In addition to the above poor sound insulation effect and air leakage, if there are obvious rubber cracks or obvious damage on the sealing strip of the car door frame, it means that it needs to be replaced.
First of all, when replacing the sealing strip of automobile door frame, you need to choose the appropriate style according to your own model. Different types of sealing strips are different. Secondly, after selecting the sealing strip, clean the original sealing strip before installation. After removal, wipe the area covered by the sealing strip. If possible, it can be coated with protective agent to prevent the aging of the sealing strip and improve the sealing performance of the sealing strip. Then, when replacing the car door frame and door sealing strip, please pay attention to reserve a position for the door drainage hole. Usually, there are one or two drainage holes under the door. If you don't take care to stop it, it will be more troublesome. Another step is that abnormal noise will be generated when raising and lowering the parking lot, or there may be problems with the sealing. If adjusting the position of the seal still does not solve the problem, it may need to be replaced.
It is also necessary to pay attention to the sealing strip of car door frame, because it will be more serious in the sun and rain after long-term exposure to the air, and some damaged sealing strips may lead to wind and rain leakage. Therefore, the sunroof sealing strip also needs regular maintenance and inspection.
Generally speaking, the sealing strips of doors, engine compartment and trunk are easy to replace. If you do it yourself, you can do it yourself. However, if you want to replace the sunroof, window, etc., you may need to go to a professional repair shop for treatment.