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A couple of comments:
R12 doesn't burn. Yes, unlike hydrocarbon-based refrigerants (my friend calls these "rocket fuel"), but when exposed to an open flame, R12 (dichlorodifluoromethane) creates phosgene gas which can kill you if you happen to be so lucky as to do this in an enclosed area. Death is not cool.
Dye-Leak detectors. Not necessary. The A/C shop should have a refrigerant "sniffer" to locate system leaks. Dyes take up room in the system that should only have a measured amount of lube oil and refrigerant; no more, no less for optimum efficiency. Who knows how much dye is in a system over the years?
Hope this helps,
Sherwood
(sorry, fixed some spelling)
Last edited by 911pcars; 05-17-2005 at 01:57 PM..
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