Hi Guys,
I've been following the AC threads carefully and I still have a few question regarding my retrofit (R12 to R-134a). I am planning on removing my compressor and adding PAG oil, turning the compressor several times to flush out the oil mineral oil. Now for my silly question. Should I add the new oil directly to the compressor or should I install the compressor and then pull a vacuum first? If I add oil and then pull a vacuum, will not the vacuum suck up the oil? I see that they sell oil cans with the threaded tops for using the hose fittings to add the oil into the system. Is it better to pull a vacuum first and then add the oil to the system using the hoses? Should this be added on the low pressure side? Should I use the entire 8oz of oil? Thanks, I know that was alot of question.

Rene