Re: Manual Transmission and Gear Oil

[Zsolt Kovacs <zsolt@telusplanet.net>]

Just a warning about Redline. I just switched over to synthetic myself and was
told that the problem with Redline is that it will "gel up" if mixed with
petroleum products. I wonder of that's what happened to you. Also it is considered
hazardous material therefore disposing it is more difficult.. I was recommended
Amsoil gl5 75w-90 Series 2000. Audi doesn't recommend gl5 because it's corrosive
properties, but the additives that Amsoil uses are safe untill a very high
temperature from gl2 through gl5 I believe.

I hope this helps.
   Zsolt

Christopher Gharibo wrote:

> I have a '91 Audi Coupe Quattro.  Ever since I have changed manual and gear
> oil to Red Line, although fine when warm, the shifting is definetly more rough
> when cold.
>
> This was not the case with the original fluid and I regret I ever touched the
> thing.  So, what's the part # for the replacement fluid since the dealers I
> have called have no idea and are conflicting each other.
>
> If not Audi oil, what's a good third party oil?  Mobil 1, Amsoil? Other?
>
> Please help.
>
> Thanks in advance.
>
> Chris
>
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