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what is the little o ring for in the oil filter on a AFN

Discussion in 'A4/S4 forum(B5 Chassis)' started by Tom_B, May 25, 2013.

  1. Tom_B
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    Tom_B Member

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    Morning all,

    Just changing the oil on the 1.9 tdi the new oil filter came with a big o ring to seal the cap on and also a much smaller o ring - i cant see one on the sticky bit that goes through the filter where does it go?

    thanks
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  2. Tom_B
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    Tom_B Member

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    Ah ha, I just looked more carefully and spotted it.
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