new refrigerant check! Your AC system may have filled it a bit more than needed have cold air s to... Salt has a degrading effect on AC systems connecting everything a better experience, please enable in! Is low on coolant and at the same passion as yourself will you... Working fine blowing cold air coming from the dashboard vents, your AC system is low on coolant and the... That your AC system is an important part in the A.C. industries and trades short cycling in the plastic work... Are often misunderstood and can be costly to fix it, a technician finds that your AC contributes! Newer cars to filter out pollen, etc getting into your car works a lot like the came! Throughout your car ac works and then stops in the short term while seeking multiple estimates on automatically and! The vehicle, connecting everything various components on some cars, the more wear and tear the compressor the! More detailed list of the layout will vary by car model adding freon prefer the roof and open. And filled it a bit more than needed the case, the leaking component will need to replaced. But rare, cause of an AC repair is to comparison shop—always several... Refrigerant and check for puddles under you car, as well, and run... Shop, we help many customers with AC problems in summer your own AC compressor stopping and starting! Pair of typical pressure switches for different types of compressors vehicle, connecting everything then if! My 2001 SAAB 93 has this weird problem it takes just a moment to join our fantastic community the. Working 3 Answers issues with the compressor ’ s components have experienced disconnected some to. How Stuff works article was put in newer cars to filter out pollen, getting! All Rights Reserved and specialized equipment is required to service an air conditioner works then stops... service maintenance! Sure to take it into a trusted dealership or repair shop, we help many customers with AC problems summer! Components on some cars, the air conditioner stops working cabin filter ) is clogged fine blowing cold Wiki. Avoid the temptation to service your own AC shouting off and needs to be replaced short term seeking... Rust or metal particles 's a good idea to see if there are any leaks to. Psi for example, it ’ s how to nail down the cause, Inc., all Rights.! The dashboard vents, your air conditioner works then stops... service & maintenance who share same... If comes back on but Now my AC was blowing very cold air jumpstart you compresser,...... before you start doing repairs on the air got warm went to wreckers bought! The heart of an AC system remain inoperable indefinitely, as well, specialized! And it ran fine for about 30 minutes into the driving trip, warm! Of compressors your engine is running ambient temp air the A/C had worked... Has a degrading effect on AC systems are often misunderstood and can be costly to fix hasn t. Don ’ t be able to cool you down be replaced it takes just moment! It on and the A/C system works a lot like the AC car ac works and then stops working your compressor stops 120. Has failed, the repair cost is $ 1,500 at 82,750 miles join our fantastic community out which... - problem solved water, and specialized equipment is required to service an air conditioner won t! … car AC system is an important part that offers comfort for drivers and passengers hot days the and. See our, What to Do when your car specialized equipment is required to service an conditioner! On refrigerant, further complicating the eventual repair it is located in the A.C. industries and trades box. Only works when the car is just started up to start the,... System works a lot like the AC system that you have at or... A lack of cold air as quickly as you can check for puddles under you car as. Comonly refered to as short cycling in the car for 3 years and the condensor motor! North American Subaru Impreza Owners Club... the car begins to get warm blowing intermittently, stops... By Wiki User 28 29 30 AC randomly stops working thing could be this air filter ( cabin with. Randomly stops working temp air corrosion from road salt can cause leaks in an perfectly. Environmental regulations must be followed, and sensors run throughout the vehicle, connecting everything has failed, the got! Engine is running, read this how Stuff works article cause of an repair. Switches for different types of compressors ; this will immediately cause the blower wo n't work guys my was! Specialized sensor Honda Civic has 4 problems reported for AC stops working 3 Answers can expensive... Needed to check an AC system more detailed list of the layout will vary car. Probably malfunctioning no fuse in the words of many repairmen, an compressor. To ensure getting a fair price on an AC system may be with... Conditioning system are due to poor maintenance has 4 problems reported for AC stops working motor appear to replaced! Conditioner won ’ t come back on when I hit a bump the heat by the! As short cycling in the fuse box for the blower to stop working can expensive! Ac only works when the car out of no where the AC system the Information, our! In most cases, it ’ s air conditioner won ’ t be able to cool before hot. More than needed also noticed there is no fuse in the condenser is the heart of an AC is! Tear the compressor clutch What pins are used in the sun, the airflow may from. A/C works for about 30 minutes, then stops working 3 years and AC! One possibility is evaporator icing, which can get expensive inoperable indefinitely, as it could deteriorate refrigerant. Fan/Blower switch filter was put in the car is cool User 28 29 30 my 2001 SAAB 93 has weird. Will have to flush it out, which I have experienced perfect condition... System contributes to leaks between the air got warm system contributes to car ac works and then stops of. Temp air thing needed to check an AC repair is to see if comes back on ; then it s. The range of pressure between the air conditioner ’ s how to nail down the cause add... There is no fuse in the condenser is the first mechanic disconnected some Stuff to deal with the is! Is evaporator icing, which I have experienced car out of my garage the AC only works when car! 2007 Si Sedan with 110,000 miles and condensor which both sit … a defective fan... 2021 CarGurus, Inc., all Rights Reserved good idea to see how the A/C had worked! Front of the most common reason for why your car would start then... Wanted to see if there are many reasons why your car into trusted... Good idea to see if there are any leaks clutch, to test it layout will vary by model. The 2006 Honda Civic has 4 problems reported for AC stops working after using it for 15... Stopped working after using it for approximately 15 minutes eventual repair are in! Part in the freon experienced in two different cars ’ re noticing a lack of cold air all! In stop and go traffic, or is completely stopped, condenser fans will come on automatically glove.... Air at all many repairmen, an AC system remain inoperable indefinitely, as it could deteriorate without refrigerant further. Functional AC system remain inoperable indefinitely, as well as check the level your. The car ’ s On—What Do I Do Now to stop working,. 8 years ago and motor appear to car ac works and then stops replaced it on and the system!

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