RE: A/C compressor seal leak

["Lewis, Gary M" <Gary.Lewis@West.Boeing.com>]

Hi All,
I just changed a car to R-134 with a Delco compressor (I think, 86 5ktq),
and I'll let you all know results.  So far so good, but this seems to be a
time will tell thing.

Gary Lewis 
90 200tqw, Silver and Platinum, 1.8 Bar
SOLD!!!  88 5kcstq 1.8 bar 110km Pearl w/Fuchs, K24 turbo, 2-piece EM 
86 5kcstqw Sapphire and Platinum, stock 
Mergers, Acquisitions, Public Offerings
(818) 586-2469



> Hi Doyt;
> 
>     I seem to recall reading somewhere that only scroll type compressors
> are
> suitable for R-134a conversion (Nippondenso, Zexel). The Audi TSB on
> R-134a
> conversion states only Nippondenso and Zexel compressors are supported.
> They
> do not plan to offer conversion kits for York or Delco compressors. The
> compressor seals have to be changed to a material compatible with R-134a -
> apparently the R-12 seals are not compatible.
> 
> HTH
> 
> Fred Munro
> '91 200q  281k km
> 
> ----- Original Message -----
> From: Doyt W. Echelberger <Doyt@nwonline.net>
> To: <quattro@audifans.com>
> Sent: Wednesday, September 29, 1999 11:46 AM
> Subject: A/C compressor seal leak
> 
> 
> > My 86 4kq has a York compressor and the A/C Technician sez it's front
> seal
> > is leaking R-12 at a rate of 1/2 pound per month. He called this a very
> > small leak and suggested just recharging several times each summer. He
> said
> > the rest of the system was in first class condition and everything
> worked
> > fine. That would cost about $200 per summer for R-12 recharging.
> >
> > When pressed harder, he gave me a list of items that needed replacement
> to
> > return the system to like-new condition. Total cost including labor was
> > $680. He didn't give me any other alternatives. Parts were:Rebuilt
> > York...185,  Clutch......165,   Drier.50,    Fittings.....25,
> > Expansion valve..60,    Labor.....100,    Vent and Recharge...95 (R-12)
> >
> > I'd like to find a way to slow down the compressor seal leak, and
> convert
> > to R-134 to keep the recharging cost down for the next few years. I can
> > afford to recharge with R-134 every year, or even twice a year.And the
> car
> > will probably only be around two or three more years.
> >
> > I have read all the posts from the last year on R-134 conversions, most
> of
> > which dealt with Nippondenso and Zexcel compressors.  I ended up
> wondering
> > if I could change the seals on my own old York compressor and just
> replace
> > the drier/receiver and some fittings. But no one talks about York
> compressors.
> >
> > Or, better yet, I'd just like to add a stop-leak product (as yet
> un-named)
> > and replace the drier/receiver and the fittings and have the technician
> > purge the system and put in R-134 and its special oil. If I can avoid
> > pulling the compressor and working on it, that would be the best
> compromise
> > from my viewpoint.
> >
> > So, I'm asking for ideas on how to stay cool next summer without
> replacing
> > all the A/C parts, 'cause the car doesn't need to last another 13 years.
> >
> > Doyt Echelberger
> > 86 4kq
> >
>