Quote:
Originally Posted by mannys9130
You can buy a can of pressurized flushing liquid. Undo all the fittings you can, flush the lines out really well with the can, and let the lines dry a little bit. Replace the O-rings and seals that you disturbed, and lubricate them with either refrigerant oil that you've chosen, or Nylog. Once you have the lines and coils flushed and the system is clean and empty, you can add the correct amount of oil without having to guess how much is left in the lines.
Your system has been converted to R-134a, correct? If so, you would need to use ester oil or PAG oil. Ester is preferred in systems that were converted from R12. It is miscible with small amounts of mineral oil that may be left. It's soluable in both R12 and R-134a.
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Manny, thank you so very much for the help!
So, what do I do now that I have the new drier installed? Leave the switch in, use the caps to seal the new drier, use the bolt provided to plug the switch port on the old drier, temporarily install, flush, then go back?
So can get R134a without oil?