Electrical problems in the dash, such as the AC switch not working, the computer control head or module going bad, or issues with the blend door command motor. It may be low, but there are other things that can cause ac problems. Check the pressure of the AC system. They can plug in a scan tool and make my car blow cold air but it won’t work without the scantool, the scantool can kick on the compressor. Car Care Hacks is the ultimate resource for learning everything about your car. There shouldn't be any dangerous materials in the AC system. The coolant is housed in a translucent plastic jug in the engine compartment. These components mission is to disengage the compressor while it loads. The car blows air but it's not cold. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. These kinds of leaks are unable to be seen and will need to be inspected by a certified mechanic, such as one from YourMechanic.com. Faulty evaporator could lead to the AC compressor not turning on. Car overheating and A/C not working at times. This can happen if the evaporator sensor sends an incorrect signal to the computer. Leakage from A/C system hoses is often indicated by an accumulation of dirt and oil, particularly at connections and fittings. If the heater isn't blowing any air, skip to the next section. link to Why Did My Car Shut Off While Driving And Won't Start? I hate this symptom. Use a thermometer, such as a meat thermometer, and stick it inside the air vent near the driver side window. The condenser is responsible for re-cooling hot refrigerant. Lightning and USB-C cords are not required. No matter what you do, your car still feels like an oven. Sometimes things in your AC system break catastrophically, like a large hole in your condenser due to road debris or an internal failure of your compressor. Getting your car's air conditioning fixed is not just a matter of comfort. The condenser coil must be clean to dissipate heat outside. I will be scheduling my next visit from him soon. Remove the condenser by removing the electrical connections and then remove the mounting bolts. Make sure you have the required tools before starting your work. If the air conditioner is not cold enough the condenser coils may be dirty and loaded with debris. When it is in a gas state, it is able to collect, absorb and hold heat. Turn the car’s fan motor on high and press the button to turn on the AC. When the air conditioning in your car is not working, it’s often best to look for a quick AC fix to see if you can get things cool again without spending a fortune. How to fix ac in your car DIY with Scotty Kilmer. It’s that particular unit in your car that keeps the refrigerant cool and then flows through the blower by converting the hot air into cool air. Verify if this light turns on when you reach MAX A/C. Now however, you do have more information you can pass on to your mobile mechanic, for a quicker, more accurate repair. We'll take a look at some possible causes and solutions. The compressor is known as the heart of the air conditioner because it takes freon and pressurizes it, where it will then pass through the AC’s evaporator. Replacing the compressor clutch can be a delicate operation. Please understand that I travel quite a lot in this scorching heat, and I do not see a chance that I can do it for another day without the AC. If there is, you can perform a small test like smelling the fluid. Depending on the outside temperature, your low side pressure should be typically around 40psi and typically the high side will vary from 170psi to 250psi. What I find particularly great is that both issues were very easy and inexpensive fixes. Test the condenser fan relay which is located in the relay box under the hood. If you are able to find where the leaking is coming from, mark that place and go to the mechanic. In-car air conditioning is one of the great miracles of convinces when the system is. On sweltering summer days, it’s nice to turn on the air conditioning. Step 5: Check the wiring. There are many things that can cause your car’s AC (air conditioning) to malfunction. You can save up some money by fixing it yourself. Joined: 15 Nov 2017 Messages: 107 Thanks Received: 3 Country: Hello all, My car AC stopped working. A simple malfunction with the evaporator can disrupt the overall performance of the AC. Even if you have recharged your AC, the issue in other car machinery can affect its working too. Although a DIY air-conditioning regas canister can be cheap, unless you know that your car's system is leak-free, there's no guarantee that it'll restore your air-conditioning to working order. A well-functioning car air conditioning system can make your ride more comfortable, especially during summer time. Cheap and fast ac fix. You can add a special dye to the AC system. These electrical issues are not as common as a refrigerant leak, but they still happen. How to repair car air conditioning that's not working. It is filtering the debris that may get inside the AC system and it absorbs the moisture that gets pumped into the AC system. Verify if you are able to feel air blowing through the vents. Page 1 of 3 1 2 3 Next > nameisme. Very honest.... Will I use him again? When your A/C isn’t working properly, you’re probably not the only one feeling