ENGINE
B2420, WSM
1-S3
9Y1210436ENS0001US0
Low Oil Pressure Engine oil insufficient Replenish G-15
Oil strainer clogged Clean 1-S34
Oil filter cartridge clogged Replace 1-S15
Relief valve stuck with dirt Clean –
Relief valve spring weaken or broken Replace –
Excessive oil clearance of crankshaft bearing Replace 1-S52
Excessive oil clearance of crankpin bearing Replace 1-S51
Excessive oil clearance of rocker arm Replace 1-S44
Oil passage clogged Clean –
Different type of oil used and mixed Use specified type of
oil
G-8
Oil pump defective Repair or replace 1-S55
High Oil Pressure Different type of oil used and mixed Use specified type of
oil
G-8
Relief valve defective Replace –
Engine Overheated Engine oil insufficient Replenish G-15
Fan belt broken or tensioned improperly Replace or adjust G-23
Coolant insufficient Replenish G-8
Radiator net and radiator fin clogged with dust Clean –
Inside of radiator corroded Clean or replace G-28
Coolant flow route corroded Clean or replace G-28
Radiator cap defective Replace 1-S13
Radiator hose damaged Replace G-25
Overload running Loosen load –
Head gasket defective Replace 1-S29
Incorrect injection timing Adjust 1-S15
Unsuitable fuel used Use specified fuel G-8
Symptom Probable Cause Solution
Reference
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