SERVICING INFORMATION 8-9
COOLING SYSTEM
Complaint Symptom and possible causes Remedy
Engine overheats. 1. Not enough engine oil. Add oil.
2. Clogged with dirt or trashes oil cooler core. Clean.
3. Faulty cooling fan. Repair or replace.
4. Defective cooling fan thermo-switch. Replace.
5. Clogged oil passage. Clean.
6. Air trapped in the cooling circuit. Bleed out air.
7. Defective oil pump. Replace.
8. Use incorrect oil. Replace.
9. Defective oil relief valve or oil pressure regulator. Replace.
Engine overcools. 1. Defective cooling fan thermo-switch. Replace.
2. Extremely cold weather. Put on the oil cooler
cover.
3. Defective oil relief valve or oil pressure regulator. Replace.
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