All,

What is the best method for replacing the PAG or R134a compatible oil in a Sanden compressor with mineral oil? Only R12 will be used in the system. We are talking about a new, unused compressor on the bench.

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1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors.
2003 S430 - 107K
1983 300SD - Tanoshii - mostly restored ~400K+.
1983 300SD - Good interior. Engine finally tamed ~250K.
Monark Nozzle Install Video - http://tinyurl.com/ptd2tge