car ac not blowing cold air sometimes

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Yes. A ride can be even more uncomfortable if you are stuck in traffic. If all looks good on the power front and your AC is still not blowing cold air, it could be that the thermostat on your unit isn’t set at an appropriate temperature. Its job is to cool the warm refrigerant, and that makes the air cold when it reaches the evaporator. 9 Causes of Car AC is Not Blowing Cold Air, 9. The condenser is installed in the front of the car, transferring heat away from the evaporator inside the car. Some car compressors use a clutch inside the air compressor. The first thing to check if your car air conditioner does not blow cold air is the condenser fan. If you leak in the AC system, the pressure will get lower and lower and finally stops working at all. Where is the actuator for 2013 GL450. In cold weather the coolant is not needed to cool the engine, therefore it needs to circulate around the engine for a few minutes in order for the heater to feel warm. Thank you Matt, Jeep Patriot - AC is not working - Indianapolis, Indiana. When this happens, you won’t get cold or even cool air blowing from our air conditioner. Common car heater problems explained Car issues can make people scratch their heads. How to recharge ac in car. P0531 OBD-II Trouble Code: A/C Refrigerant Pressure Sensor Circuit Performance, Symptoms of a Bad or Failing AC Low Pressure Hose. Therefore, it is possible that your car is low on refrigerant that is preventing your air conditioning from working properly. If the condenser is blocked by debris or is damaged, the refrigerant will not flow. While your situation the problem is cold air, it may be how this system gets stuck in your car. 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 statements expressed above are only for informational purposes and should be independently verified. So I had to switch it off and wind down, as I returned from Church. If you haven’t refilled it in 6-7 years, it is definitely time for a refill, and if it was more recently you filled it, it is time to check for any leaks. Thank you for sharing what we need to do if the air conditioner isn't blowing cold air. The main issues that occur with the car’s air conditioning system are due to poor maintenance. If you didn’t find what you were looking for, you can ask your car questions to a mechanic. Definitely no BS from him. Ford Expedition - AC is not working - Indianapolis, Indiana. i have a 2003 mini cooper s , sometimes my ac will blow cool air but not cold and sometimes it blows ice cold air. Potential causes of hot air. These include: Low Refrigerant: Low refrigerant will prevent your air conditioner from operating (the clutch won’t kick in and make the compressor cycle if the amount of pressure in the system is off). © Mechanic's Assistant: What is the model/year of your GM? An evaporator covered in ice can’t cool the air, so you would have to wait until the ice melts, which is why the cold air eventually returns. During the failure of the compressor, the refrigerant will stop flowing during the downtime thus causing the air conditioning vents to blows warm air sometimes. It is also... Hey there. Active 2 years, 6 months ago. If this actuator is faulty, your car might blow hot air out from the vents even if you require cold air. Also cars use flaps to regulate air mix from heater core (it is in … Will I refer him? Check to see that the cooling fans on the condenser or radiator are running when the air conditioning is … Poor maintenance of the air conditioning unit is the main culprit for car air conditioner not blowing cold air when idling. It will not only stop the condenser from cooling the vehicle as well as the maximum efficiency of the refrigerant will be used to blow in hot air inside the car. Air Conditioner – If your car’s air conditioner stops working on a hot day, then the ride to your destination can be quite uncomfortable. The last cause on this list is a faulty heat controller. Restrictions in the System: What happens when you kink your garden hose? 1 ... Air Conditioner Will Not Cool When Car Is Moving. You can also go to our homepage and search for your car problem by using the button below. Car ac repair. LEARN MORE. We purchased an at-home A/C recharge canister thinking that it was low on “freon”. Check for crimps, kinks, and traces of refrigerant on the hose. Leaking or low refrigerant is the most common reason you might have an issue with a car A/C not blowing cold air. You can reduce your car's environmental impact with tune-ups, filling the tires, and making your car lightweight. If your car heater is suddenly blowing out cold air instead of heat in the middle of a bitterly cold winter, you have a good reason to be frustrated. How to Replace an Air Conditioning Compressor Relay. I looked online and people are saying maybe the little blend AC door actuator has gone bad and doesn't open properly to let the AC air come in. A number of different problems can prevent your AC from blowing cold air into the cabin, and some are more serious than others. Sometimes it will blow warm air, sometimes it will blow cold air. Most newer cars have a variable AC compressor, though, and in this case, no AC compressor clutch can fail. 1. Basically my car's AC will always blow air. It’s also possible that there is a very simple reason your car air conditioning is not cold, and that is electrical. Absolutely desperate, of course! Sometimes might be easy and inexpensive, but sometimes it might be costly. Mechanic's Assistant: Have you checked the coolant level? Why does my air conditioner blow cold only sometimes and hot ... just went out to the car and turn the ac on full blast with and noticed the fan spining. How Much Power Does the AC Draw From the Engine? We have a 2006 Corvette. Very knowledgeable and friendly. 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. Although reasons can be many but the solution can be very common mostly, and in some cases, very particular. For a more in-depth look at automotive air conditioning systems, read this How Stuff Works article! What Sensors in the AC Tell the Car If the System Is Working or Not? And sometimes while driving down the road the cold air just up and quits working. The filter catches all the dust and impurities that enter the passenger compartment and can, therefore, become clogged over time. Car issues can make people scratch their heads. If the high pressure spikes above 300 or more, then the compressor can produce pressure but... Get a fair & transparent quote instantly before booking. I just had him make the repair, which was done quickly. If the pressure gets too low, it will also shut off the function of the AC compressor. Typically an iced over evaporator is the culprit. Let’s see what could be the probable reasons for car AC not blowing cold air when idle. AC compressor isn’t circulating refrigerant. YourMechanic All rights reserved. One of the most common causes of an air conditioner malfunctioning is a freon leak. 1. You do often have to replace the AC condenser at least every 10 years. As you might understand, it won’t pass any wind through it at lower speeds. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. A car’s air conditioning system is complicated, as we’ve probably made clear so far in this post. The only way to properly diagnose a system is with a lot of specialized equipment. Anyone could have told me its a $1,200 repair and I wouldn’t have known differently. In case of confusion, you can call a repairer and let him seal all the leaks causing AC compressor running but not cooling.

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