Bad turbo? CA valve seals rarely go bad to the point whereas they leak so obviously, but it too is not impossible.capwred wrote:i got my motor on the engine stand today and started tearing it down.i pulled the intake manifold of and looked at the inside where the valves are and number 2,3,6,7 had oil on them real bad.so what do you think is causeing this. valve oil seal? going to take the exhaust manifold off in the morning to look at that side.