It depends on the degree of collision damage and the quality of maintenance after repair. If the damage degree is only that the front part of the girder does not hurt the shock absorber, the impact is not great. If the damage is serious and the maintenance quality is not very good, it is hard to say. As long as it is repaired and there is no problem in driving, the problem will not be great.

1, the stiffness of the girder will be more or less worse than before being hit. 2. After the main girder is deformed and repaired, there will still be stress inside, which will easily aggravate the fatigue of the main girder. Of course, this is in the case of severe deformation. 3. If the deformation is serious and the repair is not perfect, it will have an impact on the force balance of the vehicle, which is easy to cause, eat tires or even puncture tires. 4. Abnormal sound and * * * vibration may occur. If you want to sell it, it will definitely affect the price. Advantages of girder 1 car. In addition to the cushioning effect of tires and suspension system on the whole vehicle, the flexible rubber pad can also assist in cushioning, properly absorb the torsional deformation of the frame, reduce noise, prolong the service life of the body and improve the ride comfort, which is widely used in senior cars and some intermediate cars. 2. The chassis and the car body can be assembled separately and then assembled together, which can simplify the assembly process and facilitate the organization of specialization and cooperation. 3. The frame is used as the foundation of the whole vehicle, which is convenient to install various assemblies and parts on the vehicle, and it is also convenient to change the vehicle type and refit it into other vehicles.