Quote:
Originally Posted by jhtanglewood
How hard is it to convert a system back to R12?
When it's over 90° here, my new R134 system struggles unless I'm barreling down the highway for 30+ minutes.
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Everything needs to be flushed (not the compressor though), and new oil installed (mineral or Ester for R12). The compressor needs to be drained well. Of course the fittings need to be for R12, and the drier replaced.