[s-cars] Climate Control - Damn the Snowflake

[Fred Munro]

Yup, I'll back Dave's explanation. I've noticed the same thing myself. Start up the car after it sat outside on a stinkin' hot day, AC engages, then snowflake goes out and AC disengages before the car is out of the parking lot. Get out on the street and get some airflow through the condenser, snowflake comes on and all is fine. Only happens occasionally on very hot days.

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: June 20, 2007 5:27 PM
To: rit_bellis at hotmail.com; manuelsanchez at starpower.net;
s-car-list at audifans.com
Subject: Re: [s-cars] Climate Control - Damn the Snowflake


Again... higher temps equal higher pressures.  If your A/C is cutting out only at higher outside temps, my bet is that you're not pushing enough air accross the condensor.  This could be for several reasons... fan clutch... electric fan... or a condensor plugged with debris.


-----Original Message-----
From: Rit Bellis <rit_bellis at hotmail.com>
To: djdawson2 at aol.com; manuelsanchez at starpower.net; s-car-list at audifans.com
Sent: Wed, 20 Jun 2007 2:19 pm
Subject: RE: [s-cars] Climate Control - Damn the Snowflake



I too am interested in the answer to the snowflake question.  My 93 s4 quit
ooling when it hit 84 degrees or higher all last summer. Then, the car
elf-healed over the winter.  (only change being a missing belly pan.) this
ummer (audi gods and thor permitting) the snowfake has kept right on
orking as the temps hit 95 degrees and higher.  I have long suspected the
per limit temp sensor, but is there another possible culprit?  Thanks!
-----Original Message-----
rom: s-car-list-bounces at audifans.com
mailto:s-car-list-bounces at audifans.com] On Behalf Of djdawson2 at aol.com
ent: Wednesday, June 20, 2007 12:59 PM
o: manuelsanchez at starpower.net; s-car-list at audifans.com
ubject: Re: [s-cars] Climate Control - Damn the Snowflake

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

----Original Message-----
rom: manuelsanchez at starpower.net
o: s-car-list at audifans.com
ent: Wed, 20 Jun 2007 12:47 pm
ubject: [s-cars] Climate Control - Damn the Snowflake

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