chirping cabin temp censor

[Kneale Brownson]

The S4 probably follows the path of the Type 44.  That aspirator fan is a
separate part.  Requires removal of the dash cover to replace.  Scott
Mockry has an option:
http://www.sjmautotechnik.com/trouble_shooting/ac.html#aspir

At 12:11 AM 2/21/2005 -0800, Ti Kan wrote:
>Bing writes:
>> Does anyone know how to remedy the annoying chirping sound coming from
>> thecenter of the dash in the vicinity of the radio, which I believe is
>> the cabin temp. censor. Both of my cars do it , A4 is only on left
>> hand cornering and urS4 is all the while when climate control fan
>> motor is running..Could it be an easy fix or a remove and replace
>> item?
>
>The noise is probably from the little aerator fan that draws cabin
>air into the interior temp. sensor.  I don't know about the urS4,
>but on the '01 A4 it's integral to the climate control head.  You
>cannot buy just the fan portion from the dealer (or anywhere else
>as far as I could tell).  My '01 S4 developed a buzzing noise from there
>only a couple of months after I bought it new, the dealer replaced
>the whole control head under warranty and it's been fine since.
>
>-Ti
>-- 
>Ti Kan
>http://www.amb.org/ti
>Vorsprung durch Technik
>
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