wsm L503 Workshop Manual page 90

L3130 · L3430 · L3830 · L4630 · L5030, WSM
Symptom
Engine Overheated
Probable Cause
• Engine oil insufficient
• Fan belt broken or elongated
• Coolant insufficient
• Radiator net and radiator fin clogged with
dust
• Inside of radiator corroded
• Coolant flow route corroded
• Radiator cap defective
• Overload running
• Head gasket defective
• Incorrect injection timing
• Unsuitable fuel used
Replenish
Change or adjust
Replenish
Clean
Clean or replace
Clean or replace
Replace
Loosen the load
Replace
Adjust
Use the specified fuel
1-S3
ENGINE
Reference
Solution
Page
G-7, 8
G-23
–
–
–
G-27
1-S63
–
1-S30
1-S64
G-7, 8
W1014322
KiSC issued 02, 2007 A