一是要懂得水箱中为什么冒气泡？柴油机水箱中冒气泡，一般是气缸中的高压气体窜入冷却水道造成的。其原因有六：①未按规定矩拧紧缸盖螺母，高压燃气窜入水道一；②气缸垫使用时间过长，密封性差，造成漏气；③气缸垫被冲坏或烧损，造成窜气；④缸盖平面加工不平或变形，造成 First, we must understand why the bubble in the tank? Bubbles in the diesel tank, usually caused by the high-pressure gas in the cylinder fleeing into the cooling water channel. There are six reasons: ① not tighten the cylinder head nuts, high pressure gas channeling into the waterway one; ② cylinder pad is too long, poor sealing, resulting in leakage; ③ cylinder pad was washed or burned, resulting in channeling gas ; ④ cylinder head uneven processing or deformation, resulting