What are the reasons for the high coolant temperature in the Besturn B90?

2 Answers
VonMaggie
07/24/25 1:07am
The reasons for the high coolant temperature in the Besturn B90 include damage to electronic components in the cooling system (thermostat, cooling fan), poor radiator performance, insufficient coolant, etc. Solutions: If the engine coolant temperature is too high, you can slightly loosen the radiator cap to allow steam to slowly escape. After the radiator pressure decreases, add cold water or antifreeze. When the coolant temperature gauge on the dashboard indicates excessively high temperature or the coolant level warning light flashes, it means the coolant temperature has exceeded the specified limit or the coolant level is insufficient. You should stop the vehicle immediately for inspection. Introduction to Coolant: Coolant has four main functions: cooling, anti-corrosion, anti-scaling, and anti-freezing. It is an indispensable heat dissipation medium for the normal operation of the engine.
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ZoeRose
08/10/25 8:51pm
That day I was driving a Besturn B90 on the highway when suddenly the temperature gauge skyrocketed, making me sweat with anxiety. There could be several reasons: first, insufficient coolant, either leaking or evaporated too much; second, the thermostat is stuck and not opening, causing poor water circulation; third, the water pump is broken and can't move the water flow; fourth, the fan isn't spinning, the radiator is clogged, or the fan motor is faulty; fifth, the engine is under heavy load, running the air conditioner for too long or climbing a hill. If not dealt with promptly, engine overheating can cause cylinder seizure and total failure, leading to big trouble. In my case, I stopped to add coolant as an emergency measure, but it's best to go to a repair shop for a comprehensive check-up. Don't skimp on costs to avoid even more expensive repairs later. Regularly check fluid levels and pipe aging to reduce unexpected incidents.
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