T85 rear differential fluid

[Ed Kellock]

I just use Mobil 1 75W90 in the rear.

----- Original Message ----- 
From: "Tom Leppke-Hennig" <printhead at usinternet.com>
To: <ur-quattro at msn.com>
Cc: <quattro at audifans.com>
Sent: Monday, February 14, 2005 12:28 PM
Subject: Re: T85 rear differential fluid


> No, not, MT-90 or MTL. You want one of the the GL-5 rated 75/90
fluid they sell. The GL-4
> fluids like MTL and MT-90 are for the transmision, GL-5 for
rear-ends.
>
> Check around in the archives. I have experienced this myself in my
Scirocco and many others
> have spoken of winding up with "grindy" syncros after putting GL-5
rated lubricants into
> manual transmissions. Mobil 1 gear oil for instance, says GL-4/5
rated on the bottle. But
> according to Redline, and VAG Bentley manuals, that a
contradiction/incongruity.
>
> It takes a while to glean the straight dope out of Redline's
website, but after a bit of
> clicking around, it becomes clear.
>
> Tom LH
> 1995 90q
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