ENGINE
M6060, M7060, WSM
1-S3
9Y1210828ENS0001US0
The lubricant oil
consumption is too
much
The gap of the piston ring points to the same
direction
Move the ring gap
direction
1-S52
The oil ring is worn out or cannot move Replace 1-S53
The piston ring groove is worn out Replace the piston
and piston ring
1-S70
The valve stem and valve guide are worn out Replace 1-S40,
1-S58
The crankshaft bearing and the crank pin bearing
is worn out
Replace 1-S72,
1-S73
The fuel is mixed into
the lubricant oil
The injector is damaged Replace 1-S35
Fuel leak from the overflow pipe of the inner
cylinder head cover
Replace the gasket 1-S36
Oil dilution due to regeneration Change the engine oil G-22
Water is mixed into
the lubricant oil
The head gasket is damaged Replace 1-S38,
1-S39
The cylinder block or cylinder head is damaged Replace 1-S38
The oil pressure is
low
The engine oil is not sufficient Fill oil to the specified
amount
G-22
The oil strainer is clogged Clean 1-S51
The relief valve does not operate with dirt Repair or replace 1-S45
The oil clearance of the bearings are too much Replace the metal,
bushing or shaft
1-S52,
1-S54,
1-S72,
1-S73
The oil passage is clogged Clean –
The type of oil used is incorrect Use the specified type
of oil
G-14
The oil pump is damaged Replace 1-S76
The oil pressure is
high
The type of oil used is incorrect Use the specified type
of oil
G-14
The relief valve is damaged Repair or replace 1-S45
The engine is
overheated
The engine oil is not sufficient Fill oil to the specified
amount
G-22
The fan belt is broken or the fan belt tension is
too loose
Replace or adjust 1-S14
The coolant is not sufficient Fill to the specified
amount
G-40
The radiator net and the radiator fin are clogged
with dust
Clean –
There is corrosion in the inner side of the radiator Clean or replace G-40
There is clogged in the coolant flow route Clean or replace G-31
The radiator or radiator cap is damaged Replace 1-S15
The load is too much Reduce the load –
The head gasket is damaged Replace 1-S38
The fuel used is incorrect Replace the specified
fuel
G-14
Symptom Probable Cause Solution
Reference
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