Check whether the steering kingpin of the hub bearing is loose, and whether the nuts such as the tire axle transmission shaft and leaf spring are tightened. Car guardrail and back door guardrail must be solid and reliable, and cargo loading must be solid, stable and safe. For automobile towing trailer, it is also necessary to check whether the connecting device is cracked, loose and deformed, and whether all kinds of auxiliary facilities meet the requirements, so as to ensure the safety and reliability of the towing device. After the vehicle has been running for a period of time, the engine chassis, tram oil and other defenses should be thoroughly inspected after all parts of the vehicle have been running, so as to find out the fault danger in advance and ensure the driving safety. We have professionally educated technicians, computer detectors for special vehicles, and professional tools such as oil analyzers. , you can check more professionally.
If it is found that the surface of the car body is damaged, scratched or damaged in the car body maintenance, it should be painted in time. The iron sheet is exposed for a long time to avoid surface corrosion affecting the life of the car. In addition, it can make the car more beautiful and beautiful. Clean the mud and dirt accumulated on the car surface in time, protect the car paint and keep it beautiful and bright. Waxing the car body and protecting the car paint, car maintenance is a preventive work to check and clean, supply lubrication adjustment or replace specific parts, also known as car maintenance. The purpose of automobile maintenance is to keep the appearance clean and the technical condition normal, eliminate hidden dangers, prevent faults, delay the deterioration process and prolong the service life.
It can be said that the running-in period has just passed. Personally, I don't advise you not to pull the highway now. If you want to pull up the expressway, you only need to do a manual work according to the conditions of the factory. The attenuation of engine oil has a certain time limit. It is generally accepted that the time to change oil mainly depends on mileage, which is related to the brand and use of the car. If it is a car, it is better to make up the report first and then pull up the expressway. Pulling up the speed requires a higher speed, and the engine works at a high speed. The first batch of engine oil often contains a lot of debris, so it is best to use the engine oil with more debris to increase the speed. It is likely to increase the consumption of the engine, and it will be different after the first maintenance. During the running-in period of the newly bought car, some iron may fall into the oil. If there is no mileage to maintain the running-in period, the main thing is to change the oil. This situation is very serious for engine wear.