What Causes High Temperature in the Engine Radiator?

1 Answers
VanBryce
07/30/25 6:36am
Engine radiator high temperature can be caused by the following reasons: 1. Lack of coolant: Insufficient antifreeze in the engine cooling system, which may be due to leaks in the engine, such as water pump leakage, pipe damage, or radiator damage. 2. Thermostat failure: A malfunctioning thermostat in the engine cooling system can lead to excessively high water temperature. If the thermostat fails to open, it obstructs the flow of coolant within the engine, causing the coolant temperature to rise. 3. Cooling fan failure: If the cooling fan in the engine cooling system does not operate properly, it results in poor heat dissipation of the coolant. This triggers the water temperature warning light and causes the coolant temperature to become too high.
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