Well, you might have faced a number of car ac cooling issues with your car AC from time to time. Average repair cost is $1,500 at 82,750 miles. Now, clean the coil from the car ac condenser from both inside and outside. Discussion Starter • #1 • Aug 10, 2009. Circuit Breaker Tripping. To clean the condenser coil, you’ll need a water pressure washer. So, the air wouldn’t come cold from the dirty car ac condenser anymore. Is it in the middle of driving or while the car is stopped? If it works but won’t turn the compressor, you’ll might need to replace the entire compressor unit. Over time, the AC cycles the air and turns it into a cool one. But this problem that we are talking about, is quite a different one. © 2021 Copyright BA Auto | Web Development & Hosting by Mays & Associates, download our air conditioning diagnostic sheet, "Getting To Know Your Car: The Key to Quality, Web Development & Hosting by Mays & Associates. Why does my air conditioner only work sometimes (intermittently) in my 2000 Toyota Tacoma PreRunner? In this part, we’ll learn, To clean the condenser coil, you’ll need a water. Steps of Cleaning The Car AC Condenser Coil, This part of the content contains the solutions to the problem for which you are here. How long were you driving before the system failed? This is the most common reason for why your car’s AC is not blowing cold air. Let’s get going…. Take a water mixture with no less than the best detergent for the car wash. Make the mixture saturated enough. for more precise operation. © 2021 | Car Care Lab is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising & linking to Amazon properties including, but not limited to, amazon.com. Intermittent problems can be a challenge for both the automotive technician and the customer. Does your A/C work fine when you first start the car but then fail after a while, especially on hotter days? One day it just stopped working altogether. Does this problem occur all the time? In this part, we’ll learn how to clean car ac condenser coils, as this is the probable reason for your problem. We know the feeling. Sometimes, the coil may get dirty and stay out of order. How Would You Know If There Is A Problem? I recharge the system with fresh r134a, but it still would not come on. The next step is to bring your car in, along with the diagnostic sheet, and have it checked out. The fins of ac units are bend at near around 140psi. 2 Posts . If you’re done with both of the steps, take the coil out and clean it off with the best. And you need to know how to solve the problem immediately. Completely or partially? And that’s probably what happened in the case of your car ac as well. Car air conditioner working intermittently? I have a 2000 GMC Sierra, 5.3L V8 with 200K miles and the air just started to act up. There is probably a problem that you need to take care of. If this is the case, be sure to take it into a mechanic as quickly as … Answer to your qusetion is NO. Common car A/C problems include air conditioner smells, warm air blowing out of the vents, a lack of pressure when the air blows, and a failure to blow air at all. If your car’s air conditioner isn’t blowing cold air, the first thing you should look for are signs of leaking or an A/C compressor that does not engage. When the fluid inside such appliances (also called refrigerant) changes from a liquid state to a gas, it cools down. 4. Make sure to get the best car cleaning pressure washer with a pressure controller. Collecting Initial Information Turn the air conditioning on while the car is running. And we guess, you’re suffering from this problem right now. The AC orifice tube / expansion device filters and regulates the … He came to the U.S. in 1972 to work for a Land Rover dealer in Rockville, MD, and a few years later, started British American Auto Care with his wife, Jennifer. If you have a situation where your car’s air conditioner compressor clutch doesn’t engage, try the troubleshooting techniques described here. Before cleaning the condenser, clean the fin if there is any dust. For the past YEAR my cars a/c works intermittently, I have any theories: when it's hot, the ac blows out room temp air and 10-20min later ac will kick on, when it's cold out ac works fine, when it's not working and I hit a bump in the road it works … But if you’re a DIYer, you may not prefer it. Make sure to get the best car cleaning pressure washer with a pressure controller. A Leak in the A/C System. What if it keeps blowing hot air all the time? But what if the car ac doesn’t blow cold air at all? We and our partners share information on your use of this website to help improve your experience. 3. 