So it took a couple of weekends but i finally got my entire system flushed, new expansion valve, new compressor, new belt, new drier, new a/c fridge temp switch, new a/c pressure switch, new seals everywhere. I finally got it all hooked up to the vacuum machine and did a test today. I pulled vacuum for an hour and then closed the valves on the gauges for an hr to see what the results were. Here they are





The low pressure side (blue) looks completely fine after the 2 hour test, but the high pressure (red) it is tough to tell. I checked the seals at the compressor and they seem very tight... the next question is... where else could it go wrong. The schraeder valve on the high side looks worn but it looks like it will be a b**** to change that out. Maybe that is somewhat normal for the high side but i wanted to see what other peoples opinions' were before i started to add the stop leak and refrigerant into the system.

car is an '82 240d.

Thanks all!