25+ years of banned R12 and still think shops will to work on 30+ year old car? Sorry but Nearly No shop will do R134 conversions.
Takes too much time to fix everything that leaks and systems very likely find another weak part to fail after the job is done and owners will want a free repair a few days to weeks later. Plus some compressors aren't made to take R134 so need replacement too even if it works and doesn't have leaks.
Many say stay w/ R12 but Most won't even touch R12 systems because many sold/junk R12 recovery machines etc. because not much business case to keep and store this crap.
Most newer shops never had R12 "tools" for same reason.
Plus Many are getting or planing for R1234yf and won't have space to have 3 separate "tool" sets. You can't use same recovery set because Illegal to mix R types to start with.
That's ignoring many fools put crap sealers and other things in an old system that can wreck their "tools" too.
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Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)
The Ogre's Fiero Cave
