Overhaul the engine
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2. Engine overheating
Cooling system Fuel system
Check coolant level Check fuel quality
Operating conditions
1. Overload
2. Clogged radiator core
3. Continued overrunning
Too lowNormal Bad
Repair or replaceNormal
ReplaceNormal
ReplaceNormal
Damaged
Repair or replace
Normal
Check fan belt for tension, wear, or breaks Clean or replace with the specified fuel
Check radiator cap Replenish
Check thermostat
Check radiator
Repair or replaceNormal
Check water pump
Check water pump
InternalExternal
Overhaul engineRetighten or repair
Clean coolant path
Abnormal
Repair or replace
Normal
Check injection nozzles
Excessive fuel rate
Adjust or repair injection pump
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