Compressor Seized, go to R134a or keep R12? - PeachParts Mercedes-Benz Forum

brewtoo · #1 06-12-2007, 01:12 PM

Quote:

Originally Posted by dpetryk

The system has to have all the original mineral based oils removed as you never want to mix PAG and mineral oils together. A good solvent flush is required to be sure that all the mineral oil has been removed.

Is it really possible to remove ALL the mineral oil? Seems like some would surely stay in some nook or cranny somewhere.

jhodg5ck · #2 06-12-2007, 04:29 PM

Quote:

Originally Posted by brewtoo

Is it really possible to remove ALL the mineral oil? Seems like some would surely stay in some nook or cranny somewhere.

There in lies the trick...it's nearly impossible to get All the old oil out.. To do the best possible job one must remove the expansion valve to get a proper flush.

Jonathan