Soot under engine cover

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wilm11
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06-07-2020, 04:19 PM #1

Hello to everyone,

my name is Philipp and I´m from Germany. In the past I worked on some Diesel engines from VW but now I have a nice OM605 in C-class. I plan to build a daily with a K14 hybrid, 6 speed and some other stuff. The car has 270.000km and is still in good condition.

Now I found a Problem I haven´t seen before:
I checked the engine at 260.000km and it was fine. Now, with 270.000km I found a lot of soot under the engine cover at the injector from cyl. 1.
My first idea was the seal ring between injector and pre-chamber. But as you can see on the pictures thats not the reason, the black soot area begins at the pre-chamber ring.

What do you think about it? Has any one seen this problem on his OM60X engine?

Thanks a lot.

regards Philipp

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