What type refrigerant came on our cars? I too want my AC back

[julie at menloparkrandd.com (julie@menloparkrandd.com)]

 I fixed the heater problem (it broke in dash keeping the d**n heat on) and it blew cool. Sooo. I went and bought one of the R134a kits. Viewed the video, got the tools and tried loading it. A really low hiss could be heard after I turned off the engine leak near the radiator. Ohhh well...

>-----Original Message-----
>From: Chuck Blue [mailto:sukchew@cox.net]
>Sent: Thursday, July 13, 2006 08:09 PM
>To: gforbess@attglobal.net, smithma7@gmail.com, neptunonc@yahoo.com, 
>scirocco-l@scirocco.org
>Subject: Re: What type refrigerant came on our cars? I too want my AC back
>
>Okay People.Here's the scoop on refrigerant substitutes for R-12
>Frigc-FR-2 contains 39% of 124 59% 134a and 2% butane
>FreeZone RB-276 19% 142b 79%134a
>R-406a 55% HCFC-22 41% HCF142b
>Autofrost GHG-X4/ 51% HCFC-22 28.5%HCFC124 16.5% HCFC 124b
> These are not well known substitutes for R-12
>Freeze -12 is 20% 142b and 80% 134a People think and use it as a drop in 
>refrigerant but it is not.Special fittings are required.If you have to go to 
>that much trouble to change to a refridgerant that contains 80% R-134 why 
>not go ahead and convert to all R134a.
> I am not a AC man but I do work with AC freon recovery equipment and ask a 
>lot of questions from AC people.I have had people tell me that R134a does 
>not cool as well as R12 but that has not been my experience. I flushed and 
>changed to R134 and I can not tell any diffrence. This was done on a 90 
>Nissan pick up and I have not had any problems with any of the components.I 
>am not advocating this procedure. It was done as a cheap fix and I have been 
>using it for about 4 years with no problems.
> It all may blow up tomorrow but so far so good.It is not a daily driver so 
>that may be a factor.
> There are some other subs but these seem to be the main ones.
>Good luck,
>
>ole blue
>----- Original Message ----- 
>From: <gforbess@attglobal.net>
>To: <smithma7@gmail.com>; <neptunonc@yahoo.com>; <scirocco-l@scirocco.org>
>Sent: Wednesday, July 12, 2006 3:05 PM
>Subject: Re: What type refrigerant came on our cars? I too want my AC back
>
>
>Freeze 12 is what was used to replace the R12 in our Mercedes after some
>a/c work about 3-4 years ago. I've had zero problems and the efficiency
>seems to be even better than the original. No seal replacement or purging
>was required. http://freeze-12.com/
>
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