Re Pentosin flush.

Wed Apr 16 16:39:57 EDT 2003

[ Picked text/plain from multipart/alternative ]
Remember there are restrictor screens in the various banjo bolts that won't
come clean with a resevoir screen service.  FYI II, in order to claim
warrantee on a ZF reman steering rack, the install receipt must contain a
complete flush of the PS system, a screen clean only comes up warrantee
voided, btst.

I encourage folks to do routine PS flushes with any rack associated service,
from hoses to rack itself.  The banjo bolts with screens can be cleaned with
compressed air and reinstalled.  IME, the resevoir screen isn't where the
crud failures occur, it's usually obstructed screens in the banjo bolts.

I wouldn't use any cleanser or solvent in the PS system either, it breaks
down the pentosin if not thoroughly dried/purged.  Cleaning and purging
should be done with fresh pentosin and compressed air.


Scott Justusson
QSHIPQ performance Tuning

In a message dated 4/16/2003 1:56:38 PM Central Daylight Time,
b.benz at writes:

I wouldn't bother flushing, unless I had to overhaul rack or pump, and then
just top off.  It is a good idea to clean the filter screen every 100K or


>From: "Mike Del Tergo" <mdeltergo at>
>Date: Wed, 16 Apr 2003 17:20:38 +0000
>To: b.benz at
>Subject: Re Pentosin flush.
>I only loooked at the resevoir because last night I moved the car and saw a
>"puddle"  In the dusk I could not tell the color but it was oily.  Got a
>white rag and the stuff was "greenish".  Fired the car up, no visible leaks,
>cranked the steering, still nothing.  Looked inside and yuck.  I'll have to
>figure the best way to get it out.  Your "flush" ideas?

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