How to solve the abnormal sound of automobile valve

There are many solutions: 1. The hydraulic jacking column needs to be replaced because there is a gap between the hydraulic jacking column and the valve seat. 2. Replace the oil with high viscosity. 3. Replace the solenoid valve of the engine carbon canister. 4. Remove the carbon deposit on the throttle. In the above way, the clicking sound of the valve can be solved. The abnormal sound of motor vehicle engine valve may be caused by the gap between hydraulic valve tappet and concave shaft. Most of the clearance is caused by excessive wear of hydraulic tappets or high internal oil pressure of tappets. Need to replace the hydraulic valve tappet, or check it in time because of low oil pressure.

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