My dash A/C works great although it will lose some R-134A over several months time. I added a can and a half about four months ago (hose with vale and gauge from auto store). I noted at the time that ...
Yea, I know I'm going to have to find the leak one of these days. The system is on a 40' Foretravel motorhome. The compressor is in the back and the condensor and fans up front. I have been using the auto store cheapo gauge and setting the pressure according to the instructions re ambient temp. Come to think of it, the second can refused to completely close up when I extracted the needle valve. Anyhow, thanks for the advice. It's cooling well now so I'll just leave it alone for now. jor
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