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桑塔纳乘用车发动机工作时,常发生液压挺柱异响故障,但要确切地判断产生异响的挺柱比较困难,就是把全部液压挺柱进行分解检查也难以判断。若更换全部液压挺柱,则费用较高,不仅顾客不易接受,而且会造成不必要的浪费。产生液压挺柱异响的主要原因是由止回阀密封不良造成的挺柱高压油腔内油压不足或由油缸外部油垢过多造成的油缸发卡。通常,只要对液压挺柱进行一次认真细致的清洁维护就可以排除故障(有效率达99％)。具体操作方法如下。
Santana passenger car engine work, often occurs hydraulic tappet abnormal sound failure, but to accurately determine the abnormal sounding tappet more difficult, that is, all the hydraulic tap decomposition inspection is also difficult to judge. If the replacement of all hydraulic tappet, the higher cost, not only customers not easy to accept, but also cause unnecessary waste. The main reason for the hydraulic tappet noise is caused by the poor sealing of the check valve caused by insufficient pressure in the tappet high pressure oil chamber or the cylinder caused by excessive grease outside the cylinder. In general, troubleshooting can be ruled out with 99% efficiency as long as the hydraulic tappet is carefully cleaned and serviced. Specific methods of operation are as follows.