汽车行驶在路上，我们坐在车里会听到很多声音，当然，越是高档的轿车在控制车内噪音的方面效果越好，但有一些噪音是无法避免也不应当避免的。因为我们可以从各种声响来判断来界的各种情况。我们所能听到的这些噪音，有些是合理的噪音，有些则是因为汽车发生了故障而出现的异常声响。那么汽车行驶时正常产生的噪音有哪些呢?
When a car is driving on the road, we can hear a lot of noise while sitting in the car. Of course, the more high-end a car is, the better it can control the noise inside the car. However, there are some noises that cannot be avoided and should not be avoided. Because we can judge various situations in the coming world from various sounds. Some of the noises we can hear are reasonable, while others are abnormal noises caused by car malfunctions. So what are the normal noises generated by cars while driving?
1、不同的路况，会导致汽车的车体结构产生不同的颠簸振动效果，从而发出一定的噪音;
1. Different road conditions can cause different bumpy vibration effects on the vehicle body structure, resulting in a certain amount of noise;
2、不同的汽车轮胎与地面接触所产生的摩擦噪音和空气振动噪音，就是所谓的胎噪;
2. The friction noise and air vibration noise generated by different car tires in contact with the ground are called tire noise;
3、汽车车身穿过大气而产生的湍流声音，就是所谓的风噪;
3. The turbulent sound generated by the car body passing through the atmosphere is called wind noise;
4、当汽车行驶时发动机会有适当的振动、排气、进气的声音;
4. When the car is driving, the engine will have appropriate vibration, exhaust, and intake sound;
5、汽车行驶是靠传动系统传送动力，在传动过程中的相互运动所激发的振动;
5. The driving of a car relies on the transmission system to transmit power, which is excited by the mutual motion during the transmission process;
6、当刹车时，刹车系统与轮胎轮圈之间的摩擦所发出的声音;
6. The sound produced by the friction between the braking system and the tire rims when braking;
7、汽车行驶中如果在使用空调，空调风机也会发出一定的声音。
7. If air conditioning is used during driving, the air conditioning fan will also make a certain sound.
以上都是一些正常范围的汽车声响，那么哪些声响是在暗示着汽车出了故障需要维修了呢?如果你能了解一些汽车的故障声音，少能自我判断是否该去修理厂了。
The above are all some normal range of car sounds, so which sounds suggest that the car has malfunctioned and needs to be repaired? If you can understand the sound of some car malfunctions, at least you can self judge whether to go to a repair shop.
汽车正常行驶时如果出现了奇怪的、不寻常的响声，这就需要特别的注意。任何从汽车中产生的非正常声音都意味着汽车运转中出现了某些变化。
If a car makes strange or unusual noises during normal driving, special attention needs to be paid. Any abnormal sound generated from a car indicates certain changes in the operation of the car.
一、发动机系统的异响
1、 Abnormal noise from the engine system
1、高频率的尖啸叫：如果你的爱车在冷启动时出现尖叫的声音，并且持续一段时间。那么你就应该考虑去检查一下传动皮带，必要时进行更换。一般来说，传动皮带打滑或者边缘磨薄后会发出这样的声音。
1. High frequency whistling: If your car makes a screaming sound during a cold start and lasts for a period of time. So you should consider checking the transmission belt and replacing it if necessary. Generally speaking, the transmission belt will make such a sound after slipping or thinning the edges.
2、轻微的金属撞击声音：如果启动后感觉到发动机方向有类似于金属在来回摩擦击的声音，那有可能是发动机的燃烧室内的油气混合物没有充分燃烧发出的声响。如果使用了低标号或者不合格的汽油，往往会出现这样的情况。要关注一下冷却液温度来确定发动机是否过热。如果异常就要赶紧更换高标号的汽油，或者添加提高锌烷值的添加剂。有时发动机积碳过多也会出现这样的异响，进行燃油系统清洗可以解除症状。总之一但出现这样的声响，一定要尽快排除、解决，避免缩短发动机的寿命。
2. Slight metal impact sound: If you feel a sound similar to metal rubbing back and forth in the direction of the engine after starting, it may be due to the incomplete combustion of the oil gas mixture in the combustion chamber of the engine. If low-grade or substandard gasoline is used, this situation often occurs. Pay attention to the coolant temperature to determine if the engine is overheating. If there are any abnormalities, it is necessary to quickly replace the high-grade gasoline or add additives to increase the zinc octane number. Sometimes, excessive carbon accumulation in the engine can cause such abnormal noises, and cleaning the fuel system can relieve the symptoms. In short, if such a noise occurs, it must be eliminated and resolved as soon as possible to avoid shortening the engine's lifespan.
3、轻轻的扣击声：如果在车辆加速时总会听到发动机方向有轻轻扣击的声音，或者是滴滴哒哒这样的声响，声音并不大，但是会一直持续，但是停车后又不响了。出现这样的声响一般来说是发动机内缺机油或机油滤清器长久没有更换导致的气门间隙不匀。先检查机油，如果并不缺少，就只能去维修厂去检查气门间隙或者进行发动机修理了。
3. Gently clicking sound: If you always hear a gentle clicking sound in the direction of the engine when the vehicle accelerates, or a sound like dribbling, the sound is not loud, but it will continue, but it will not make a sound after parking. The occurrence of such a noise is generally due to a lack of oil in the engine or uneven valve clearance caused by the oil filter not being replaced for a long time. First, check the engine oil. If there is no shortage, you can only go to the repair shop to check the valve clearance or perform engine repairs.
This article is dedicated to the maintenance of Jinan Mercedes Benz cars. For more relevant knowledge, please click on www.lutongqixiu.com with a sincere attitude. We will provide you with comprehensive services. We will continue to contribute more relevant knowledge to everyone. Stay tuned
