[s-cars] A/C shutting down
mclaire_us at yahoo.com
Fri Jul 23 18:50:09 EDT 2004
Thanks Tom and other listers who replied. In a
perverse way I guess this is good news - nothing to
fix! But it still surprises me that a car can be
designed without sufficient cooling to survive in even
110 deg temps without having to resort to shutting
One more question about these A/C systems. The
compressor is LOUD. A constant groan kind of like a
dry power steering unit. Is this normal too? I guess
I hope it is...
--- TOM GREEN <trgreen at comcast.net> wrote:
> > Date: Thu, 22 Jul 2004 21:10:49 -0700 (PDT)
> > From: Mike Claire <mclaire_us at yahoo.com>
> > Subject: [s-cars] A/C shutting down
> > To: s-car-list at audifans.com
> > Message-ID:
> <20040723041049.14590.qmail at web40405.mail.yahoo.com>
> > Content-Type: text/plain; charset=us-ascii
> > I just took my new '93 S4 for a shakedown run to
> > and back (250 miles each way). It was over 90
> > and I got caught in 1 1/2 hrs of crawling traffic.
> > The gauges indicated the car was running hotter
> > I'd seen it to date. But it didn't look like it
> > overheating. Then the A/C shutdown - I heard the
> > compressor shut off. I pushed the button to start
> > again - couldn't get it to hold. It seemed like
> > computer was telling it not to run, so I shut the
> > ignition off and re-started the car - A/C worked!
> > about 5 minutes and then it shut down again. This
> > kept happening for 1/2 hr when the traffic opened
> > and the car cooled down a little. A/C was fine
> > the next 4 hours until I got home.
> > Is this a programmed safety override to keep the
> > from overheating? It's not as if it was 130
> > out. I can't believe it would be designed to do
> > in 95 degree heat - what's the problem?
> > Thanks
> > Mike
> You have correctly diagnosed the operation of the
> a/c system. Great,
> ain't it ? Did the electric fan run at high speed
> before the shutdown
> ? Just keep the condenser clean and every thing in
> top condition and
> try to stay away from the stopped traffic.
> Tom '95 S6
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