Diagnosis Chart - Daewoo Novus M2SEF Manual

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5-126 MISCELLANEOUS CONTROLS AND OPTIONS

5) Diagnosis chart

Lack of Discharge
Complaints
Excessive Discharge Unusual Repeated generation Oil leakage Oil leakage
engine of black consumption of blue sound from of high and low from from
output smoke of engine oil smoke turbo unusual sound from compressor turbine
Cause
charger turbo charger sealing sealing
Restricted element of air cleaner
Obstructions in air intake channel
Obstructions in air exhaust
channel from compressor housing
to intake manifold
Obstructions in intake manifold
Air leak from some point between
air cleaner and compressor
housing
Air leak from some point between
compressor housing and intake
manifold
Air leak from some point between
intake manifold and engine
cylinder
Obstructions in intake manifold
Obstructions in muffler or exhaust
pipe
Gas leak from exhaust manifold
Gas leak from the turbine inlet positioned
at exhaust manifold
coupling portion
Gas leak from the outlet channel
of turbine housing
Obstructions in oil discharge pipe
of turbo charger
Restricted ventilation channel of
engine crank case
Entry of foreign substances into
turbo charger bearing housing
Poor fuel injection
Irregularities in injection timing or
valve clearance
Excess wear of engine piston ring
or liner
Troubles inside the engine(valves,
piston, etc.)
Foreign substances scaled on
compressor blades
Damage of turbo charger