I own a 1993 Cobra Monterrey 30. I purchased it a little more than a month ago. For the first couple weeks. There appeared to be no issues with the Dash A/C. While on a trip last week, I noticed t...
You should find the leak and have it fixed before you spend too much time wasting effort on something that will not fix itself without finding what's causing the leak. There are some refrigerants that have a dye in them to help locate the leak. If the leak is at the compressor seal (most likely if the rig was left sitting with no use for a significant time), then the easiest fix is to replace the compressor with new or rebuilt.
If not the compressor keep looking for the dye then go from there.