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- ZEPHYRHILLS FL
For those that haven't seen, Dorman has 2 great products to deal with the plague that is the GM high side connector on many of their r134 equipped systems(as well as some Chrysler and Ford's). As pretty much anybody with a vehicle equipped with these devil made items knows, it's a rubber stopper inside of an aluminum housing that seals off the high side charge port, and they can leak for ANY reason. Dorman a few years ago came out with a replacement port that used a standard schrader valve inside, but you still had to evac the system to replace it. Well now they came out with a brass plug that threads inside the port and seals it off with a tapered seat so you can plug a leaking valve without evacing the system. The replacement port is Dorman 800-955 and the plug is 902-025. I got both pieces from O'Reillys, but most any large parts seller can order Dorman.