[s-cars] hissing

[kristy]

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I have a 1994 S4, I hear a hissing noise (hydrolic fluid) coming from the s=
teering collum right next to the servotronic valve.  The hissing stops when=
 I turn the wheel a little or alot either left or right.  I have disconted =
the servotronic valve and the steering assisst is decreased, so I know the =
servotronic valve works, but the hissing continues, even with serv- disconn=
etcted.  I had the dealer look at it and he said some make the noise and so=
me dont.  I had him replace the o-rings in the servotronic valve but no luc=
k=2E I know the hissing is the loadest coming from the inlet to the steerin=
g system, but can not figure out what is going on.
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