[s-cars] Climate Control - Damn the Snowflake

[Eric Renneisen]

Some of the compressors have a speed sensor on them.  The control unit
compares this to engine rpm, presumably to shut things down if your belt
is slipping.  Mine was giving this as the reason for compressor shutdown
even though there was no slippage.  I picked up a new sensor and even a
spare compressor, but it healed itself before I could install either.

VAG-COM will tell you why your snowflake abandons you.

Eric R.
'86 urq
'93 urS

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of Rit Bellis
Sent: Wednesday, June 20, 2007 4:20 PM
To: djdawson2 at aol.com; manuelsanchez at starpower.net;
s-car-list at audifans.com
Subject: Re: [s-cars] Climate Control - Damn the Snowflake


I too am interested in the answer to the snowflake question.  My 93 s4
quit cooling when it hit 84 degrees or higher all last summer. Then, the
car self-healed over the winter.  (only change being a missing belly
pan.) this summer (audi gods and thor permitting) the snowfake has kept
right on working as the temps hit 95 degrees and higher.  I have long
suspected the uper limit temp sensor, but is there another possible
culprit?  Thanks!

-----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: Wednesday, June 20, 2007 12:59 PM
To: manuelsanchez at starpower.net; s-car-list at audifans.com
Subject: Re: [s-cars] Climate Control - Damn the Snowflake


High pressure, low pressure, and freezing are three I know off the top
of my head.  If the A/C works fine under less than extreme conditions, I
would wonder if high pressure is the problem.  I would then look into
the fan clutch and electric fan operation... these are what keep high
pressures from developing.


-----Original Message-----
From: manuelsanchez at starpower.net
To: s-car-list at audifans.com
Sent: Wed, 20 Jun 2007 12:47 pm
Subject: [s-cars] Climate Control - Damn the Snowflake



Fellow S-heads,
All this climate control talk has prompted me to ask the following: What
causes the Snowflake to turn off by itself: 1. Low Refrigerant (some
fail safe mode to spare the compressor some unsightly 
eath)
2. Failing Climate Control Head
3. Other
She tho must be obeyed is annoyed with me, as my car seems to suffer
from the 
nowflake and compressor shutting off when it's Africa hot outside. I,
and wifey, thank you. -Manny 5.5 UrS6 Avant (Flakey Snowflake)
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