Case description
● Oil is gathered in inlet and exhaust vents of turbocharger
and inlet and exhaust pipe and there is a lot of smoke when a new
engine is operating without load.
● Check oil dipstick and then nd oil level of oil pan is not high.
● Check whether turbocharger is good.
● Oil-returned pipe of turbocharger and oil-separator are folded.
Re-install oil return pipe and air
exhaust pipe of oil separator
Air exhaust
pipe is folded
Case analysis
Remedy
Oil return pipe of turbocharger is folded,
which causes oil flows un-circulately. Air
exhaust pipe of oil separator is folded, which
causes failure of oil separator
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