Repair method of car bump in Pacific Auto Network: 1. If there is only a slight depression and the material area has not changed, it can be corrected slowly with a shim and a suitable sheet metal hammer; 2. If it is deep and the material is stretched, and the area is larger than that before deformation, it can be roughly leveled with a sheet metal hammer and pad iron first, and then repaired with filler.

I'm sure many people have heard of repairing dents in car bodies with hot water. This method is reliable and feasible, but it has great limitations. If you encounter an iron or aluminum dent, this method will not work. For the repair of deformed metal materials, it is obviously not feasible to use boiling water. Different repair methods should be selected according to the deformation degree, such as automotive sheet metal plastic molding machine. This method is also not feasible if the paint surface of the car body cracks or falls off.

You can also buy such a set of sag repair tool sets online, and the price is not expensive, just a few tens of dollars. Clean up the concave part first, then put the special glue into the glue gun and plug in the power supply to preheat for about 7 minutes. Then choose the appropriate gasket, pay attention to the large gasket suitable for large depressions. The larger the washer, the greater the traction. Then use a glue gun to evenly coat the gasket with sol, quickly paste it to the concave position, and gently press it until the special glue is fixed. Align the hole in the middle of the traction bridge with the attached gasket, put the nut on the gasket screw and tighten it, then turn the nut until the depression is flat.