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Is there a substitute for MT-90 diff fluid?

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Old 04-26-2008, 08:31 AM
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Default Is there a substitute for MT-90 diff fluid?

Buddy of mine is changing his tranny/diff fluid today and can't locate any MT-90. Is there an acceptable substitute?
Old 04-26-2008, 08:56 AM
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Default My dealer used this, when I had a 2nd to 3rd grinding problem, probably not what you wanted....

Audi # G-052-726-A2
Old 04-26-2008, 09:30 AM
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Default I used amsoil 75w-90 gear oil... any GL4 rated gear oil should work I think?

but don't quote me on that
Old 04-26-2008, 09:58 AM
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Default Amsoil's product application guide says 75-90 GL4, 2.1 pts

<ul><li><a href="http://www.amsoil.com/scripts/runisa.dll?amsoiloaf.1638007076:RIGHTPANEL:1961783 367:TTQUA,AI,A,6038">http://www.amsoil.com/scripts/runisa.dll?amsoiloaf.1638007076:RIGHTPANEL:1961783 367:TTQUA,AI,A,6038</a</li></ul>
Old 04-26-2008, 10:11 AM
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motul gear 300. purems and local performance shops, good stuff.
Old 04-26-2008, 11:37 AM
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Thanks, guys (and gal)
Old 04-26-2008, 12:40 PM
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My mechanic has had good luck with GM synthetic manual trans fluid - another option
Old 04-26-2008, 01:59 PM
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Default Ive used Amsoil for both

gearbox and diff, Chip and am well pleased!<ul><li><a href="http://www.amsoil.com/scripts/runisa.dll?amsoiloaf:index">Lookup any auto here</a></li></ul>
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