Quote:
Originally Posted by porschedude
I would put half a can of R134 and see if AC cools down. If AC blows warm again in a week, then you have a leak. You only need to deplete the system and vacuum if there is a leak and you need to repair the leak. It is not a good idea to merely release the R134 to the atmosphere. If you have not charged the AC system in 4-5 years, then you are probably a little low on R134 and that is quite normal. You can purchase a can of R134 anywhere without a license but not for R12.
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Hi,
If he needs to add refrigerant, then he has a leak. Also, adding only refrigerant does not ensure a proper level of compressor Oil and this will cause premature compressor failure.
You can buy R134a, but according to Federal EPA Law, it's still unlawful to service the system w/o certification or a Recovery Machine - a Catch-22, I agree, but there it is...
Happy Motoring!... Jim'99