[Biturbos4] B5 S4 steering noise

[Brandon Rogers]

Funny - mine started making this exact sound too about 2 weeks ago!  Kinda of a rubbery squeak. 

Sent from my iPhone

On Mar 20, 2014, at 4:45 AM, "Ti Kan" <ti at amb.org> wrote:

> Hi everyone,
> 
> Patient: 2001.5 Audi S4 biturbo, 135K mi.
> 
> Symptom: Turning the steering wheel clockwise produces a groan/squeal
> noise, it sounds like something needs lubrication.  No noise when
> turning counter-clockwise.
> 
> This video shows the problem:
> https://www.youtube.com/watch?v=LwDh4ddz7Pk
> 
> Ignore the clicking noise in the video, it's just me trying to turn
> the wheel and hold the camera at the same time.
> 
> The noise occurs with and without the engine running, and with the car
> moving or stopped.  It isn't very loud, despite seeming that way in
> the video (the camera mic is very sensitive).  Music from the stereo
> or road noise at >25mph will mask it.
> 
> I first suspected the clockspring, but after removing the airbag and
> steering wheel, turning the clockspring by hand was smooth and noise-free.
> I reinstalled the steering wheel and airbag.
> 
> What else should I look at?  I know there is a U-joint at the
> bottom of the column near where it connects to the steering rack,
> could that U-joint need lubing?  Looks like it would require
> a contortionist to work there...  Could the steering rack itself
> be the problem?
> 
> -Ti
> 
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