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. This means ensuring that that the refrigerant system is fully charged, there are no leaks, and that the pressure readings are within the specifications. Because the cold air takes some time to get produced. Now, take a brush and start cleaning the coil smoothly. Feeling a bit frustrated? Sometimes, it might get clogged as well. . Zero Breeze. Over the last ten years more and more features have been added that make automotive air conditioning and heating systems more complex. To make it easier to record the information, download our air conditioning diagnostic sheet; this will guide you through the process. However, low refrigerant is not the cause for an AC which intermittently blows cold air. I was driving and it was almost like someone had turned the air down so it wasn't blowing out as hard. Afterward, you’ll be exposed to the ac fins. If you suspect your car air conditioning system is leaking refrigerant, there’s a simple way to check for the problem. If you’re done with step 4, the debris and dust that are large and loose should be wiped away. Once the system is running correctly and the technician has all the data, the next step is to see if there are any common problems that match the data you have provided and the technician has collected. But if the problem isn’t properly diagnosed, you may end up repairing something that wasn’t actually causing the problem. Make the mixture saturated enough. Were all the air vents starting to get warm? Open up the fin, and let’s proceed to the next step. An air conditioning system controls the temperature in a car and works in a similar way to a kitchen refrigerator. Keep it for 10-20 minutes. You probably have issues with the front HVAC , A/C Expansion valve, Evaporator, blend air actuator, blend air door, or Control Panel. But when the ac unit isn’t serving its goal, things become a little uncomfortable for us all. If you’re done with both of the steps, take the coil out and clean it off with the best air blower for the car. Brian England, the current president of BA Auto Care (formerly British American Auto Care) got his start with an auto apprenticeship in a small town in the northwest of London. I first noticed it a few weeks ago. I checked the Freon level as well as the relay. Remember not to be too harsh with the cleaning. Sometimes, the coil may get dirty and stay out of order. If it’s hot in a situation of car air conditioner blowing hot air , then it’s an engine problem. It's just behind the driver side headlight, swap old for new and then vacuum the system and refill with freon; cross fingers that it works now. Throughout the steps of solving this car ac cooling issue, you might have noticed that pressure washer had been used. Few seconds later it all stopped. The AC unit is one of the most frequently used parts of your car. Leaking Refrigerant. You’ll need a set of screwdrivers to open up the cover. But the pressure washer would apply a force on the fin which is around 600psi. It seems like it will come on intermittent. So, the air wouldn’t come cold from the dirty car ac condenser anymore. Is the air conditioning control panel functioning normally? And that’s probably what happened in the case of your car ac as well. If the system indicates a proper charge for the rear, it applies to the front as well. There should be screws with that as well. Sometimes, the coil may get dirty and stay out of order. I looked down and turned my knob and it was sitting at 60 (my car has duel climate controls so I checked to make sure duel/passenger side was off and not interfering as well). Make sure to have no water on the condenser while putting back on the ac unit again. Be certain to be able to handle the fins with care, because they are pretty lightweight and made of light aluminum. This condenser has cooled and fans to push the air through. First of all, the basics have to be right. If you don’t have any hot air blower, you may try it to keep under sunlight or dry air. Does the control panel of the AC unit work properly? And now, immerse the condenser into the cleaning mixture. Sometimes, it might get clogged as well. No, your car AC didn’t forget to turn the air cooler. First things first, you need to open up the car ac. Or it’s occasional? When does it happen? If this doesn’t uncover the problem the technician will hook up monitoring equipment and see if he can reproduce the problem. When warm air is coming out, is it coming from all the vents of the ac? 5. First, the air conditioner may not be the problem. It stopped working last summer and a few days later it was cooling again. Before things get heated, come to Firestone Complete Auto Care in Natick. 2. To get done with that, don’t pour water onto the coil directly. To see why this could be, you will need to check the compressor clutch. The air conditioning in the Corolla started to be intermittent. 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. It seems to work when it wants to but it does seem to stop cooling if I've been out driving a couple hours. This will let you clean small openings like car ac fins with proper pressure. I may not drive for a couple days and it will cool again. Make sure to enough airflow at the place where you’re drying it off. Where you ’ re suffering from this problem of car ac didn ’ t diagnosed. 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