a tad…damp. Again, the BMW replacement is the most expensive. So, let’s find out why the car AC not blowing cold air after recharge. So, whenever you feel a burning smell, turn off the AC and fix your issue. This is a very common issue, and the symptoms are pretty clear. Compared to the other parts, I can say that this part is inexpensive. It costs anywhere from $150-$300. Maryland may not be as brutal as Texas, but getting through your day without a working air conditioner in your car is still a huge inconvenience. This part regulates the AC temperature. A car's air conditioning system is complex, which is why it can not be working for many reasons. If found faulty, remove all the refrigerant using a machine. Carefully examine all A/C and cooling system hoses for cuts and signs of leakage. However, other faults are difficult to solve and you may need the help of a professional. Once you find the leak and have it repaired, the system needs to be charged with the proper amount of refrigerant and the system needs to be rechecked for proper function. It can be the little things. Step 4: Check the fuses. 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. This component usually starts to leak refrigerant when it gets damaged. Step 1: Check for any airflow obstruction. Get AC Condenser Clean, Check & replace AC Pollen Filter. Store the refrigerant by using a recovery machine. The coolant system on a car is made up of a network of hoses which carry coolant around the engine. YourMechanic’s technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. Is it weak, even at the highest settings? Remove the compressor hose, accumulator, retaining bracket bolt. This is a component that you don’t want to fail. Test the AC to make sure it is working properly. Step 2: Verify that air is blowing. For this, you need a machine. The labor can cost anywhere from $160-$300. Under most circumstances, a bad thermostat will not have any effect whatsoever on the air conditioning system. Anyone could have told me its a $1,200 repair and I wouldn’t have known differently. Your heater and air conditioner (HVAC) does three jobs; cool the interior of the car, heat the interior up and defrost the windshield. If this component fails, it can leave the compressor turned on for a longer period of time, and again, you will have to replace the entire compressor. To have a technician inspect your AC, check all the hoses and connections will cost $100-$300. Q: I had the AC in my car replaced around two years ago. This will give you an idea of the temperature of the air that the AC is producing. Low Refrigeration Level. Highly recommend him, Scion xA - AC is not working Inspection - West Hills, California. If this is the case, then there might be an issue with the compressor, or the refrigerant may be leaking out. If your car’s AC isn’t blowing air, it could be a problem with your car’s fan. Tape the lines to avoid debris from entering. It will be cheaper if you just leak the refrigerator. Even if you have recharged your AC, the issue in other car machinery can affect its working too. A refrigerant leak can occur at any point in the air conditioning process and so it’s sometimes difficult to pinpoint the exact location of the leak. 2. This happens when the condenser overheats to a burning point and emits an odor. It’s not that cheap, but, I cannot imagine a summer without an AC. Will I refer him? There are a low-pressure and high-pressure cut off switch, power steering switch and wide open throttle switch. Look and listen for the compressor clutch engaging on the AC pulley. This component is energized by a coil which pulls the clutch into a grip. One of the most common reasons your BMW’s air conditioner isn’t working is because of an A/C leak. I’m gonna drive it for the next few days as recommended and see where I’m at and go from there. The refrigerant is a chemical used in the AC system. The moldy smell. A small error with the electronics can lead to a damage. There is nothing worse than climbing into your car on a hot summer day only to find your car’s AC is not working. 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. Thank you Matt, Jeep Patriot - AC is not working - Indianapolis, Indiana. Your air conditioning system uses a refrigerant liquid to absorb heat, turning it into a gas. Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. 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. Open the hood and locate the high and low pressure ports on the AC system. The most common reason why it gets damaged is by debris that gets through the air intake. All three modes work together as a complete system. The labor is anywhere from $322-$805. When you turn on the AC, you will not get cold air blowing. He checked for leaks first … In some cases, you'll be able to find the fault and repair it, if you have the right machines and precise ability. Since air conditioning is considered a ‘nice-to-have’ feature and is not critical to the safe running of the vehicle, your MOT tester will not check to see if your air con is working. If you are experiencing a weak force, then you will want to check your car’s cabin air filter and make sure there is nothing obstructing the airway. Your AC is not working properly. Here is how to troubleshoot car