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ENGINE INTRODUCTION (J08E)
EN01–5
Excessive oil consumption
NOTICE
If oil consumption is excessive, the problems above will occur. Complaints from the customer are often related to
such problems.
.
1.
White smoke is emitted continuously when the engine is run at high speed.
2.
White smoke is emitted only immediately after the engine speed is abruptly raised when idling.
3.
The tail pipe is blackened with oil.
4.
Oil leaks from the flanges of the exhaust manifold.
5.
Lack of power.
Symptom
Possible cause
Remedy/Prevention
Excessive oil consumption (Pis-
tons, cylinder liners, and piston
rings)
Wear of piston ring and cylinder liner
Replace piston rings and cylinder liner
Worn, sticking or broken piston rings
Replace piston rings and cylinder liner
Insufficient tension on piston rings
Replace piston rings and cylinder liner
Unsatisfactory breaking in of piston
rings
Replace piston rings and cylinder liner
Unsuitable oil (viscosity too low)
Change oil as required and replace
piston rings and cylinder liners
Incorrectly fitted piston rings (upside
down)
Replace piston rings
Gaps of piston rings in cell with each
other
Reassemble piston rings
Excessive oil consumption (Valve
and valve guides)
Worn valve stem
Replace valve and valve guide
Worn valve guide
Replace valve guide
Incorrectly fitted valve stem seal
Replace the stem seal
Excessive lubricant on rocker arm
Check clearance of rocker arm and
shaft
Excessive oil consumption (Excess
oil feed)
Defective oil level gauge
Replace oil level gauge
Oil level too high
Drain excess oil
Excessive oil consumption (Oil leak-
age from miscellaneous parts)
Oil leakage from oil seal
Replace oil seal
Cracks or blowhole in cylinder block
Replace cylinder block
Oil leakage from connections of oil
lines
Tighten connections of oil lines
Oil leakage from oil cooler
Replace oil cooler
Oil leakage from oil pan gasket
Replace oil pan gasket
Oil leakage from O-ring
Replace O-ring
Excessive oil consumption (Other
problems)
Overcooled engine (low temperature
wear)
Warm up engine before moving vehi-
cle. Check cooling system.
Содержание J08E-VC
Страница 130: ...EXHAUST SYSTEM J08E EN04 9 TAIL PIPE STACK TYPE 11 6 G 13 2 3 F 12 8 E 8 4 B 10 A 1 9 5 7 C C E D 13 G SAPH011060400009 ...
Страница 150: ...EXHAUST SYSTEM J08E EN04 29 SAPH011060400054 ...
Страница 176: ...LUBRICATING SYSTEM J08E EN05 2 LUBRICATING SYSTEM DIAGRAM EN0110605J100001 SHTS011060500001 ...
Страница 205: ...FUEL SYSTEM J08E EN07 4 SUPPLY PUMP DESCRIPTION EN0110607J100002 1 SAPH011060700003 1 Supply pump assembly ...