Author Topic: Center Sport / Torsen Diff Fluid?  (Read 267 times)

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Offline heylinb4nz

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Center Sport / Torsen Diff Fluid?
« on: September 03, 2019, 01:15:52 pm »
2012 A8 with 35,000 kms

A) is a change required?
B) if so do I need to use the expensive OEM axel oil
C) can I use Audi 75w90 diff oil instead and add friction modifier if required?

Apprently the torsen diff oil is just 75w90 with 40ml of friction modifier added..

Offline user2154

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Re: Center Sport / Torsen Diff Fluid?
« Reply #1 on: September 13, 2019, 05:56:11 pm »
35,000 km? do another 265,000 km then change it if the seal has been leaking..

The best oil is the stuff already in there..
« Last Edit: September 13, 2019, 06:09:00 pm by user2154 »