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How to Solve the Overheating Issue in Wuling Hongguang?

2 Answers

MacEdward

07/25/25 8:11am

You can use your hand to feel the temperatures of the upper and lower radiator hoses to determine the issue. If there is a significant temperature difference between the two hoses, it can be concluded that the thermostat is not functioning. If you cannot purchase the replacement part immediately during the journey, you can remove the thermostat as an emergency measure and replace it as soon as you return home.

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BeckettRose

08/10/25 6:50pm

I've encountered the Wuling Hongguang overheating issue several times, and the first thing to check is the coolant. Last week, my friend's car had a skyrocketing water temperature, and we found the auxiliary tank completely empty. Remember to check the main radiator cap when the engine is cold—if the coolant is rusty or insufficient, it needs immediate attention. Radiator grilles clogged with poplar fluff are also a common problem; flushing them from the inside out with a hose can remove a lot of debris. A stuck thermostat is particularly dangerous—you'll notice the upper part of the radiator scalding hot while the lower part stays cold. If you hear the electric fan isn't running, it's likely the temperature control switch is faulty. If the temperature gauge hits the red zone, you must pull over immediately—turning the heater to maximum can help dissipate heat. Continuing to drive could lead to engine seizure, and that repair bill will hurt.

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