How to identify the pros and cons of the working condition of imported bearings? Answer: The working condition of imported bearings will immediately affect the driving force and rationality of the car. Now, we will analyze 6 simple test methods for the working conditions of imported bearings. (1) Oil cutting method: When the imported non-standard bearing is idling, cut off the high-pressure fuel pipe from the diesel pump to the fuel injection pump one by one, and investigate the change of the speed ratio and noise of the imported bearing at the same time. If there is no significant change, it indicates that the cylinder is not working well; if there is a significant change, it indicates that the cylinder is working well. (2) Temperature sensor method: that is, when the imported bearing has been working for a while, touch and test the exhaust pipe riser of each cylinder. If the tactile temperature is high, it indicates that the amount of oil provided by the cylinder is too large or the oil advance angle provided is too small, resulting in less optimistic consumption of gasoline and diesel; Adequate or not working. (3) Listening to the sound method: During the work of the imported bearing, touch the main fuel injection pump body with the screwdriver, and listen to the sound of the explosion of each cylinder. If the fire crash sound is violent, the cylinder provides too much oil or oil is supplied too early; if there is no fire crash sound, the cylinder provides too little oil or the oil supplied is too late or does not work. (4) Pulse-sensing method: When the imported bearing is working, it is good to separate and touch the hydraulic oil pipes of each cylinder. If there is a standard pulsating beverage touch, it indicates that the tank is working well; if there is no significant pulsating beverage feeling, it indicates that the tank is not working well; if there is a pulsating beverage feeling but irregularity, it indicates that the tank has a phenomenon of oil failure. (5) Viewing smoke color: There are generally three types of abnormal smoke and dust in organic waste gas, namely gray-black, dark blue and milky white. If abnormal organic waste gas is discharged from the exhaust pipe, it indicates that each cylinder is working abnormally; if it is discharged intermittently, it indicates that the individual cylinder is working abnormally.