RE: Converting r12 to r134a

[Joe Elliott <jee@xxxxxxxxxxxxxx>]

As far as extracting the remaining R12 goes, you may not have to. 
Don't quote me on this (by which I mean verify this before you try 
it), but I believe that it's perfectly okay to mix hydrocarbon 
refrigerants with R12, so if you wanted to you could just add the 
ES-12a to the existing R12 in your system.  Of course, that would be 
illegal, since ES-12a is only approved for use on cars that have 
already been "converted" to R-134a. Haha.

-Joe


At 4:39 AM +0000 6/30/03, alfa-digest wrote:

> Date: Sun, 29 Jun 2003 18:56:54 -0400
> From: "Mike Baker" <mbbaker@domain.elided>
> Subject: RE: Converting r12 to r134a
>
> I am in the process of doing this right now with the exception of using an
> R12 replacement instead of R134.  This is a hydro-carbon replacement from
> this web site;  http://www.autocool-refrigerants.com/
>
> I placed the order a couple of days ago for the 1 car recharge kit with leak
> detection.  I also ordered the high and low side R134 adapters.  This is
> supposed to be more efficient than R134 so I shouldn't loose any cooling at
> the vents and maybe actually get better cooling.  I have friend with an AC
> shop that can pull out all the old R12.
>
> After I get everything recharged, I will write a report on my findings.
> Hopefully it will only take a few days for the stuff to arrive.
>
> Mike
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