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What oil for centre diff?

Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by reggieroo, Mar 8, 2012.

  1. reggieroo
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    reggieroo Member

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    [Mar 8, 2012]
    Hi,

    I'm having the rear flange seal changed on the back of the gearbox due to a leak but don't know what oil it uses. Is the center diff part of the auto box & shares the same fluid it does it have separate diff oil, also where to fill?

    Car is a 2000 S6 Quattro.
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  3. skyegtb
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    skyegtb New Member

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    [Mar 8, 2012]
    Y

    You will find all the info here in a write up I did about replacing this seal on my RS6. The oil part number if further down the page. Hope this helps. RS246.com Forum :: The World's #1 Audi R, S and RS Enthusiast Website • View topic - DIY Gearbox output flange seal replacement 018 409 399 B
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  4. reggieroo
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    reggieroo Member

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    [Mar 8, 2012]
    Brilliant, just the info I needed to know. I've ordered that original seal as I didn't fancy paying £240 for the new modified seal & flange. Also ordered the correct oil now G 052 145 S2.

    Thanks

    Paul
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