air-conditioning problems. A clog or block in the system allows the high-pressure refrigerant to slowly decompress through the clog. The AC and cooling are two separate systems, so these are likely two separate issues. document.write(new Date().getFullYear()) The evaporator temp sensor has an important role. Carcarehacks.com is compensated for referring traffic and business to these companies. Car manufacturers recommend carrying out an air conditioning service every two years in order to keep your air conditioning working at optimum level. That is how the AC works. This happens when the fan is not working and the condenser has gotten very hot. Remove the compressor, receiver drier, orifice tube and expansion valve. Here are few symptoms that a faulty ac cooling fan has: The cost of a Fan can vary from $307-$784. You need to watch out for the warning signs something is wrong with the system. Step 1: Turn off the engine. If your ac is leaking refrigerant it could be because of the accumulator. Regular servicing will help keep your car … If your car overheats while idling can also be a symptom of faulty cooling fans. Black Death starts out inside the compressor after refrigerant breaks down. Thank you Peter! When your car's air conditioner isn't cooling anymore — or worse, blowing hot air — it can make for an uncomfortable ride on a warm day. Use Bryant if you want honesty and great work. These instructions will help you diagnose and fix a car heating system that only blows cold air. The most common reason that your car’s air conditioner might not be working is that the AC compressor might be damaged or defective. Typically you will see oily dirt around the joints or area of the leak. Car not heating up? Disconnect all electrical connections from the AC. If you hear a rattling noise when you turn your AC on could be because of the accumulator. What a great experience. Chevrolet Impala - AC is not working - Newport News, Virginia, Matt was on time and during the discussion with him he showed a great deal of knowledge about my a/c issue. All kinds of noises can be produced from the internal bearings or seize. That air blows through the AC vents which you breathe inside the car. Turn off your car’s engine. Very knowledgeable and friendly. From there, the cold gas passes through an evaporator and absorbs the heat from inside the vehicle. 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. This is depending on the size of the AC system, as well as the ambient temperature outside. Disconnect the evaporator temperature sensor. Blowing air through the system is not good enough. You can save up some money by fixing it yourself. Blocked Condenser. So, let’s find out why the car AC not blowing cold air after recharge. Your car has a cabin air filter that is supposed to keep anything out of the... Hi there: In many cases, the failure of the blower motor to actually blow air into the cabin is caused by a blower motor resistor. The condenser itself is from $240-$350. Store the refrigerant with a recovery machine. In an AC, the condenser is like a radiator that dissipates heat (which was removed from the air). But if you do happen to notice that your car air conditioning is not cold, you might just be low on freon. In order to operate properly, the system needs a refrigerant – just... A A car’s air conditioning system is an orchestra of different parts working together – the compressor, condenser, accumulator or receiver dryer, expansion valve or orifice tube, and the evaporator. Electric problems under the hood, such as with the AC clutch coil, clutch relay, high-pressure cut-off switch, low-pressure cut-off switch, or circuit protection device. I Checked the refrigerant level with a gauge and it said it was low. If you are having trouble with the AC in your car, check out these common reasons why that might be happening. AC Leaks. Required fields are marked *. I took it to a shop and they tested the pressure and said it was good. “Wet” refrigerant can freeze, blocking the expansion valve or orifice tube temporarily. If the evaporator switch fails, it can affect the AC system. The AC system is a completely separate entity; the only connection it has to the engine is at the compressor pulley, which derives its power from the crankshaft. Car ac repair. Inspecting your car AC yourself before having it repaired can save on cost. As we mentioned earlier, debris blocking air flow can prevent an AC from functioning properly. This part is what turns on and off the compressor. If you do not feel any air or if you only feel air coming through the vents on certain settings, the problem may lie with the AC’s blower motor or the blower motor resistor. My cars A/C just stopped working all of a sudden. When I press the A/C button the light just flashes. AC not working – car or truck Diagnose and fix AC not working problem in your car or truck. Sometimes, the air coming out is weak. April 9, 2018. Thank you for your time Peter, Acura RDX - AC is not working - Newport News, Virginia. First, start off by recovering the refrigerant. Recharging your AC can cost around $160. If you are feeling air and the blower motor is allowing the fans to produce air at all speeds, you next want to feel the actual force of the air coming through. During the converting process, the condenser can create a big amount of hot air. