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>Date: Mon, 23 Nov 1998 13:59:09 EST
>I just bought a 91 200Q and need to add some pentosin to the HD system. But I
>do not know which pentosin (11s or 7.1) it has in it. Is there anyway to tell
>which is in there?
I don't know of a simple way to tell whether Pentosin 7.1 or 11S is in the
system. However, the consensus here (qlist and 200q20Vlist) seems to be
that Pentosin 11S is what *ought* to have been in the system, so why not go
ahead and use it? If the system has been "contaminated" by Pentosin 7.1
then it's not likely you'll do more harm by topping up with the 11S now.
Even though the Pentosin 11S label says not to mix the two kinds, it's
clear that Audi has no problem with permitting 11S to be added to systems
that initially were filled with 7.1.
In your situation, I'd use 11S. As a matter of fact, I'm in your situation
right now and that's what I'm doing.
Phil Rose Rochester, NY
'89 100 (For Sale, 111K, automatic)
'91 200q mailto:email@example.com