What fluid to use in rear diff?

Taka Mizutani t44tqtro at gmail.com
Thu Feb 16 18:07:24 EST 2006

I've used Amsoil 75W90 GL-5 as well as Redline 75W90 GL-5 for the rear diffs
in many cars, including the Audis. It is not a good idea to run MT-90 for
the rear
diff as it requires a GL-5 rated oil.


On 2/16/06, Brett Dikeman <brett at cloud9.net> wrote:
> On Feb 16, 2006, at 10:46 AM, patrick.anderson1 at comcast.net wrote:
> > What is the consensus on the proper fluid to use in the rear diff?
> > Using redline MT90 for the tranny and I think it is OK for the rear
> > diff as well since it is an open diff. Thanks.

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