No subject

Did you have
the radiator shroud panel in place?   Without this in place the rad fan wont
do a good job
cooling the condensor which in turn means the evap wont cool real well.  I
would take the
car for a spin with a temp gauge in the vents.

Cheers
--
Peter Golledge.

89 200TQA (R134A converted... cool)
89 Saab 900i (R134A converted friggin freezing with no Cimate control)
79 930 Porsche (R12 waiting on a conversion)
87 LT1Q (No room for Aircon with the V8 motor in a 5K!)

----- Original Message -----
From: "Konstantin Bogach" <kbogach at comcast.net>
To: "Eric" <eric-audi.ql at mindspring.com>
Cc: <quattro at audifans.com>
Sent: Saturday, June 28, 2003 8:55 PM
Subject: Re: how AC clutch cycles? AC thermostat checking?


> The only misbehaviour, as I suspected, was "no cycling" after 10 min of
> running.  When compressor is on low pressure is 30-32 psi, high pressure
is
> around 200psi.  The only numbers for low pressure I saw was great Peter's
> Golledge post about conversion procedure.  It states 30-35 psi is a norm.
I
> got there right after third can of R-134A.
>
> Konstantin.
>
> Eric wrote:
>
> > As far as how much charge weight of refrigerant is more important than
> > pressure.  Recommendations I have heard put the charge of R134a at
> > around 80% of an R12 charge by weight.
> >
> > I have never put my manifold on my Audi (still works great with R12) as
> > I don't want to mess with a good thing.  I have seen the numbers for my
> > Suburban when I converted it.  Its low side pressure cycles between
> > about 55-60 psi when off down to 25 psi when the compressor cycles off.
> >
> > Have you had guages on it when it misbehaves to see if something is
> > changing before it happens?
> >
> > -Eric
> >
> > Konstantin Bogach wrote:
> >
> > >Hi.
> > >I just finished AC conversion.  The leak I reported 2 days ago was
> > >probably due to not tight connection at manifold and not tight low side
> > >shreder valve.  I took 3 cans of R-134A with low side pressure at 30psi
> > >and refused to take more when I tried to  raise it to 35psi.
> > >
> > >Now the problem (may be not):  after 10 min working at 90F outside
> > >clutch does not cycle.  Does it look normal?
> > >
> > >I removed thermostat, hooked up DMM  and it shows 1.3 Ohm.  Shouldn't
it
> > >be short (0 Ohm)?
> > >
> > >Thanks.
> > >Konstantin.
> > >200tqa '89  (now with cool air!!!)
> > >200tq '89  (will have cool air soon)
> > >S4 '93  (did not nose anywhere yet, and air is cool.  Wierd!)
> > >
> > >
> > >
> > >
>