Manual Transmission Fluid Review (and what to do before winter)

[larry C leung]

Yup, GL4 in the gearbox, GL5 in the diffs.

LL - NY

On Wed, 14 Nov 2001 17:54:30 -0500 "TM" <t44tq at mindspring.com> writes:
>David,
>I hope I am not spreading misinformation, but my understanding is
>that
>you need to use a GL-4 rated gear oil in your transmission. Did you
>use
>GL-4 Redline MTL or MT-90, or did you use their GL-5 rated gear oil?
>It is my understanding that the synchronizers do not like GL-5 rated
>oils,
>hence the difference in products between 75W90 and MTL/MT-90.
>
>Taka
>
>-----Original Message-----
>From: quattro-admin at audifans.com [mailto:quattro-admin at audifans.com]
>On
>Behalf Of David Miller
>Sent: Wednesday, November 14, 2001 5:39 PM
>To: Quattro List
>Subject: Manual Transmission Fluid Review (and what to do before
>winter)
>
>
>I just replaced the manual transmission oil in my '90 80Q (hadn't
>been
>replaced since god knows when) with Redline Synthetic 75w90.
>Shifting
>feel is much improved, and I can actually get into 2nd gear reliably
>in
>the mornings.  I must thank whichever lister it is was who
>recommended
>this to me (if my computer had corrupted both hard drives I'd have a
>specific name to thank).  I cleaned out both the fill and drain plugs
>of
>whatever the gunk was inside of them.  I assume these were
>contaminants
>in the old oil and the plugs are magnetic?  Also sprayed some
>silicone
>lubricant on the rails for my sunroof, much easier to open now - not
>that I'll have the chance to use it for a while.
>
>Is there anything else I should do/replace before winter sets in (I
>don't have money for winter tires/wheels)?  The car is already on
>Mobil
>1 synthetic...
>
>Thanks,
>David Miller
>
>