[s-cars] A/C problems

[Fred Munro]

In addition to Dave's suggestions, check that the electric rad fan runs when
you turn on the A/C. If the fan isn't running (bad relay, burnt connector,
bad fan pack, etc.), you won't have enough airflow through the condenser at
low speed and the A/C will kick out on high pressure.

Fred Munro
'97 S6


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of djdawson2 at aol.com
Sent: July 21, 2008 5:50 PM
To: chewy4000 at gmail.com; s-car-list at audifans.com
Subject: Re: [s-cars] A/C problems


Your explanation isn't entirely clear to me,? but it sounds like while you
are at speed, everything is fine.? While you're not moving, or?moving slow,
the compressor is on and off, and performance is poor.

If this is the case, I would suspect that you are tripping the high pressure
switch.? Pressure becomes excessive when there is not enough air moving past
the condenser at the front of the car.? Poor airflow means high pressure...
which means shut-down.? The most obvious suspects are bent fins, major bug
clogging of fins, or a bad fan clutch.

It is also possible that your system is overcharged.

Dave


-----Original Message-----
From: Chewy <chewy4000 at gmail.com>
To: s-car-list at audifans.com
Sent: Mon, 21 Jul 2008 2:01 pm
Subject: [s-cars] A/C problems



This year its getting bad.

My 95 S6 compressor shuts down for a min or so when temp is around 80+
and maybe sun is out.
I check head codes and all I get is steady center flap code meaning
nothing I think.
I have changed multifunction sensor and even toped off freon.
If I'm moving over some 30mph or so ac works great if im in traffic
just rolling ac is on and off useless

Any I deal would help
thnx in advance
Chewy
95 S6
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