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Message: <blockquote data-quote="shotym2" data-source="post: 37491" data-attributes="member: 4053">I am just about to attempt a head gasket change on the Deutz. Had what seems to be typical symptoms of a head gasket failure- mild runaway, huge amounts of smoke. so bought a new $140 gasket.  As I was beginning to prep for the head removal I removed the side access covers and found the entire rear of the engine with a nice thick oil and dirt coating. I am not certain if it is oil or diesel but should be no reason to  have diesel dripping off the back of the engine. Mostly looks like it is dripping out of the intake runner/gaskets.  My question is : do I have a head gasket failure or a turbo failure?  Are their different symptoms for each? How do you troubleshoot a headgasket vs turbo leak?  I think I will still do the head gasket but do not want to possibly ruin it if the turbo is the problem and have a catastrophic runaway.ThanksDwight</blockquote>