pentosin substitutes revisited - verrrrrry interesting

[Brett Dikeman]

At 12:12 AM -0400 10/1/02, George Nimmer wrote:

>How could a mineral base fluid and a synthetic base fluid both be
>equivalent to G00200?  The Febi stuff is about $3/L less expensive than
>the Pentosin.  Both are made in Germany.  Is it safe to have a mix of
>the two in your system?  I assume not since they are of differing
>composition?  The Febi stuff is very close to clear, just slightly
>yellow.  What does the Pentosin CHF 11.S look like?  Any way to tell
>which one is already in a given hydraulic system?

The synthetic stuff is green.  Either is safe for use in older cars,
pre 1990 or thereabouts.  Post 1990 cars are probably best off with
synthetic.  Audi generally recommends against mixing them, I believe-
but the car certainly won't keel over if you do by accident(unlike
ATF.)

The synthetic simply has longer life, reduces breakdown, and has
extended temperature ranges.

This comes up on a regular basis- probably one of the most common
questions asked about the older cars.

Brett
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