urS4 trans additive?

Taka Mizutani t44tqtro at gmail.com
Wed Oct 18 19:23:54 EDT 2006


Cody, DO NOT use GL-5 rated gear oil in your Audi transmission!

Redline MT-90 or similar GL-4 ONLY rated gear oil is appropriate for your

I can't say Amsoil is bad, but I would not use it in an Audi transmission
because of the
GL-5 rating. Maybe it's being overly conservative, but Audi factory oil is
GL-4 synthetic,
the G00 050 part number.

Mobil 1 gear oil is definitely NOT right for your car.

What's wrong with 75W90? That's fine for your rear diff, that one should be


On 10/18/06, John Cody Forbes <cody at 5000tq.com> wrote:
> I was going to use GL5 compatible Mobil 1 75w90, any input there? Thats
> also
> what I put in the rear diff since we didn't have an straight 90 weight.

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