ivancrx

Well-Known Member
200tdi Engine.

Just taken the intake manifold off so I can get the the starter and one on the ports is very dirty, not sure if oil or carbon but looks like oil.

Any one have any ideas as to the cause?
 
Potentially the cyclone breather, is the oil coming in from the breather pipe?
Have a google of Defender 200tdi cyclone breather, and see whether those threads sound similar to your issue.
 
All the other ports are spotless, it is just one that has oil residue in it, I was thinking possibly valve stem oil seal?
 
All the other ports are spotless, it is just one that has oil residue in it, I was thinking possibly valve stem oil seal?

That is also quite normal, bright torch and you can see through the spring coils if the seal has moved up the valve stem
 

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