Finally had an opportunity to re-measure my psi.

System off: Low 25psi, High 40psi
System running: Lop 0 psi, High 60 psi.

I am guessing that means I am low on refrigerant and that the compressor is working. Also, I am guessing, that since I re-built the system last year with all new parts and filled the system, that I have a leak somewhere and that will need to be addressed.

Please confirm, clear-up and/or advise.

Thanks
Doug

Did you see post number two ?

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1980 240d ,

chain elongation, cam marks reference:
http://www.peachparts.com/shopforum/showthread.php?threadid=10414

http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html

evap fin cleaning:

http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator

A/C thread

http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html