How to find leak when the A/C system is empty

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[bobross]

What a great no-nonsense video! No loud music, right to the point! Thank you!

[vinnyc]

i see u are getting better after your stroke. im in the same boat. progress is slow but progress is seen. never give up never surrender

[JohnnyTalia]

I just use a rubber-tipped air nozzle directly on the manifold feed (yellow hose) inlet to put about 70 PSI in the system, close the manifold valves, then spray the hoses and connections with soapy water. Where you see bubbles is where you got troubles.

[aregularguydoesstuff]

I want to thank you for such a helpful video. I installed a new evaporator core in my 2005 Avalon last week. When I vacuumed the system it would not hold pressure. Using your method I found that the leak was coming from the new evaporator core! I returned it and when I installed another new one it’s sealed up perfectly.
I never would’ve guessed the brand new part had a manufacturing defect but obviously it did. Thank you so much.

[absaluteviktory]

I really appreciated the amount of words you used. You didn't talk excessively but you definitely included enough detail to understand completely what you're saying. You also didn't have a long involved introduction and started the substantial parts of your video quickly. This is a skill that Youtubers with a million subscribers do not have. I will definitely watch more of your videos, as needed.

[johnkaplanian]

Dear Mr. Duane, alternatively, technicians in the middle east use a small bucket with soap water and sponge where they use the sponge to spread condensed soap over all potential AC leaking places while the system is under about 150 PSI air pressure. Thank you for such a wonderful videos. Take Care and Enjoy Your Heaven. John Jack Kaplanian.

[Youngguns]

Thank you for saving me $35 for dye, the air was free and it worked. I used a few of your videos for other repairs, as always they are easy to understand

[mikehart]

Really like your very straightforward, simple approach. No fancy dancy stuff. Just practical stuff that works. And you explain it in terms I can understand. Thank you

[kittycatz]

Absolutely awesome. Love the old school way of doing repairs. I would listen to you any day!

[gordongodspeed]

Thanks for this. I went so far as to machine my air fitting with 7/16 20 threads for a leak free connection. It took no time to find my Suburban rear a/c line was leaking back at a mounting bracket at the rear wheel. I'm in the rust belt so it was of little surprise. It took minutes to find the leak. I repaired the line, vacuumed it down, and refilled. Fixed the a/c in a few hours. Thanks!!!!

[markkolecke]

Duane you’re a real hero. The fitting to use into your charging hose is 1/4” flare by 1/4” npt. This channel saved me a few times thanks for everything you do.

[tejastechman]

Great video Duane 👍. Here is another tip you could use a long hose to hear 👂 to pinpoint where the air leak is coming from. 🙏👋

[skillz]

I've been watching you for many years, Ive always appreciated your skill. Keep them coming

[Crappie_Hunter_Seeker]

Always love your videos Duane. Your experience is unmatched! Thank you for sharing.

[shanebaldwin]

Great video, and a good straight forward way to find a leak! I like to light a cigar or cigarette, though I rarely smoke, they are in my toolbox. Take and blow smoke into the charge port, then simply look for where it comes out. It works well for vaccum leaks as well.

[donterlondon]

Sir, among all the 'professional mechanics' out there, only you provided a workable solution. I found my AC leak in seconds after applying the shop hose. Bravo!

[AlexFlores-jjbz]

As a tech in this beautiful yet challenging field I can say we never stop learning and you sir have shown this old dog s few new tricks, thank you for that and Keep the videos coming.

[jgeorges]

Mr Duane, you are AWESOME always enjoyable learning from u thank you and appreciate the time it took to do this.

[lenhofer]

Mr fix it ....u probably know this but u can get a 1/4 npt male thread to male schrader fitting ....works great for what your doing....

Got two family (extended) members n daughter had a stroke at the same time....tough to watch....comeback is not easy...your a great teacher...

[tyefactor]

GREAT VIDEO, Duane ! I had replaced my compressor, but couldn't get the system into a vacuum. Using this technique I QUICKLY found a loose fitting on my gauge set ! BLOWING COLD NOW ! THANK YOU !!