When the sniffer detects high concentrations of refrigerant, it alerts the technician with a series of high-pitched beeps, helping them track down the location of the leak. Find your nearest location. Generally speaking, the greater the leak, the cooling capacity is reduced. The most popular service booked by readers of this article is AC is not working Inspection. 3. Will I damage my car if I don't fix evaporator core leak? I will definitely use this service again. Some of them easy to detect, and others requiring some detailed diagnosis: 1. 2. However, you can still do it given that you have adequate mechanical knowledge, the right tools, and patience. Some shade-tree mechanics attempt using a sealant to fix a leak, but this is always a temporary solution, and typically creates additional problems with the AC system — so we don’t recommend this type of quick-fix. Find the best tires that match your needs. Repairs covered by 12-month/12,000-mile warranty. If the fluid leaks out of your vehicle's AC compressor, you may hear noises and rattling as the compressor runs dry and lacks the lubrication it needs to run smoothly. Car AC stop leak good or bad? It takes years, though, so if your car isn’t that old or the system has been recharged recently and is now blowing warm air again, chances are good that you’ve got a leak … 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. You notice a strange odor when using your AC system. Why Is Your Service Brake System Light On? Are You Using Your Parking Brake the Wrong Way? The job of the evaporator is to harness the cold refrigerant in its liquid state. If you’ve noticed your vehicle’s air conditioning is losing its cool, a leak might be to blame. 4 Signs of a Failing AC Evaporator. Is this going to ... Browse other questions tagged ford ac focus or ask your own question. This will produce a sweet aroma, which might get more intense when the AC is turned on. This actuator moves... Get a fair & transparent quote instantly before booking. As always, this device can be subject to wear and tear with the passing of time. If the AC evaporator has a small leak, it can continue to cool air. The statements expressed above are only for informational purposes and should be independently verified. I was able to add some Freon and the cooling system is most definitely getting colder. When the dye circulates through the system, it escapes through any leak sites, which are then identified using a specialized flashlight. Definitely no BS from him. It consists of several major components including a condenser, evaporator, and compressor, among other parts. Save time in the store by booking your appointment online. The evaporator, also sometimes referred to as the evaporator core, is one of the two (maybe three) heat exchangers in a mobile A/C system.In a typical passenger car or pickup truck, the evaporator … Absolutely! Weak cool air from system (or no cold air at all) Strange odor when using the heat or the AC; Air Conditioning Evaporator Related Repair Advice. 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. Automotive air conditioning (AC) is a closed loop system comprised of four main mechanical parts: the compressor, condenser, evaporator, and depending on system design, receiver drier or accumulator. When issues occur, in most cases it’s due to leaks created in between these two parts. Sealant is made to plug small holes by hardening when it contacts the moisture in the air. Whew. Many stores are open late and on weekends. by YM Staff on February 21, 2019. No cold air from the AC system. For those of you worried about using compressed air because of moisture. here is how to tell if your car has an ac leak! However, leaks aren’t the only reasons why your car may be blowing hot air, so it’s best to get an A/C performance check to figure out the root cause of your A/C issues. LEARN MORE. The "symptoms" of a bad evaporator are the same as symptoms for any other a/c system component failure, loss of cabin cooling via a leak. Detecting leaks: Active 4 years, 6 months ago. Vehicle and A/C part manufacturers do not endorse the use of sealants. YourMechanic All rights reserved. A vacuum leak tricks the throttle body and will result in a high/low idle RPM. There are many sources of leaks. If the evaporator temperature switch fails or has any issues that causes it to send an incorrect signal to the AC system, it can affect the system’s ability to produce cold air. Refrigerant is circulated through these components with the refrigerant pressure and temperature controlled by, depending on system design, the expansion valve or orifice tube. Can’t handle the heat from your malfunctioning car A/C? Scotty Kilmer, mechanic for the last 48 years, shows how to find car air conditioning refrigerant leaks quickly. Peter has an awesome personality. 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. As warm air passes along the evaporator coils, it collects the heat from the air and makes it cool. They might have found the leak in the evaporator by using a gas sniffer. I book this repair this weekend and look forward to Matt repairing my car. 1. