A6 / S6 (C5 Platform) Discussion Discussion forum for the C5 Audi A6 and S6 produced from 1998-2004

Strange sound from steering

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Old Apr 25, 2006 | 10:14 PM
  #1  
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Default Strange sound from steering

My '03 2.7T makes a funny whine from under the hood when the wheel is turned full lock to the left or right. It sounds like someone whistling through their teeth (that's the best I can describe it!), and it only happens when the wheel is turned all the way left or right. I've had it for quite awhile now, it just dawned on me that it probably should not be making that sound. A friend says he thinks it might be a belt rubbing. Anyone had a similar problem?
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Old Apr 25, 2006 | 10:51 PM
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check your power steering fluid
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Old Apr 26, 2006 | 03:02 AM
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You should avoid holding the wheel at full lock. It accelerates the demise of the rack.
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Old Apr 26, 2006 | 03:57 AM
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Make sure the serpentine belt is tight. You might consider flushing the fluid (easy job).
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Old Apr 26, 2006 | 04:18 AM
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Default Same thing from my '01... Two dealers said it was "normal", I still don't quite believe them.

I'd be curious to know as well.
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Old Apr 26, 2006 | 04:27 AM
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Almost all cars make some noise from the power steering pump at the stops.
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Old Apr 26, 2006 | 04:30 AM
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Default DO NOT TOP OFF WITH STANDARD POWER STEERING FLUID

If you are low on PS fluid, make sure you use an approved fluid. Audi uses Pentosin, but you can find an alternative at a local Audi/VW shop or foreign auto parts store.
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Old Apr 26, 2006 | 05:22 AM
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you can get the proper hydraulic fluid from any VW or Audi dealer
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Old Apr 26, 2006 | 05:36 AM
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2nd that! NEVER EVER hold the wheel against the stops! Blows the HP rod seal.
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Old Apr 26, 2006 | 06:01 AM
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3rd. That is a normal (but bad) sound. Avoid full lock.
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