发动机过热是较常见的故障,若不及时排除,会引起活塞环卡死、拉缸等严重故障。引起发动机过热原因有很多,如农用车长时间高速运行、超载、连续爬长坡等都会导致发动机过热。这是由车辆工作条件恶劣所造成的,是暂时的现象;但在正常工作条件下,由发动机冷却系统故障造成的发动机过热,应查明原因并及时排除。具体的步骤如 Engine overheating is a more common fault, if not ruled out in time, will cause the piston ring stuck, pulling cylinder and other serious problems. Cause engine overheating there are many reasons, such as agricultural vehicles for a long time high-speed operation, overload, continuous climb and so will lead to long engine overheating. This is caused by poor working conditions of the vehicle and is a temporary phenomenon. However, under normal operating conditions, the engine overheating caused by the engine cooling system failure should be identified and promptly eliminated. Specific steps such as