Except around the door，Sealing strips in the window、Sky window、The engine compartment、Trunk and other parts are available，The role played is sealed，If the sealing effect is good，Not only sound insulation and noise reduction，can also be waterproof、Windproof。

but，The material of the sealing strip is mainly rubber，Although there are vulcanized rubber、Silicon Rubber、Closey、Ding 腈 rubber、Thermoplastic elastic body category、Thermoplastic sulfide (TPV)、Plastics polyvinyl chloride (PPVC)、A variety of materials such as surface coating materials，However, because the sealing bar is a passage between the inside and outside of the car，Need to face the test of severe cold and heat every day，So the time of these materials will definitely be aging、Broken。

In addition to the poor sound insulation effect mentioned above、Leakage and other conditions，If you find that there are obvious rubber cracks or visible damage on the sealing strip，It means that it will be replaced。

First，Before replacing the sealing strip, select the style according to the seal bar used on your own model，The sealing strip used in different seabet loginmodels may also be different。

2，After selecting the sealing strip，Clean up the original sealing strip before installation。After removing it clean，Place you need to clean the sealing strip，Especially those old dust and sand，It is best to apply a layer of protective agent with conditions，This can prevent the sealing of the seal from aging and greatly improve the sealing of the sealing strip。

Third，When changing the door density sealing, pay attention to the reserved position for the door drainage hole，There is one or two drainage holes below the door，If you don’t pay attention to it, it will be troublesome。

Fourth，If there is abnormal noise when the window rises，Most of them are also due to sealing problems，If the location of the sealing strip is adjusted, the abnormal noise cannot be solved，Then you need to consider replacing the windows of the car window。

Fifth，The sealing strip of the auto sunroof also needs to pay attention，Because it is exposed in the air for a long time，sun and rain are even more serious，Some damaged sealing strips may also cause the skylight leakage、Leakage。So，Sky window sealing strip should also be paid to timely maintenance or replacement。　

Generally speaking，Door、The engine compartment、The sealing strip of the trunk is easier to replace，If your own ability is strong，I can do it yourself; if it is a sunroof、The sealing bar in these positions of the window needs to be replaced，May need to go to a professional maintenance shop for treatment。