wsm M7040 - Page 136

ENGINE
M6040, M7040, WSM
1-S4
9Y1210143ENS0001US0
Low Oil Pressure Engine oil insufficient Replenish G-19
Oil strainer clogged Clean –
Relief valve stuck with dirt Clean 1-S53
Relief valve spring weaken or broken Replace 1-S53
Excessive oil clearance of crankshaft bearing Replace 1-S56,
1-S59
Excessive oil clearance of crankpin bearing Replace 1-S56,
1-S59
Excessive oil clearance of rocker arm Replace 1-S37,
1-S65
Oil passage clogged Clean –
Different type of oil Use specified type of
oil
G-10
Oil pump defective Replace 1-S15,
1-S79
High Oil Pressure Different type of oil Use specified type of
oil
G-10
Relief valve defective Replace 1-S53
Engine Overheated Engine oil insufficient Replenish G-19
Fan belt broken or elongated Replace or adjust G-25
Coolant insufficient Replenish G-35
Radiator net and radiator fin clogged with dust Clean –
Inside of radiator corroded Clean or replace G-35
Coolant flow route corroded Clean or replace G-35
Radiator cap defective Replace 1-S18
Overload running Reduce the load –
Head gasket defective Replace 1-S39,
1-S40
Incorrect injection timing Adjust 1-S19
Unsuitable fuel used Use specified fuel G-10
Battery Quickly
Discharged
Battery electrolyte insufficient Replenish distilled
water and charge
9-S9
Alternator belt slips Adjust belt tension or
replace
G-25
Wiring disconnected Connect –
Rectifier defective Replace 9-S19,
9-S48,
9-S53
Alternator defective Replace 9-S19
Battery defective Replace –
Symptom Probable Cause Solution
Reference
Page
KiSC issued 07, 2012 A