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一辆皇冠3.0型轿车行驶了约13万km后,发动机出现散热器开锅现象。经检查:散热器、水管不漏水;冷车起动时,冷却风扇工作正常。发动机工作20min左右,水温即可达到正常值;之后水温持续上升,到散热器开锅。维修时,先从机械故障入手,检查水泵皮带和冷却风扇工作,均正常。拆除节温器试机,水温仍然居高不下。再从电器方面检查,开锅原因仍无法
After a crown 3.0 car drove about 130,000 km, the engine appeared to boil the radiator. After inspection: radiator, water pipe watertight; cooling car starts, the cooling fan is working properly. Engine work 20min or so, the water temperature can reach the normal value; after the water temperature continued to rise, to the radiator boil. Maintenance, the first mechanical failure to start, check the pump belt and cooling fan work, are normal. Remove the thermostat test machine, the water temperature is still high. Again from the electrical aspects of inspection, still unable to open the pot