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. The car AC has many switches and relays, and many parts mean more chances to broke down. Make sure you have the required tools before starting your work. Car AC Not Working? As the coils get dirtier the air conditioner becomes less efficient, which makes it work harder to cool the room. Cars What to Do If Your Car AC Stops Working. The refrigerant then passes through a drier to filter out any moisture before returning to the compressor to begin the process again.eval(ez_write_tag([[728,90],'carcarehacks_com-medrectangle-3','ezslot_4',105,'0','0'])); Now that we got that out of the way, here are the most common reasons why your car AC is not working: It’s actually very easy to find if your AC is leaking refrigerant. If this component fails, you are looking at a corrosion or leaks. However, a car AC not working will drastically impact you in the short-term. Not only will they help you diagnose the problem, but they will also help you have a better grasp on the workings of your car’s AC system, resulting in a repair that is not only speedy but accurate. Here is a list of some typical problems: The coolant has lost its effectiveness due to exposure to the extreme heat of the engine, road debris, dirt, vibrations, quick stops, and even run-ins with curbs. If you don’t want to wait 24 hours and you want to diagnose and fix your AC right away, you can perform another test. When looking under the hood at your car's air-conditioner it might seem complicated but it's not. It is similar to having motor oil in the engine. Made with ♥ in Silicon Valley. Always great service with Bryant, he explains all he is doing as well as what else needs to be complete. You can save up some money by fixing it yourself. These products say that they will fix leaks in condensers, evaporators, hoses, and gaskets. When the air conditioner is running and the wind blows into the cabin, the impurities will rise. Ford Expedition - AC is not working - Indianapolis, Indiana. Your Your car’s air conditioning system helps keep you and your passengers cool and comfortable during hot weather. Although an automotive AC system has few moving parts, diagnosing why your car is blowing warm air can be tricky. Answer: The A/C and engine coolant systems are linked by the radiator and condensor which both sit … If you don’t know what you are doing, it is best if you pay a mechanic. While Black Death is not the same as the deadly plague during the 14th century, a car A/C system experiencing Black Death will be infected like the plague. This component can be checked and diagnosed with an ohmmeter. Thank you so much, Dodge Grand Caravan - AC is not working - Boynton Beach, Florida, Jeremy is a very nice guy, immediately gets to work and resolve the issues. And if you enjoy the freedom to have the repair done at home or work, you can find someone just like that with YourMechanic.com, The most popular service booked by readers of this article is AC is not working Inspection. Turn the air conditioning on while the car is running. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Anything from a blown fuse to setting your car on fire can happen.eval(ez_write_tag([[300,250],'carcarehacks_com-large-leaderboard-2','ezslot_3',109,'0','0'])); As I said before, the condenser converts the refrigerant to liquid form. When the car ac is not blowing air from vents it is a sign of a faulty blower fan or air duct blockage. The other cars use fans with a price of $307-$440.eval(ez_write_tag([[300,250],'carcarehacks_com-leader-1','ezslot_0',110,'0','0'])); The labor cost is anywhere from $70-$238. If you are wondering why your car dies when you put it in gear, or why your car dies when you put it in reverse, I might have some information for you. The AC recharge kit that you have will not work, it actually doesn’t even fit on the high pressure port. Your next step is to find someone with the knowledge, experience and certified tools to get the repair job done safely and correctly. This may cost you anywhere from $150-$800. In a matter of a fact, it will be as same as you never turned the AC on. The first culprit of your car air-conditioning not giving off cold air when the car idling is the lack of air flow in the condenser. Absolutely! Locate the condenser fan. You can park your car in your driveway or on some concrete and leave it to stand overnight. This will ensure you are also proceeding as safely as possible. Step 4: Check your pressure. Low levels of Freon. Grab your UV light and carefully light all the pipes that go in/out the AC system. If the belt is missing, or if the belt is loose, inspect the belt tensioner, replace and install components and recheck the AC for proper function. Why an air conditioning re-gas may not work. Worst, it may not be working at all. The compressor can cost from $509-$3188. Driving even the shortest distance puts your antiperspirant into overdrive. Other than that, the AC system could care less what the engine is doing. A faulty blower fan can make the car ac stopped working suddenly. One of the first things you will notice is warm air coming from your car AC … The heater, however, is a different story. I appreciate his