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Power steering fluid vs. ATF



Chris at Force 5 is a reasonably priced source for
Pentosin.

John

http://www.force5auto.com/

 

---- Original message ----

  Date: Wed, 18 Jul 2007 13:37:13 -0500
  From: "Janzen, Lawrence" <lwjanzen@xxxxxxxxxxx>
  Subject: RE: Power steering fluid vs. ATF
  To: "David Utley" <fahrvergnugen@xxxxxxx>,
  <scirocco-l@xxxxxxxxxxxx>

  >Well, all politics aside... David was the only
  person to response to my
  >question. Spewey's comments forced me to do some
  research. Here are my
  >findings I thought I would share as a newbie. You
  may all know this
  >information, but I thought I would pass it on,
  because no one else
  >shared this information.
  >
  >ETKA says to use the G 002 000 fluid. Pentosin is
  the manufacturer for
  >the factory fluid part number G 002 000. Pentosin
  makes two versions
  >of this fluid. A quick look at the Pentosin CHF
  7.1 container (white
  >coloured metal container with green cap) for
  early model vehicles (89 or
  >older), and at the Pentosin CHF 11S, (green
  coloured metal container
  >with red cap) for late model vehicles. Pentosin
  provided the following
  >information.
  >
  >Pentosin CHF 7.1
  >Hydraulic system mineral oil for level control
  systems, hydro pneumatic
  >suspension, shock absorber, power steering. Range
  of operation, -40C to
  >+100C, especially recommended for countries of
  cold climate. Close
  >container after use. Very Important: Pentosin CHF
  7.1 should not be
  >mixed with Pentosin CHF 11S or any other
  hydraulic oil BMW Teile Nr: 81
  >22 9 407 549 Green Color fluid
  >
  >Pentosin CHF 11S
  >Synthetic Oil for central hydraulic systems,
  level control, hydro
  >pneumatic suspension, shock absorber, power
  steering. Range of
  >operation: -40C to +130C, especially recommended
  for countries of cold
  >climate. Close container after use. Very
  Important: Pentosin CHF 11S
  >should not be mixed with Pentosin CHF 7.1 or any
  other hydraulic oil.
  >BMW Teile Nr: 81 22 9 407 758 USA BMW Teile Nr:
  82 11 1 468 041 Porsche
  >Teilenummer: 000.043.203.33 Olive Color fluid
  (Olive color, is defined
  >as "yellow green")
  >
  >I found article after article of people who have
  tried ATF or power
  >steering fluid and IT DOES NOT WORK. Everyone
  always pointed back to
  >the G 002 000 fluid. Some VW authorities suggest
  you don't change your
  >hydraulic fluid. This is not logical. The
  hydraulic steering pump is
  >just one of the components having many moving
  parts. Internal components
  >inside the pump and steering rack and pinion wear
  and mesh with one
  >another and create finite metallic particles
  which contaminate the
  >hydraulic fluid. It seems only logical to perform
  hydraulic fluid
  >service as a part of your preventive maintenance
  schedule and change the
  >hydraulic fluid. It was recommended to change
  your hydraulic fluid as a
  >first step in trying to solve hydraulic related
  problems such as a noisy
  >steering pump or intermitted loss of power
  assisted steering. The
  >hydraulic fluid system should be flushed at your
  timing belt intervals.
  >Vehicles operating in hot climates or that are
  subjected to driving in
  >heavy city traffic should have their hydraulic
  fluid changed every
  >30,000 miles. It's good preventive maintenance,
  inexpensive and logical
  >for you to change your hydraulic fluid. It is
  much cheaper than
  >replacing a steering pump or steering rack and
  pinion.
  >
  >As for links for this information...
  >
  >http://www.blauparts.com/vw/vw_fluid/vw_hydraulic_fluid.shtml
  >
  >http://www.sjmautotechnik.com/trouble_shooting/susp.html
  >
  >http://www.20v.org/pentosin.htm
  >
  >Sorry for the long response to my own question. I
  am planning on using
  >Pentosin CHF 7.1 in my power steering in my '87
  Scirocco 16V...unless
  >someone tells me different.
  >
  >
  >Larry
  >'87 Scirocco 16V
  >
  >
  >
  >-----Original Message-----
  >From: David Utley [mailto:fahrvergnugen@xxxxxxx]
  >Sent: Tuesday, July 10, 2007 6:16 PM
  >To: Janzen, Lawrence; scirocco-l@xxxxxxxxxxxx
  >Subject: RE: Power steering fluid vs. ATF
  >
  >IIRC, those cars call for Dexron ATF is what you
  were supposed to use,
  >but looking at ETKA says to use the G 002 000
  fluid, the shizzle that
  >Audi 5Ks use in their hydraulics. Perhaps this is
  why every PS VW I
  >have driven has been non-funtional?
  >
  >I would go with the special fluid (made by
  Pentosin), but I would also
  >flush the system first.
  >
  >G/L
  >
  >David
  >
  >-----Original Message-----
  >From: Janzen, Lawrence
  [mailto:lwjanzen@xxxxxxxxxxx]
  >Sent: Tuesday, July 10, 2007 10:56 AM
  >To: scirocco-l@xxxxxxxxxxxx
  >Subject: Power steering fluid vs. ATF
  >
  >Well after ten years, my '87 Scirocco is back on
  the road!! Oh... What
  >a feeling! :) My wife said I was like a little
  kid on Christmas
  >morning!! Anyway, I have changed all the fluids
  except for the power
  >steering fluid. The RB manual recommends Dexron
  or Dexron II ATF fluid.
  >
  >My question is...what is the difference between
  ATF and power steering
  >fluid? I am planning on putting in new Dexron III
  ATF unless someone
  >recommends something better.
  >
  >Thanks,
  >Larry
  >'87 Scirocco 16V
  >
  >
  >
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