故障现象:一辆蓝鸟轿车在更换新气缸垫以后,发动机不能起动。打开水箱盖起动发动机时,水箱口向外喷水,机油中有水,消声器向外流水。 故障分析:水箱口向外喷水是由于气缸内的压缩气体进入水道后造成的。由于水道与油道相通,导致机油中有水。排气管向外流水是因气缸中渗进的水在排气冲程中经消声器流出。综合上述故障现象,怀疑为气缸垫损坏所致。 Symptom: A Bluebird sedan in the replacement of the new cylinder pad, the engine can not start. Open the tank lid to start the engine, the tank mouth to spray water, oil in the water, muffler out of water. Failure Analysis: Water tank outlet is due to the cylinder of compressed gas into the waterway caused. As the waterway and the oil passage, leading to water in the oil. Exhaust pipe outflow is due to infiltration of water in the cylinder in the exhaust stroke through the muffler outflow. Combined with the above symptoms, suspected to be caused by damage to the cylinder liner.