汽车在路上行驶时，总是会产生一些噪音，这个是没法避免的，但是有些车在使用较长一段时间后，噪音很大令人受不了，直接影响了车主与坐在车内的乘客情绪。汽车开久为什么噪音那么大呢？下面就跟小编一起来看看汽车噪音都是来自哪里吧。 一、发动机舱噪音
车辆使用时间久了之后有噪音首先要考虑到的应是发动机舱。因为发动机舱是由金属与橡胶组成的，作为连接发动机与汽车的重要组成部分，运转时间一长就有可能会出现橡胶老化进而出现噪音。此外，如果汽车的机油粘度过高或者缸内积碳过多，也会使得发动机在正常运转的时候加速各部件金属的摩擦以及气门发出响声，进而产生了令人烦躁的声响，这个时候只要自己对汽车进行积碳清理即可解决噪音大问题。 二、汽车轮胎噪音
胎噪是车辆早高速行驶时，轮胎与路面摩擦产生的噪音，几乎是每辆车都有的，视路况还有车况来决定胎噪大小，如果路况平稳但是胎噪依旧很大，那很有可能是汽车轮胎出现问题。
轮胎属于橡胶制品，使用时间一久很容易出现老化的问题，老化的轮胎弹性较弱，如果胎压不足还会加大轮胎花纹间隙与空气流动构成的空气噪音。 三、车门与中控台噪音
最后就是车门与雨刷异响，车门的异响是汽车在高速行驶的过程中迎面而来风的压力超过车门的密封阻力进入车内所产生，而老化的密封胶条会使得车门关不严。同样，中控台也可能因为压力大于胶条的阻力而导致噪音产生，换上全新的密封条即可解决。
汽车噪音大主要是这几个方面出现问题，大家一一排查可能产生噪音的地方，以上就是小编给大家介绍的汽车噪音大的处理方法，希望对大家有帮助。 声明：转载此文是出于传递更多信息之目的。若有来源标注错误或侵犯了您的合法权益，请作者持权属证明与本网联系，我们将及时更正、删除，谢谢。( 文章来源：中国青年网)
原创文章，作者：cesifu，如若转载，请注明出处：http://www.cesifu.com/article/38397.html
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