#1 So I was working in South Texas when my A/C went. 90+ Fahrenheit. I located the dreaded pin-hole in rear high pressure line behind passenger front tire. I was on the road already and found a Wal-Mart and procured some R134. I had an assortment of tools with me... but nothing to patch the hole. But I did have some Quick set JB Weld. I removed a screw from the back of my tape measure, shortened it with a file and used it as a plug and sealed it with JB Weld. It held for the the entire 1200 mile journey home, and I had great A/C.
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