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A4 rear diff!

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Dan-A3-Quattro, Jun 7, 2014.

  1. Dan-A3-Quattro
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    Dan-A3-Quattro New Member

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    Hi guys just a little help, whilst on its MOT I noticed my wife's A4 quattro has a leaking rear diff,

    is there any repair kits for said item or am I looking at a new diff? Easy or hard to replace? Any direction to parts ect...would be greatly appreciated

    Dan
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  2. Dan-A3-Quattro
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    Dan-A3-Quattro New Member

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    Oh and it's a 1.8t (163) BFB code, avant quattro
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  3. S4_dan
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    S4_dan Fire up the Quattro!

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    Where is it leaking from exactly? Try cleaning the old dirt and grime off the diff, go for a drive for a few miles and check for fresh oil.

    Most likely it will be a failed seal. Seal kits are out there but time in fitting can be a few hours depending on which seal. As long as there is still plenty of oil inside the diff so no damage is caused internally, then you shouldn't need a new diff. However, if its the diff casing that's been damaged and leaking......

    Dan
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