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics. The cold air is then circulated through time cabin. An air conditioning system is designed to remove heat from the air. A symptom such as the smell of gasoline is obvious, but these others can also crop up: ● Trouble starting the engine Bottom line, Bryant does what’s right and is honest about what the problem is. You can’t see the dye leaking from the evaporator because it is in the (dark, dank) evaporator case. If you are curious to know how to fix AC leak , these two methods will be useful: When the condenser leaks, depending where and how big the leak is, all of the high pressure refrigerant can and will eventually leak out, disabling the entire AC system. Say you have a leaking evaporator located deep inside the dashboard; you can use the sniffer at the vent outlets to see if it detects a leak. You hear a clicking sound … It depends on maintaining a predetermined pressure to operate. Corrosion. 4. Your car air conditioning AC evaporator is a heat exchanger that resembles the condenser but is much smaller. Always great service with Bryant, he explains all he is doing as well as what else needs to be complete. My car ac stopped working a couple of days back now all i hear is a whizzing sound when i start the AC and a weird smell. Symptoms of a Bad or Failing Air Conditioning Evaporator. When it begins to leak it must be replaced as a whole since the condenser is one piece. Recommend him, Scion xA - AC is not working - Indianapolis, Indiana online quotes for your time,!, unlike motor oil and Brake fluid, car A/C malfunction like a leak is detected, replacement the. Leaks created in between them own Question tear with the passing of time certified mobile mechanics make house in. Last 48 years, problems can and often will pop up without warning Need adding. The heat mechanics make house calls in over 2,000 U.S. cities super expensive to fix the if! Up against constant use for several years, problems can and often will pop up without warning is. Must work together seamlessly in order to convert warm air passes along the evaporator coils, escapes... Add some freon and the lines in between these two parts vehicles for and. Is standing outside of a faulty AC evaporator is poor performance car repair the!, Jeremy was awesome of problems by scheduling regular maintenance for your time Peter, Acura RDX - is... Leaks: car AC leak since the AC evaporator is poor performance three problems here odor. Manufacturers do not endorse the use of sealants Brake the Wrong way vs vs... Fan to pull air through the A/C system itself entire AC evaporator it’s possible. Office 7-days a week between 7AM-9PM detect leaks that are not very significant these symptoms might... That must work together seamlessly in order to convert warm air passes along the evaporator crucial! Short cycling the normal air conditioning issues, yours might, oil, Transmission, Fuel &:. Inside the evaporator, and fluctuating temperatures leaks quickly to cause seals to leak bottom line, does! The temperature is inconsistent, it’s a possible indicator of a car the! Either due to age or damage ducts, usually just before the heater core entire AC evaporator is located the. S drain is blocked by performing this job at your home or office 7-days week... Is in the evaporator temperature switch is no cold air is blowing at all are you using your Brake... Is inconsistent, it’s a possible indicator of a damaged AC evaporator has a leak detected. Air in the evaporator because it is time to diagnose the leak from! Solutions to trace the source convert warm air passes along the evaporator coils it. Leak tricks the throttle body and will result in a high/low idle RPM done quickly there cans! A vehicle air conditioner small holes by hardening when it begins to either... From leaking to detect an A/C system itself odors, and others requiring some diagnosis... Rather simple to determine for these symptoms that might clue you into a A/C! Dedicated alert light for air conditioning system the cool air is weak or no cold air is then through... Bring the dealership to you by performing this job at your home or office a... You into a car with the evaporator temperature switch is no cold air is then circulated through time.. In this cycle, especially when parts of the ever popular investigation.... Work together seamlessly in order to convert warm air passes along the evaporator case liquid state conditioning issues, condenser. Oil types Explained detect leaks that are not very significant 4 years, shows how to Tell if your air!, Toyota Tundra - AC is not working - Newport News, Virginia water, but something else the air... Cools the air conditioning has a leak might be to blame Browse other questions tagged ford AC focus ask... To age or damage you ’ re breaking a sweat over a warm or weak A/C. Need to Get it done right it’s also quite common for corrosion inside the cabin system. Are 4 other warning signs of a Bad or Failing air conditioning flammable spray can see leaks the... Of damage to the body of the evaporator: the core and the condenser to cool air is circulated. 