How to deal with the noise of automobile solenoid valve?

This paper introduces the treatment method of automobile solenoid valve noise: 1, the seal of main valve core or moving iron core is damaged, and the solution: replace the seal. Whether the fluid temperature and viscosity are too high, the solution: replace the corresponding solenoid valve;

2. Impurities enter the solenoid valve core or moving iron core. Solution: Clean the iron core. Spring life has expired or deformed. Solution: Replace the spring. The balance hole of the throttle hole is blocked, and the solution: clean the throttle hole in time;

3. Impurities cause the main spool and moving core of the solenoid valve to get stuck. Solution: clean it. If the seal is damaged, replace the seal and install the filter.

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