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From milliet_at_mail.telapex.com Wed Apr 22 13:35:05 1998
From: "Ron Milliet" <milliet_at_telapex.com>
To: <dale_at_unofficialbmw.com>
Subject: <E30> Power Steering Maintenance
Date: Wed, 22 Apr 1998 08:34:25 -0500
Ron Browne and others...there is a point when it MUST be changed. For me
it was about 130k miles on my 87 E30. My PS pump started moaning and
groaning resulting in increasingly resistant steering. No leaks...nothing
wrong with my rack, pump or anything major like that. Just some seriously
foul smelling, ROTTEN, completely SPENT liquid that used to be ATF. No
doubt the ORIGINAL stuff put in over in Germany 10 YEARS ago. THE PROBLEM:
BMW did not consider this, Bentley does not address it, thus there is no
easy way to do it. THE ANSWER:
- Remove the PS fluid reservoir and cleaned w/mineral
spirits and paint brush
- Flush out the mesh screen on the return fluid port
of the res w/min spirits
(this screen was the source of my noise, it was very
restricted before cleaning)
- Flush the system with new ATF by leaving the return hose
off the res and into a waste bucket, install the clean res with
the return port plugged, and the supply hose connected to
the res, fill the res, have someone crank the car and turn
the wheel, as the fluid is sucked out of the res by the pump,
keep adding fresh fluid until clean fluid starts dumping in
the waste bucket
- Connect the return hose, top-off with fluid, crank the car,
turn the wheel from side-to-side to bleed system, check for leaks
This COMPLETELY cured my problem.
Ron Milliet
87 325is
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