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Car Forum / Driving, Maintenance, Tuning / General Car Topics / July 2005older air conditioning service
Have a '91 Mercury that needs to have the air conditioning unit recharged. This uses R-12 Freon, & I don't want to convert to the newer R-134a. I'm located in southern Colorado - does anyone know where I can have this done and/or how I can go about obtaining the refrigerant to do this myself without spending a lot? I don't need to know about the alternatives, I've already researched them! Thanks in advance to respondents!! >Have a ’91 Mercury that needs to have the air conditioning unit >recharged. [quoted text clipped - 6 lines] >alternatives, I’ve >already researched them! Thanks in advance to respondents!! I would suggest EC12a also called Envirosafe and a few brand names. It is hydro carbon based and cools better that R12 in a R12 system and it is fully compatable with R12 oil too. People are down on it because it is considered a flamable but none is present in system and when it does burn the by products are harmless unlike R124 which will auto ignite at 495 degrees and give off a very deady gas when it burns on it own or in a open flame. EC12a is not EPA approved (and I think it is more political than anything) but it is not illegal to buy or use and it break down completely in the environment in less than a year when released vs R134 16 year plus time and even then it never goes away 100% EC12a does work. But, look it up...it is a butane/propane based material. No problem until your system leaks. Be aware. >EC12a does work. But, look it up...it is a butane/propane based >material. No problem until your system leaks. Be aware. The fuel in you car is a far bigger threat than 20oz of hydro carbon based refridgerant. The danger of using it is greatly over rated because you have a far greater chance of a fuel leak and ec12 would disapate rapidly in open air where gas vapors tend to pool if given the chance too.
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