AUTOOL AST609 Car Pulsating Brake Oil Changer Single Clutch Slave Cylinders Brake Extractor Oil Pump Machine with 1000ML Bottle. When the device is out of factory, the working pressure of the pressure regulator is set to 1~1.5 bar, to ensure that the liquid storage chamber does not deform while changing liquid, thereby ensuring the tightness of the secondary sealing ring.
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