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How To Find and Repair AC Leaks – EricTheCarGuy

   May 7, 2021  40 Comments on How To Find and Repair AC Leaks – EricTheCarGuy

Visit me at: http://www.ericthecarguy.com/

How To Recharge an AC System: http://www.youtube.com/watch?v=lglPJuBXVeE

Basics of AC: http://www.youtube.com/watch?v=w17DpGCcRj8

AC Performance Test: http://www.youtube.com/watch?v=XU_A4wNuHXI

I suppose this has been a long time coming but for me I wanted to make sure that I made a video that would be useful to you as well as emphasized the importance of good practices when working with AC. Keep in mind refrigerant is a CFC meaning that it pretty much kills the ozone layer and if you don’t respect that you WILL cause environmental damage even a little adds up so please follow the precautions in this video when working on an AC system. The other thing about AC is that it involves a lot more than just shooting a can of refrigerant into the system when it’s not working right there are many systems that come into play that you need to consider such as; the health of the cooling system, cooling fan operation, the mechanical operation of the components of the system, the operation of the HVAC inside the dash, and the electronics so keep in mind if you’re having a problem with your AC it could be much more than just a simple leak. I’ll get off my soap box now.

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ETCG

Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information.  EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video.  Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result.  Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.

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40 thoughts on “How To Find and Repair AC Leaks – EricTheCarGuy”

  5. GREAT VIDEO LOVE WATCHING ALL YOUR VIDEOS WHY NOT ADD SHOP AIR TO THE SYSTEM SINCE YOU ARE ALREADY REPLACING THE DRIER. SHOP AIR AND SOAPY WATER YOU WOULD FIND ANY LEAK.

  6. It's not good practice to leave your gauges on after you evacuate the system. You should evacuate for a minimum of an hour and then close off your valves at the inlets and remove the hoses. The leak you see could be in your gauge set or hoses. You should reconnect the hoses and check after some period of time, say 1/2 hour and read your vacuum to see if its held.

  13. Unfortunately pulling a vacuum and watching for a loss of vacuum does not always show a leak, because the leak maybe only on pressure as is in my case. I pulled a vacuum fore one hour and let it sit for two hours and charged the system and two weeks later no AC. This is after a new evaporator coil, dryer, and a pressure switch.

  18. I could tell you had a leak when you closed the valves at 9:35, because the pump changed it's tone. If you have a perfectly sealed system the pump won't know if the valves are open or closed.

  21. Since this video is over 8 years, old, you may have been corrected about R-134a's detrimental environmental effects, in case you haven't, I went to wikipedia to confirm what I knew, and that is HFC's do not harm the Ozone layer, that said HFC's are a green house gas and may promote global warming

  22. ? Instead of charging the system with the refrigerant would it be appropriate to charge the system with air and use soapy water and look for bubbles. since it will need to go into a vacuum again before you charge it again?

  23. I never see any of you guys that do these AC videos purge the air out of your hoses. You are pushing the air inside the hoses into the system !!!

  27. Good information, much appreciated. Do yourself a favor and get a good USA made set of gauges. You can get a good set of yellowjacket gauges for a little over a hundred dollars on amazon.

  32. Question do vacuum pumps work with all refrigerants like r1234yf or do you need a specific pump for it ?

  34. The leak detector from harbor freight was a great investment for me. Found tiny leaks and found the evaporator leak in my kid's car. Verified after getting underneath and there was dye in the drain tube.

  39. Using Dawn dish soap and water with a high amount of the dish soap and putting a small amount of refrigerant works if the soap and water is over the leak it should start blowing bubbles.

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