[s-cars] AC question... R12, how much and versus R13

[Sean Douglas]

AFAIK, the new "stuff" is R134A and is not compatible with R12 systems.
The R134A will leak past the seals and it is not as efficient as the R12
and may require either a new evaporator or condensor. Converting to
R134A is not a simple job and can get expensive.

Did you replace the compressor yourself? If so, did you drain the
system? The proper way is to remove all traces of R12 from the system,
test for leaks, fix leaks then add the specific amount of R12. If you
did not do this, you have no way of knowing how much to add and you
could overcharge the system.

This is not really a DIY job unless you have the equipment, but if you a
DIY kinda guy, R12 is available on ebay for $30/lb last time I checked.

Sean

Sean Douglas
1997 Audi S6 - MTM Stage 1+
1990 Audi 90Q20V


> -----Original Message-----
> From: s-car-list-bounces at audifans.com 
> [mailto:s-car-list-bounces at audifans.com] On Behalf Of 
> thomas.pollock at amd.com
> Sent: Thursday, February 26, 2004 10:16 AM
> To: s-car-list at audifans.com
> Subject: [s-cars] AC question... R12, how much and versus R13
> 
> 
> Hi people.
> 
> Hey I'm finally getting my for sale car back together after 
> my little misshap with the metal door. Doh....  Anywho, I had 
> recently replaced the AC compressor on that car and it 
> definitely needs a refill.  I've got two questions. First one 
> is, how much "stuff" do our systems hold ? Second question 
> is, the old "stuff" (R12) is VERY expensive, IF you can find 
> it, and now I'm being told there's nothing wrong with just 
> throwing the new stuff (Rwhatever) in. I've been told it 
> won't be as cold but it's ok on the seals etc contrary to 
> what I had always thought.  Whats the deal ?
> 
> Anyone simply refill with the new stuff ?
> 
> as always, thanks.
> 
> tom.
> 
> 
> 
> 
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