When a car bumper has a damaged hole, it is generally recommended to replace it with a new bumper, because the hole may affect the structural strength and protective capabilities of the bumper.

　　But if the hole is small and the location is not too conspicuous, you can also consider repairing it. Repair methods include filling with professional car bumper repair glue or welding with a plastic welding gun. After the repair is completed, the repaired area needs to be sanded and painted to achieve a better appearance. It should be noted that the repaired bumper may not achieve the original strength and protective capabilities, so caution is still required in actual use. Of course, if there are just some cracks, you can still repair them yourself.

　　1. You need to prepare a set of bumper repair tools. Then, sand the periphery of the bumper to remove the paint from the damaged area.

　　2. Use compressed air to blow dust off the polished area. Next, use plastic cleaning fluid to spray on the polished area to remove surface dust and impurities.

　　3. Cut a stainless steel repair mesh of suitable size and fill it in the cracks or holes in the bumper. Use a special electric soldering iron to heat the four corners of the stainless steel repair mesh to initially fix it on the bumper, and use scissors for auxiliary pressing.

　　4. Use filling repair strips and putty to operate.

　　5. Use compressed air to blow it to cool it. After cooling, it can be polished and dusted.

　　6. After repeatedly checking and filling the repair strips and polishing them, you can spray paint yourself.

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