It is not easy to maintain a car well, except to change the oil, filter, air filter, air filter, brake pads, brake fluid… There is one other thing that you probably have never noticed before.
After driving the car for a long time, you will find that the sound of opening and closing the door has changed a bit. It is not the original soft and dull sound, but the sound of “duang…duang”; The sound insulation effect is getting worse and worse, and the noise is getting louder and louder; or you find that the car always seems to be leaking air, and it doesn’t matter how much the air conditioner is turned on. In fact, these signs are likely to be the performance of replacing the sealing strip.
Why change the seal?
Except around the door, there are sealing strips in the windows, sunroof, engine compartment, trunk and other parts, which play a role of sealing. If the sealing effect is good, not only sound insulation and noise reduction, It is also waterproof and windproof, and the effect is simply great.
However, the material of the sealing strip is mainly rubber, although there are vulcanized rubber, silicone rubber, neoprene, nitrile rubber, thermoplastic elastomer, thermoplastic vulcanizate (TPV), plasticized polyvinyl chloride (PPVC), surface coating materials and other materials, but because the sealing strip is to isolate the passage between the inside and the outside of the car, it needs to face the test of severe cold and heat every day, so these materials take a long time. It will definitely age and break.
What should I pay attention to when replacing the sealing strip
In addition to the poor sound insulation effect and air leakage mentioned by the editor above, if it is found that there are obvious signs on the sealing strip. Cracks or visible damage to the rubber indicates that it needs to be replaced.
First of all, before replacing the sealing strip, you must choose a good style according to the sealing strip used on your own model. The sealing strip used for different models may also be different.
Second, after selecting the sealing strip, clean up the original sealing strip before installation. After dismantling cleanly, wipe clean the places that the sealing strip needs to cover, especially those old dust and sand. If conditions permit, it is best to apply a layer of protective agent, which can not only prevent the aging of the sealing strip, but also greatly improve the sealing performance of the sealing strip. tightness.
Third, when replacing the door seal, pay attention to reserving a space for the door drain hole. Generally, there are one or two drain holes under the door. Bar.
Fourth, if there is an abnormal noise when the window is raised or lowered, most of it is due to the problem of the sealing strip. If adjusting the position of the sealing strip still cannot solve the abnormal noise, then Consider replacing the window seals.
Fifth, the sealing strip of the car sunroof also needs attention, because it is exposed to the air for a long time, the sun and rain are more serious, and some damaged sealing strips are also damaged. It may cause air leakage and rain leakage from the sunroof. Therefore, the sunroof sealing strip should also pay attention to timely maintenance.
Generally speaking, the sealing strips of doors, engine compartments and trunks are relatively easy to replace. , the sealing strips in these positions need to be replaced, and you may need to seek professional help. After all, replacing the sealing strips in these positions requires professional tools and professional skills.