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How to Add Refrigerant To Your Car's A/C System

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How to Add Refrigerant To Your Car's A/C System

If the air conditioning system in your car is blowing nothing but warm air, then it may just need to be recharged. The good news is that it’s relatively cheap to recharge your a/c system; all you need is a can of refrigerant. Now when most people think of refrigerant, one brand comes to mind: Freon. While Freon might be the most well-known brand, you don’t HAVE to use it. Realistically, any can of car refrigerant will work as long as you apply it correctly.

So which brand should you pick up? Something with a gauge.

Once you’ve purchased a can of refrigerant, then it’s time to recharge your car’s a/c. Here’s how you do it…

Step 1: Pop The Hood & Locate The Low Pressure Port

Pop the hood with the car turned off. There are 2 pressure ports: a high pressure port, and a low pressure port. The cap of the high pressure port is marked with an “H,” and the cap of the low pressure port is marked with an “L.” The location of the low pressure port will vary depending on your make and model, but if you’re just eyeballing it, you’ll generally find the “H” cap in the middle of the engine bay, and the “L” cap closer to the back. If you’re having trouble locating the “L” cap on your car, then check out the A/C pro’s nifty locator tool, or search its location on YouTube. Trust us: you’re not the only one who has wondered about the “L” cap’s location. There is a good chance that someone took the initiative to post its location on YouTube.

Step 2: Start Your Car & Turn Your A/C To Its Highest Setting (MAX)

Remove the low pressure port’s cap and connect the refrigerant. Now, squeeze the lever and watch the gauge. Once you see the needle move from hot to cold, go sit in your car for a minute and feel the a/c. If it’s still blowing warm/hot air, then pull and hold the can’s lever again. Keep repeating these 2 steps until your car is blowing cool air.

Need Professional Assistance? Stop By Tire Country of Enfield Today!

While simple recharges can be effective, there will be times when you require an expert eye. Depending on your vehicle's age and history, a repair job may be necessary. If you’ve executed  the steps outlined in this guide, but are not getting the results you’re looking for, then feel free to stop by for a visit. We’ll gladly inspect your car’s a/c system thoroughly. We’ll test and check all its major components. Once our inspection is complete, we’ll explain what needs to be done in order to bring your car’s a/c system back to its former glory.   



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