Problem | Action | ||||||
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Coolant fan inoperative | Refer to Low Engine Coolant Indicator Always On . | ||||||
Thermostat stuck closed | Replace the thermostat. | ||||||
Radiator fins obstructed |
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Surge tank outlet hose pinched or kinked (at radiator) |
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Incorrect radiator | Refer to the radiator usage chart in a parts catalog. If needed, replace with the correct radiator. | ||||||
Loss of system pressure |
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Damaged or missing air seals or deflector | Repair or replace as required. | ||||||
Malfunctioning coolant pump | Replace the coolant pump. Refer to Water Pump Removal . | ||||||
Air trapped in cooling system | Refill the cooling system. |