[s-cars] AC compressor shuts off at 42 degrees F

[Stott Hare]

Temp range sounds accurate, don't recall if it was 42 or 38 or something else, but know the compressor will no longer come on below a certain ambient.

What I would check is the return spring connected to the center of the recirc door/flap.  When that spring is missing, the flap door isn't returned to the proper position and fogging ensues.  Replacing it in my old 200 or S6A cured it for me.

-Stott

-----Original Message-----
From: S-CAR-List [mailto:s-car-list-bounces at audifans.com] On Behalf Of Tom Rodriguez
Sent: Thursday, November 9, 2017 12:31 PM
To: s-car-list at audifans.com
Subject: [s-cars] AC compressor shuts off at 42 degrees F

The AC compressor on my S6 shuts off at ambient air temperatures below 42 degrees F.  This causes the windows to fog up, particularly if it's raining out.  Cranking up the heat on the defroster only makes it worse since the hot air is humid and the windows are cold.

 

Any DIY suggestions to fix this?  And what is the minimum temperature supposed to be for the AC compressor to remain engaged?  I'm going to ask the Audi shop to fix this if I can't do it myself, but looking to save some $$.

 

Tom Rodriguez

'95 S6, 281K miles

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