Hydraulic Pump Question

[Max Hoepli]

I had my pump replaced.



-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
Behalf Of Marc Boucher
Sent: Tuesday, October 11, 2011 01:05
To: quattro at audifans.com
Subject: Hydraulic Pump Question

The hydraulic pump on my 1990 Audi 100 has developed a worsening leak.  It
went from requiring topping up occasionally to its current state where it
will go from the max to the min within 200 miles.

There does not appear to be any leak in any of the hoses, the reservoir, or
the steering rack.  The leak appears to be isolated to one point in the
pump:  A ring of metal about the size of a quarter that sits on the outside
of the pump.  There are bubbles of the green hydraulic fluid coming from the
space between the metal ring and the body of the pump.  

There are at least 2-3 of those metal rings.  They have groves perpendicular
to each other almost as though they could be pulled or tightened by a large
Phillips screwdriver.

Are there any simple options for fixing this, or does it generally require
replacement of the pump.

Thanks,

MC
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