At 7/8/2006 08:15 PM, John Rodgers wrote: >Maggie, > >Do I under stand that you WANT to run R134a in your system?? > >As I understand it, to use Freeze 12, supposedly a near perfect >replacement for Freon R12, the R12 system must first be converted to a >R134a system in the first place, and then and only then can you convert >to Freeze 12 So you actually go from Freon R12 to R134a then to Freeze 12. > >I have not actually seen this, but I suspect that one reason for this >R134a conversion BEFORE using Freeze 12 is that you must use the R134a >fittings for the Freeze 12. I could be way wrong about that, but I >certainly would find out. > >Regards, > >John Rodgers >88 GL Driver All this Freeze 12 talk and the fitting sizes got me interested so I did some checking. Interesting reading. http://www.freeze12.com/ This place has the Freeze 12 fitting sizes listed http://autorefrigerants.com/co00031.htm Here is the only place I have been able to find what sizes r134a requires http://www.everything2.com/index.pl?node_id=1674978 >>Service fittings - These are used to add or remove refrigerant, or diagnose the system with gauges. R-12 uses a screw-type service fitting. R-134a uses a quick-release type. In order for a conversion to be done properly, these fittings must be replaced as R-134a equipment is required to use these quick-disconnect fittings. << Freeze 12 requires (?) screw ons and 134a quick release. If you interested in the 12 to 134a swap here's what the epa says about it http://www.epa.gov/ozone/title6/609/ I had my '87's AC on today, I opened the back windows too <g>.
Rob becida@comcast.net With a '91 Subaru 2.2 in an '87 Vanagon in western Washington. |
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