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Can the car still be driven if the water temperature exceeds 90 degrees?

1 Answers

CharlotteLynn

07/29/25 1:08pm

It cannot be driven. The normal operating temperature of a car's water temperature should be above 70 and below 85 degrees. Exceeding 90 degrees means the car is in a dangerous state and should not be driven. Otherwise, if the temperature is too high, it can easily lead to overheating, causing the engine cylinder gasket to burst, and in severe cases, deformation of the cylinder head and block. Below are specific details about car water temperature: Main function: The car water temperature reflects the working condition of the cooling system. The engine must operate at a reasonably high temperature for optimal performance. At suitable temperatures, fuel can burn more efficiently and reduce emissions. Reasons for excessive temperature: The main causes of an engine running too hot include insufficient coolant, a faulty cooling fan, a malfunctioning water pump, a faulty thermostat, or poor radiator cooling. Symptoms of overheating: When the car's water temperature is too high, the dashboard may display a high water temperature or engine overheating warning. The engine cooling fan may rotate at high speed with loud noise. Engine knocking may occur. In severe cases, it may lead to engine bearing failure, making the engine unable to start.

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