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Have anyone replace their front and rear diff fluid?

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Old 06-10-2019, 02:07 PM
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Default Have anyone replace their front and rear diff fluid?

Finally hit a 100k miles last week. Did the transmission fluid over the weekend. But I am wondering if anyone replace the front and back differential fluid and if so what type of fluid to use?
Old 06-11-2019, 07:34 AM
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bump! anyone?
Old 06-11-2019, 02:11 PM
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Search forum for transmission oil change, you will find lots of threads where they also do the diffs at same time, with DIY help. Enjoy!
Old 06-14-2019, 09:58 PM
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I had a local indy shop do mine (both diffs and transfer case) a few months ago. According to the invoice, the "differential fluid" part # was G-052-145-S2, and the "transfer case fluid" part # was G-055-145-A2. This also matches what I found in the Audi maintenance manual. Hope this helps...
Old 06-17-2019, 08:33 AM
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Thanks, i replaced the front and rear diff fluid with Motul 300 gearoil which is 75-90w

I did not do anything to the center transfer case (which i think sits behind the transmission)
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