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How to deal with the noise of the power pump of the automobile steering machine

First, check whether there is a leak in the vacuum tube when the engine is idle, which leads to the abnormal sound. When the steering pump is damaged, the first reaction is to hit the direction very well, and the steering pump is very different when hitting the direction. According to your voice tap direction reduced, suspended the car to a flat surface, a comprehensive visual inspection found that hydraulic pipeline, pump and direction of the machine without leakage of hydraulic oil within the tank is between the upper and lower limits, moderate elastic belt is normal, there is no deterioration of hydraulic oil. Because in the Volkswagen series, not only the filter core blockage will produce noise, but if the filter core is damaged or shifted, the aerodynamic noise will be produced. This is because the filter core has two functions: one is to filter the sediment and impurities in the system, and the two is to eliminate the pulsation when the pressure of the return port is too high, so as to prevent bubbles from causing the oil surface to be calm. Therefore, when the steering pump appears abnormal sound, we should first check whether the filter core is blocked, and the hydraulic oil is checked.

 
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