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Just remember that a reverse conversion is a MAJOR job and not really a DIY unless you're experienced in AC work. The compressor must come off and you need proper flushing equipment to get all the old oil out - no, you can't just shoot brake cleaner through and blow dry with compressed air, unless you want the system to fail again in a couple of years. I suspect a lot of shops won't do it right either because it's so labor intensive. If you get quotes from various shops for the job, request a detailed explanation of EXACTLY what they are going to do for the money. Walk away from any place that is cutting corners, no matter what they say to convice it "it'll be fine, buddy!" :p
A simpler alternative (which I know Larry doesn't support) is to use an R-134a alternative, like Duracool or Autofrost GHG-X8. These will work with your existing PAG oil and perform much better than R-134a (but not quite as good as R-12). Might be worth a try before ripping things apart for a reverse conversion. Just make sure the system is VERY CLEARLY LABELED in multiple places that it has a non-standard refrigerant installed! And you are REQUIRED to install the refrigerant-specific adapter fittings to avoid accidental recovery contamination, as Larry mentioned above.
Good luck,
Last edited by gsxr; 08-15-2003 at 03:04 PM.
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