Re: [CQ] R-134a A/C conversion?

[Darin Nederhoff <quattro@audi-s-cars.com>]

Bob.Sandy@USPTO.GOV wrote:

> Has anyone ever attempted (and/or succeeded) converting their/an Audi
> from R-12 to R134a?
>
> The A/C in my 1991 Coupe Quattro just quit.  The climate control[ler]
> seems to check out o.k. according to the fault diagnosis described in
> the Bentley.  However, the compressor does not turn on.  I suspect the
> system pressure is too low to turn the compressor on.
>
> Before I consider having the present R-12 system corrected, I thought
> I'd ask if there has been any experience(s) and advise from the listers?

Yup!   I have been running R134a in my 1990 Coupe quattro for a couple
months now.  So far no trouble... just nice cold air.  :-)

Darin
'90 CQ20V