Engine overheats (Radiator fan operates)
Precautions: Precautions for Cooling System · General safety (00)
| Condition | Possible Cause | Action |
|---|---|---|
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Engine overheats (Radiator fan operates)
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Loose or broken water pump belt
|
Adjust or replace water pump belt.
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Not enough coolant
|
Check coolant level and add if necessary.
|
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Faulty thermostat
|
Replace thermostat assembly.
|
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Faulty water pump
|
Replace water pump.
|
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Dirty or bent radiator fins
|
Clean or repair.
|
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Coolant leakage on cooling system
|
Check cooling system for leakage.
|
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Clogged radiator
|
Replace radiator.
|
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Faulty radiator cap
|
Check radiator cap.
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Dragging brakes
|
Check brake.
|
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Slipping clutch
|
Check clutch.
|
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Poorly charged battery
|
Check battery.
|
|
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Poor electricity generated by generator
|
Check generator.
|
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Faulty ECT sensor
|
Check ECT sensor.
|
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Faulty radiator cooling fan motor
|
Check radiator cooling fan motor.
|
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Faulty ECM
|
Check ECM and its circuit.
|
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Faulty radiator cooling fan relay
|
Check radiator cooling fan relay.
|
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Faulty wiring or grounding
|
Repair wiring.
|
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Too many optional electric devices
|
Remove electrical devices.
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