What are the reasons for the coolant temperature warning light to illuminate when the temperature is normal?
1 Answers
The reasons for the coolant temperature warning light to illuminate when the temperature is normal are as follows: 1. Insufficient coolant: The owner can check if there is any leakage in the radiator causing insufficient coolant. If there is no leakage, the coolant can be replenished in time. If there is leakage, the radiator needs to be replaced. 2. Thermostat failure: When the thermostat is damaged, the water pipe will not operate in the normal large and small circulation state, which will also cause the radiator temperature to be too high. 3. Problem with the cooling fan: If the car's cooling fan does not rotate, the radiator temperature cannot dissipate, naturally causing the coolant temperature to rise, leading to the "boiling" phenomenon. 4. Circulation water pump failure: The more common failures of the circulation water pump are cracked impellers or detachment from the pump shaft, which prevents the cooling system from circulating normally, resulting in excessively high water temperature.