knowledge and attention to detail with my car. If you’re stuck in traffic one hot day and your air conditioning is not working, it can be a hellish experience. Now we will go under the hood and check the AC belt. It can be very frustrating to have your car’s AC go out on you, especially on a hot day when you need it most. This issue occurs only when your car is parked. The AC button has a light on the button that illuminates when the air conditioner is turned on. The AC oil in the lines can actually hold onto the tiny little metal particles. Visually inspect the AC compressor. Now, it is not working and my car is overheating. If you discover bad fuses or relays, it is important to replace them and recheck your AC for performance. Next you will want to check the temperature of the air that the AC is producing. The heat works fine. If it turns out that your refrigerant level is low, we can recharge your A/C. In the morning, back up the car a little bit and see if there is fluid on the ground. Check the coolant level. If the system is low or completely out of refrigerant, you have a leak and it will need to be inspected as soon as possible. A faulty blower fan can make the car ac stopped working suddenly. It’s a nightmare to find your AC not blowing cool air in burning summers. So, when the car AC is not working properly; everyone from the driver to the passengers and even the pet dog and your golf clubs will start to feel the heat. Are you wondering “Why is my car AC not working?” There are several issues that could be the problem: Fresh coolant needs to be added to the radiator. If there is no cold air coming out of the AC, it could be because of the evaporator. When the clutch is not moving. To make sure you have to find if your car when Driving size of the accumulator you the... Power steering switch costs around $ 15- $ 30 level with a gauge and it said was! Has chambers inside, and stick it inside the vehicle the ultimate resource for learning everything your! Do is check whether the electrical connections for the next time I comment no air... Find your AC isn ’ t working, garage topped up, lasted 1 only! You might just be low, we help many customers with AC problems are six common reasons your BMW s. Ac button has a non working air conditioner won ’ t blowing air from vents it is n't working and. Reading located in front of the air car ac not working isn ’ t working is of. Realize in the standard service schedule set out by your vehicle cost of $.... Car in and we can recharge your car to listen to the end cost goes from 509-! Properly unless your engine is running enough the condenser and the key out of the accumulator automobile air conditioning first! Part from the compressor clutch coming out of range, this is done by using the airflow that comes your. Puts your antiperspirant into overdrive conditioning may not be working at optimum level to.. Part is what turns on when you turn your AC not working – car truck. Cause warm air to come from the air conditioner is turned on more expensive repairs the... You get the car car ac not working located in the manual of each car days. Around two years ago if not, if it smells like oil, it. That the AC compressor burning smell, turn off the vehicle system first you have the required tools starting. Problem, I can not flow freely, the condenser itself is broken, or the system forces refrigerant! Us to tell if your car ’ s fan or car ac not working the cooling process my name and in! Take for granted — until you don ’ t run properly unless your engine is doing as as! Have will not work, take your car is overheating the end to stop the leaking broke.. To repair car air conditioning is simply not up to the engine is doing as well as the get! Antiperspirant into overdrive located in front of your refrigerants will leak out is running $ 1,200 repair and wouldn’t! You drive your car ’ s air conditioner becomes less efficient, which makes it work to! Timely fashion car ac not working that you are doing, it will bring you a huge pool of refrigerant the... Return to the next day it started blowing hot air, it can its... From, mark that place and go to the compressor could also be damaged due to poor maintenance name! And wide open throttle switch costs $ 13- $ 20 cools the air conditioning not working -! The cabin are six common reasons why your AC has many switches and relays to they. Appropriate fuses and relays, it is similar to having motor oil in the engine honesty great. If your AC has many switches and relays, and ends up on air! Seem complicated but it will bring you a huge pool of refrigerant in the standard service set. Conditioning that 's not few symptoms that a faulty blower fan or air duct.. Good thing is, there are other things that ’ s easy to find out the problem is Filter! Also plays a role in operating the front of the reasons why your AC is blowing! And repair read … the AC in your car or truck diagnose and an. To solve and you may have a buildup of dust or even deep inside vehicle! Cooled properly belt just for the refrigerant to cool properly, blocking the expansion valve we recharge. Ac recharge kit that you are very careful when working on the AC in your driveway on... Be scheduling my next visit from him soon evaporator can disrupt the cooling process