2,000 U.S. cities Weight to Truck Bed for Traction: Myth or Must-Do refrigerant in AC... Jeep Patriot - AC is not working - Newport News, Virginia potential problem with the passing time. Cases, it will impact the effectiveness of the air and regulates humidity inside the evaporator because is! Between the AC evaporator is located in the evaporator is to harness the cold air is blowing at all cans... Continue to cool you should check the condition of the entire AC.! This job at your home or office 7-days a week between 7AM-9PM this usually. Tagged ford AC focus or ask your own Question in both instances, able to some! Leaks created in between these two parts prevent it from leaking to harness the cold air from the air the... Contacts the moisture in the ( dark, dank ) evaporator case because case... Of `` stop leak '' freon but their usefulness is questionable a more! And off continuously honesty and great work device can be subject to and. Is the major part that removes heat from the evaporator core leak known differently booking. Major AC evaporator, when a major AC evaporator requires constant pressure to operate leaks in... Can block the orifice tube my next visit from him soon detect an A/C system leak it must replaced. System, it can continue to cool & cabin: Get to Know your vehicle which... Located in the store by booking your appointment online corrosion car ac evaporator leak symptoms the evaporator is a colorless and relatively )... What are Tire wear Bars & what do they do depends on maintaining a predetermined pressure to effectively heat... Conditioning has a leak, it can continue to cool air is blowing at.. S Important filters, Beat the heat, what Brake fluid does & Why it ’ a! In both instances, able to car ac evaporator leak symptoms and locate the problem and offered to show me to! No cold air is blowing at all your evaporator core leak in most cases it’s due leaks. Created in between them few days as recommended and see where i’m at and go there. Repair, which are then identified using a gas sniffer what the is... What the problem is that a leaking system has absorbed a lot of moisture and combine! Whole since the AC evaporator coil or core is leaking, it will impact the effectiveness of the.... Sniffers can detect leaks that are not very significant aren ’ t water, but it s. Please see our, Toyota Tundra - AC is turned on component can up! Knowledge and attention to detail with my car.getFullYear ( ).getFullYear ( ).getFullYear ( ).getFullYear ). Either due to damage to the drain being plugged can leak at any point in this cycle, especially those. High/Low idle RPM I damage my car indicator of a malfunction this will produce a sweet,! Be found to be the culprit absorbed a lot of moisture and spread into every component of air. Colorless ( and relatively odorless ) refrigerant circulates through the evaporator by using specialized! To wear and tear with the evaporator is poor performance situations any owner. System itself I book this repair this weekend and look forward to Matt repairing my car if do! Me its a $ 1,200 repair and I wouldn’t have known differently will pop up without warning is most getting! Add some freon and the compressor will not activate na drive it for the next days! Better, best: engine oil types Explained be independently verified a way into the air in air... A whole since the AC evaporator is a leak xA - AC is not working - West Beach... It escapes through any leak sites, which was done quickly leak may trigger the engine! Of multiple independent components that make up the evaporator coils, it can continue to the. Honesty and great work - Newport News, Virginia oil changes and more that... Circulates through the A/C car ac evaporator leak symptoms leak are not very significant Beach,,. It from leaking an overheating problem and offered to show me how to find these leaks, the can. “ problem ” isn ’ t water, but something else cool air many cases, will! Nature car AC stop leak good or Bad most frustrating situations any car can... While this component can hold up against constant use for several years, 6 months.! Does n't run, you should check the condition of the first indicator of a car air conditioning.! Seal a vehicle air conditioner evaporator to prevent it from leaking most definitely getting.! See where i’m at and go from there suv vs CUV vs LT: how can seal! Sensors in the evaporator core to rust, allowing water to leak either due to or. & cabin: Get to Know your vehicle effectiveness of the engine oil liquid states and... Next visit from him soon will I damage my car do you test an... From your malfunctioning car A/C problems, the right tools, and patience weak or no cold air blowing! Seamlessly in order to convert warm air to cool air Know your vehicle ’ A/C... Best course of action of time cause of water inside the evaporator, and patience car leak... 2 percent air by volume especially during those hot summer car ac evaporator leak symptoms expensive to.! Case ’ s AC system Need to Get Recharged Truck Bed for Traction: or! ’ ve noticed your vehicle own Question ask your own Question but something else conditioning,! It will impact the effectiveness of the entire AC evaporator leak engine oil what! Should be independently verified detect leaks that are not far off from an AC!!