Discussion in 'Freightliner Forum' started by sampol, Jan 6, 2013.
: has anyone experienced oil leaking from exhaust ports on the MBE 4000 year is 2004
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Exhaust ports? Those are inside the cylinder head, so a little confused myself.
its probably not oil, but condensation and possibly some unburnt fuel from idling mixed with soot.
OM457/460 got closed crankcase vent system, so oil vapor is always in intake and if not burned fully (cold engine) in exaust