What are the common causes of high car water temperature and their solutions?

2 Answers
NaomiAnn
07/23/25 8:05pm
Common causes of high car water temperature include coolant leakage or insufficient coolant, radiator fan failure, water pump failure, thermostat failure, and poor radiator heat dissipation. Below are the methods to address high engine water temperature: 1. Park in a shaded area: If you notice high engine water temperature while driving, find a safe and shaded place to pull over. Let the vehicle idle without turning off the engine, as shutting it down will stop the cooling fan and coolant circulation, leading to even higher engine temperatures. 2. Check the radiator fluid: Inspect the fan for any abnormalities, check for leaks in the radiator hoses, and ensure the coolant level is sufficient.
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FinnLynn
08/10/25 6:04pm
I've been driving for over a decade, and the main causes of high engine temperature I've encountered are insufficient coolant, radiator blockage, or fan failure. For example, last summer during traffic congestion, a loose fan belt caused insufficient rotation speed, preventing heat dissipation and nearly leading to engine seizure. The solution is to immediately pull over, turn off the engine, and check if the coolant needs topping up; if the fan isn't working, turn on the heater to assist with cooling or call for roadside assistance. I recommend never ignoring dashboard warning lights, regularly cleaning the radiator to prevent dust buildup, and extending your vehicle's lifespan to avoid costly engine overhauls.
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