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Can't find the leak

Sp3no82 Jul 10, 2018

  1. Sp3no82

    Sp3no82 Member

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    I had been getting the smell of exhaust gas in the cabin on my 2.0tdi B7 170 avant and on closer inspection I found soot all around the electronic actuator on the turbo. I assumed it to be the exhaust manifold gasket so I painstakingly stripped it down and changed all gaskets, manifold, turbo, exhaust etc.
    I have just checked it after about 200miles and the soot is back on around the actuator which I had cleaned off. Where the hell can it be coming from? The turbo was brand new only 5000miles ago.
    Can a leaky EGR cooler cause soot in this area. I can't see where it can now be coming from........
     
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  3. Sp3no82

    Sp3no82 Member

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    Oh and is it normal for the cold side of the turbo to have sooty deposits on the impeller blades?
     

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