Moxy MT 31 - External Coolant Leakage; Oil Pressed out Via Crankcase Ventilation; Turbocharger Breakdown

Engine
SHOP MANUAL MT26-31 - 06.2005
Tier-3 710655-
Ch 1 page 167
External coolant leakage
Oil pressed out via crankcase ventilation
Turbocharger breakdown
Effect Cause Troubleshooting Action
Check the connections
Lubrication piping
between turbocharger
and filter incorrectly
connected
Excessive bearing play
in turbocharger
Loss of power
Hole in piston crown
Bearing seizure in
turbocharger
Oil seepage via pistons
- liner
Oil seepage in air com-
pressor
Increases when white
smoke limiting device
is engaged or exhaust
brake applied
Effect Cause Troubleshooting Action
Leakage at charge air
cooler connection
Leakage in cylinder
liner seal
Defective cylinder head
gasket
Water pump leakage
Check at the water
pump housing’s telltale
hole
Change to original
hoses
Cold leakage
Effect Cause Troubleshooting Action