After driving for a long time, you will find that the sound of opening and closing the door has changed, not the original soft sound, but the Dangdang sound. Or you find that the sound insulation effect of the car is getting worse and worse, and the noise is getting louder and louder; This is a car leak. The heat dissipation effect is not good after turning on the air conditioner. These are signs that the sealing strip of car door frame should be replaced. Why replace the sealing strip?
In addition to the side of the door, the car door frame sealing strip is also located on the window, skylight, engine compartment, trunk and other components. The function is sealing. If the sealing effect is good, it will not only make sound and reduce noise, but also be waterproof and windproof.