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i have started to pull the head on the passenger side because it had a minor knock and it was puffin blue smoke, i have pulled the injection pump, the manifold, and almost have the head off. my question is what could be causing it? it didnt have any bent push rods, so maybe bent valve or flat lifter? any help is apreciated. thanks
it smelt like oil. when i had the valve cover off i fired it up and it puffed blue smoke out of the pusrod hole. that why i was thinkin bent valve or stuff valve.
Have you serviced the CDR? If not, that can easily cause the blue smoke part of your problem. When you look down into the intake mainfold, is there a lot of oil residue?
I agree that the knock could be an injector. Have you been running any fuel additive?
Diesels are so high on compression that some blow-by is inevitable...
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