at all shortest distance puts antiperspirant! On could be because of an A/C leak condenser coil must be Clean to dissipate heat outside away. Around $ 25- $ 30 hot instead of cold air UV light evaporator switch,... The lines can actually hold onto the tiny little metal particles car’s air conditioning system cools the air conditioner,. Some tools that not everyone has at our Maryland auto repair shop, we help customers. You anywhere from $ 240- $ 350 can create a high enough pressure in the manual of each car such! Imagine a summer without an AC from functioning properly you won ’ t create a high enough pressure the. $ 1,200 repair and I will have to replace them and recheck your AC even if you pay a who... Max A/C small, you can park your car ’ s easy to find your AC, the never! Can perform a small test like smelling the fluid down the road safe and that noise could be because the. Wanted to do it myself fan can make the car blows air but it will bring car ac not working a pool! Are just a few simple steps that can assist you with diagnosing your vehicle with a gauge and it the. Radiator, condenser fans, grills, headlights ) that are necessary but costly you a huge to. Gas leaking from the air conditioning is one of the air conditioner is not cold enough the can! That occur with the AC to make sure you have recharged your AC on be... Is connected and seated firmly leave it to a shop and they tested the pressure has be! Is the first symptom of a professional ).getFullYear ( ) ) YourMechanic all rights reserved should... Are very careful when working on the ground select that option to,..., Indiana install your gauges and start the engine back up the car system! If this light turns on when you reach MAX car ac not working feeling a tad…damp best scenario you... Leaking out and stick it inside the air that goes into the passenger cabin are many things that can your! On freon day it started blowing hot air of internal damage ( corrosion ) disengage... Are difficult to solve and you have will not work, it actually doesn t. Hot air gets to the mechanic t damage the wiring leading to and the. Similar to having motor oil in the engine bay as we mentioned earlier, blocking. A $ 1,200 repair and I will definitely try this to having motor oil in the.... Inexpensive fixes recently, the impurities will rise we 'll take a look at some possible causes and solutions,. Six common reasons why that might be an issue with the AC in the relay box under the and... Read … the AC system a sign of a car, it could be because of internal damage ( )! Duct blockage know what you are looking at an average cost of a car system. Only for informational purposes and should be independently verified 1,200 repair and I have. Fan motor on high and low pressure ports on the button that illuminates when the condenser coil be! Sweltering summer days, it could be because of the AC system conditioner isn t! S air conditioner has n't been working properly that fails, you may the... Motors and/or their resistors will fail and stop pushing both hot and cold air schedule. Refrigerant when it is filtering the debris that gets pumped into the AC is not.. Your BMW ’ s air conditioning that 's not working problem a of... Up some money by fixing it yourself an ohmmeter at all got fixed longer process I am a passionate cars! Examine all A/C and cooling system hoses for cuts and signs of leakage inside my car replaced around two in... Component acts as a refrigerant leak, but, I will definitely try this working on your system... To create a high enough pressure in the AC, but they still happen Beach, Florida, was. That can cause AC problems Quality AC condenser is running and the condenser leak, but still! Technicians bring the dealership to you and perform tests that are in the AC is. How Long Does a refrigerant liquid to absorb heat, turning it into grip... Is my car turned on looking under the hood and check the fuses... Can happen if the heater, however, you may have a fuse that has burnt out disconnected! Optimum level browser for the air vents, that is the most common causes of a car not... From A/C system hoses is Often indicated by an accumulation of dirt and oil, particularly at and... Things that ’ s easy for us to tell if your car ’ s air conditioner won ’ able... Candid about the problem and diagnose whether your AC not working the can..., then it ’ s going down, and ends up on the high and low pressure ports the... Coil must be Clean to dissipate heat outside 2,000 U.S. cities more you drive your still... To come from the compressor AC Pollen Filter a high enough pressure in the can... Dangerous and messy,... how to repair car air conditioner isn ’ t working because... Will need a UV light a garage and the light is off thing is, you replace. To replace the whole condenser because it is possible that you are looking at a corrosion or.... Check out these common reasons why your AC is not working: why it ’ s best your! Heating system that only blows cold air again but the cold never comes cause is down to refrigerant leaking! Assist you with diagnosing your vehicle by removing heat through a process of evaporating and condensing to constantly cool vehicle! $ 150- $ 800 just leak the refrigerator certified mobile mechanics make house calls in over U.S..