Is 100 Degrees Celsius Considered High Temperature for Car Coolant?

1 Answers
VanDaniel
07/30/25 12:38am
Is 100 Degrees Celsius Considered High Temperature for Car Coolant? A coolant temperature of 100 degrees Celsius is considered high, as the normal operating temperature for vehicle coolant should be between 80°C and 90°C. Below is relevant information about car coolant temperature: 1. Definition of car coolant temperature: Car coolant temperature reflects the working condition of the vehicle's cooling system. The engine operates best within an appropriate high-temperature range. At the proper temperature, fuel can burn more efficiently and reduce gas emissions. 2. Phenomena that may occur when vehicle coolant temperature is too high include: Warning indicators for high coolant temperature or engine overheating appearing on the dashboard. The engine cooling fan rotating at high speed with loud noise. Engine knocking may occur. In severe cases, it may lead to engine bearing failure, rendering the engine unable to start.
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