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What Causes High Water Temperature in Dongfeng Dolika?

2 Answers

DelLaila

07/28/25 2:19pm

High water temperature in Dongfeng Dolika may be caused by vehicle issues or improper driver operation. Below are the relevant explanations regarding electric vehicle energy recovery: 1. Internal vehicle causes: (1) The radiator grille is blocked by a large amount of dust and debris, affecting heat dissipation; the cooling water is not fully filled or severe scaling occurs inside the radiator. (2) The thermostat is damaged, and the fan cannot fully open when the working temperature exceeds 90°. (3) The radiator fan is not working properly, and the fan belt or water pump belt is loose. (4) The lower radiator hose is collapsed, or the water pump is malfunctioning. 2. Driver operation causes: Whether the ignition timing is too early or excessively delayed. These are common causes; other issues require further analysis.

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MiguelDella

08/11/25 10:27pm

The Dongfeng Dolica's high water temperature issue is something I've personally encountered several times while driving this truck. Every time the water temperature rises, it makes me nervous. The most common cause is insufficient coolant, possibly due to a leak or simply not being filled enough, especially during long-distance drives when the engine gets extremely hot. A dirty or clogged radiator is another culprit; if the fan can't spin, the heat can't dissipate, and the water temperature is bound to rise in summer traffic jams. Also, if the thermostat gets stuck and doesn't open, the hot coolant won't circulate, like a boiler under pressure. If the water pump fails and the coolant can't flow, it's game over. Additionally, for older vehicles, aging hoses or loose belts affecting the fan can cause the water temperature to spike. I once experienced this while hauling goods on a mountain road—the temperature gauge hit the red line, so I quickly pulled over, shut off the engine to cool it down, and narrowly avoided engine seizure. That’s why drivers should always keep an eye on the dashboard and pull over safely at the first sign of trouble to check. Veteran truckers know these tricks all too well.

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