I suspect the main problem with my unit is that it was converted to 134a by a previous party. It is cool but not cold. The previous party did not restore the fan switch on the drier(may not be a new drier). Instead a stud bolt is there. I know it needs at least the right fluid(r-12) and a drier. The compressor works and there is still 134 a in the system so I don't think there is a bad leak. If I pull the compressor I guess I could test that. All the other non moving parts should be fine as long as they are clean and no leaks(vacuum check will verify that). I want to restore the system back as close to spec as possible without spending a mint.

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My Daily : 96 E-300 Diesel with 195,000 miles
Retired: 92 300D 2.5 T 345K miles and for sale
Retired: 95 E320 157K miles and currently parked with blown engine

Both retired cars are for sale as is my w124 shop inventory