Check the check for the wiper.<br>Preliminary inspection of wipers<br>-whether the exposed surface of the impeller is worn during normal operation.<br>-Is there dirt and fine sandstone between the tire and the glass that causes the wiper to wear?<br>-When the wiper is used for a long time, the wiper tire will solidify, the elasticity will be weakened, and polishing defects will occur, because the contact surface between the wiper tire and the glass is poor, and the wiper may have vibration or other symptoms. If these symptoms are found, a new wiper tire should be replaced.
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