Once the universal joint of the drive shaft is insufficiently lubricated, its ball bearings will wear out immediately, so it will make a continuous noise when turning; moreover, it will make a sound when driving in a straight line.

　　A sharp turn is a situation that friends who love to drive fast will definitely encounter.When making a sharp turn, it is natural that the steering wheel will hit the end to one side, or the angle of turning will be large, and the torque on the drive shaft will also increase at this time.If the burden on the machine parts is heavy, it will naturally accelerate the aging or wear and tear, and it is inevitable to shorten the life span.Here we take a look at how the drive shaft of the front wheel changes during a sharp turn.

　　1. Check whether the specifications of the drive shaft tube are consistent with the bill of materials, you can measure it with a vernier caliper.

　　2. Observe the appearance of the transmission shaft tube, there must be no problems of rust, scratches and deformation.

　　3. Observe whether there is iron filings left when sawing the pipe inside the shaft tube, and keep the inside of the shaft tube clean.

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