What Are the Reasons for High Water Temperature in a Van?

1 Answers
LeonardoAnn
08/26/25 3:54am
The main reasons why the water temperature in a van tends to be too high include insufficient water in the car's radiator, a malfunctioning thermostat, or water pipe leakage. When the car's radiator lacks water, it is necessary to replenish the water promptly to ensure sufficient water levels in the radiator, which helps in cooling the vehicle's water temperature. The car radiator, also known as a heat exchanger, is a key component in the car's cooling system. Its function is to dissipate heat—coolant absorbs heat in the water jacket, flows to the radiator to release the heat, and then returns to the water jacket in a continuous cycle, achieving the effect of heat dissipation and temperature regulation. If the car's thermostat malfunctions, check whether it is due to the valve opening or the temperature for full opening being too high. In this case, the valve should be tightly closed. The car thermostat controls the flow path of the engine coolant and automatically adjusts the amount of water entering the radiator based on the coolant temperature, thereby conserving energy. If the car's water pipe leaks, replace the anti-slip strip, clear the drainage hole, and close the radiator cap. If inspection reveals a cracked heat pipe or water pipe, promptly take the vehicle to a repair shop for maintenance. Precautions: While driving, slow down and pull over to the roadside. Do not turn off the engine directly, and avoid pouring cold water on the engine during cooling.
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