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What's the Matter with the Car's High Temperature Warning?

3 Answers
Giselle
09/05/25 2:56am
Car high temperature alarm situations are as follows: 1. Circuit failure causes the electronic cooling fan not to rotate, reducing the radiator's heat dissipation capacity. 2. Check the operation of the electronic fan. Unplug the electronic fan's wire connector and power it directly with a power line. 3. If the electronic fan rotates, it indicates good working condition; if not, it indicates damage. Check the relay and its circuit condition. 4. If the fan rotates, the circuit is intact and powered, it indicates the relay is damaged or failed. 5. If all the above checks are good, it indicates the temperature sensor or its probe is damaged. The hazards of high temperature environment to the car are as follows: 1. When the car is running, the external temperature is high, and the tire heat dissipation is slow. Overheating can easily cause excessive air pressure, leading to tire blowout. The faster the speed, the more heat the tire generates, making blowout more likely. 2. The car's braking efficiency will decrease as the temperature rises. For cars with hydraulic braking, the brake fluid may produce vapor lock at high temperatures. 3. Under frequent braking conditions, the brake fluid temperature can reach above 100°C, easily causing the rubber cup to expand, brake fluid vapor lock, resulting in reduced braking efficiency and affecting driving safety.
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StValeria
09/17/25 3:37am
Last time on a long trip, I got startled by a high-temperature warning. That little red light meant the engine was overheating. Possible causes could be insufficient coolant, like a leaking radiator or too much evaporation; issues with the fan motor, such as stuck blades preventing rotation; the radiator being clogged with bugs and dirt hindering heat exchange; or a failed water pump unable to circulate the liquid. I immediately pulled over, turned off the engine, and waited for it to cool down. Never keep driving under such conditions, or the engine cylinder head could warp, leading to repairs costing tens of thousands. Check the coolant reservoir level; if it's low, top it up with a mixture of distilled water and antifreeze as a temporary fix, but it's best to call a tow truck and have it checked by professionals. I've developed good habits: change the coolant every two years, flush the radiator to ensure no blockages, and avoid running the AC at full blast while driving to reduce load and prevent overheating. The engine is the heart of the car; high-temperature warnings should never be ignored. Safety first saves big money.
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LeCourtney
10/31/25 4:08am
When the high-temperature warning light comes on, buddy, you gotta take action immediately—it means the engine is overheating, which is seriously dangerous. Common causes include low coolant levels, a busted fan, a stuck water pump, or a clogged radiator. When this happened to me, I slowed down, pulled over, and shut off the engine, then checked things out after it cooled down a bit. If the coolant level is too low, you can top it off with distilled water as a temporary fix, but never use tap water. Take a quick look to see if the fan is spinning or listen for unusual noises, but leave major repairs to the pros. Forcing the engine to run could lead to seized pistons or even total engine failure—costing you big time. I set a phone reminder to check the cooling system every quarter, including fluid changes and maintenance. Keep an eye on the temp gauge during highway driving, and build good habits to prevent issues before they happen, ensuring worry-free and safe driving.
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