Show Download Article If your car’s air conditioner isn’t blowing cool air, then you’ve likely lost some of the refrigerant, usually due to a leak. You can recharge the system yourself with a charging kit and some refrigerant, as long as your car uses r134a refrigerant.[1] First, you’ll need to check for leaks. Then, check the refrigerant pressure and test your system. Finally, you can add your refrigerant and finish the recharge. If you have a hybrid or electric car, don’t try to recharge the air conditioner yourself, as it can result in a lethal electric charge.
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Advertisement ReferencesAbout This ArticleArticle SummaryX To recharge the air conditioner in your car, first you'll need to repair any leaks in the air conditioning system using a sealant. Then, check the pressure in the system using a pressure gauge hose to make sure it's above 0. If the pressure is below 0, you'll need to have the system repaired by a professional. Finally, turn off your car and add refrigerant, checking the pressure every 10 seconds until you reach the desired pressure. To learn how to add refrigerant to your car, scroll down! Did this summary help you? Thanks to all authors for creating a page that has been read 1,989,826 times. Reader Success Stories
Did this article help you?Can I recharge my air conditioner myself?If you need refrigerant for your air conditioner, you'll need to contact a professional heating and cooling technician. Under EPA regulations, only a certified professional can recharge your home's HVAC system. You should never try to recharge the A/C yourself, even if you have a home air conditioner recharging kit.
How much AC refill do I need?Most cars hold between 28 and 32 ounces of refrigerant (or about 2—3 12oz cans), however larger vehicles and those with rear A/C will likely hold more. Check your vehicle manual for the system capacity for your specific vehicle.
How do I know if my AC needs to be recharged?Signs your air conditioner needs freon. Air conditioner is always running but it doesn't cool your home.. Vents are blowing warm air.. Electric bills are higher than before.. There is a buildup of ice on refrigerant line.. A hissing or bubbling sound from the refrigerant line.. |