What is the content of the three-level maintenance of the car?

The three-level maintenance of the car mainly includes the main maintenance work of dismantling and cleaning the car assembly, inspection, adjustment and eliminating hidden dangers. In addition to the first and second maintenance items, cleaning items are added.

Car maintenance can keep the car clean and tidy, maintain the technical condition of the car, eliminate hidden dangers of the car normally, and extend the service life of the car. By checking and cleaning the relevant parts of the car, lubricating and adjusting and replacing some parts, friction will inevitably occur in the various parts of the machine during operation, resulting in the loss of the car, so major car manufacturers formulate according to the use of the car Corresponding car maintenance items. During the daily driving of a car in summer, it is necessary to pay attention to the amount of engine cooling water and the temperature of the water temperature gauge. The high temperature in summer can easily lead to excessive water temperature in the car, causing serious engine failures and making the car unable to drive.