Completely saved my air conditioner which is now working perfectly. My outdoor copper pipes also froze after several thaws. Everything indicated that I had a very, very small leak "somewhere". I charged the system using a youtube video that showed me how to do it 4 months ago and the AC is colder and runs less as it can reach the set temperature quicker. A tip: Use a caulking gun to inject the lubricant. sealing solution.
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