When it comes to car noises, I believe everyone who often drives will feel the same way，Troubled for a long time，But the cause of the abnormal noise cannot be found，Or choose to accept，Or seabet loginkeep excluding。Here are some common car noise problems and troubleshooting methods。

1、 There is an abnormal noise in the car body

Symptom description: There are always some abnormal noises from certain parts of the car body when driving or stepping on the accelerator or braking，The sound is not loud，And it does not affect normal driving，But there is always a little worry that something is wrong。

Solution: First check whether the trunk or rear seat is placed and not fixed、Objects that roll easily and make sounds，Excluding some items that are not fixed properly，Noise。

If you find abnormal noise caused by friction on the door or window，You can put adhesive strips on the doors and windows or put rubber on the friction parts，Perhaps it can reduce or eliminate abnormal noise，But the result is only a temporary solution and not a permanent cure。If none of the above problems are found，Then you must go to a regular repair shop for maintenance，Troubleshooting。

2、 There is abnormal sound in the engine

Symptom explanation: There is a higher possibility of abnormal noise in the engine compartment，Most people also judge the abnormal noise from the engine compartment based on the source of the sound，Usually it is a metallic screeching sound or a whistling sound。

Solution: Abnormal engine noise indicates that the technical status of a certain mechanism of the engine has changed。Mainly because some parts are worn or even assembled、Caused by improper adjustment。Some abnormal noises can predict possible accidental damage to the engine，So when there is abnormal noise in the engine，Should be repaired in time，Prevent fault expansion。

What needs to be reminded is，If it is abnormal noise in the engine，Most car owners cannot solve the problem themselves，It is best to send it to the factory for maintenance。

3、 There is abnormal noise in the gearbox

Symptom explanation: If there is a "rustling" sound inside the gearbox while the car is driving，But it doesn’t work anymore after depressing the clutch or accelerator，There will be a whistling sound when changing gears。

Solution: more transmission parts，The reasons for the noise are also more complicated，When analyzing and judging, you should pay attention to whether it is related to a specific speed，For example, the sound of some planetary gears is more obvious at around 50Km/h。Is it related to certain gears，This is very important for determining transmission failure，If a certain gear sounds，It must be related to the components that affect the transmission of this gear;If all files sound，It is often caused by a failure of the constant mesh gear shaft or a lack of oil in the transmission。Is it related to a specific action，RUJIA、Downshift，seabet ioStart，Rapid acceleration，Rapid deceleration，Turns, etc. are all effective means of judging abnormal noise，where，Transformation speed、Changing direction is particularly important for determining rear axle failure。

If there is obvious abnormal noise in the transmission，It is still recommended to send it to a professional repair shop to check the faulty parts，Then replace。

4. There is abnormal noise in the tires

Symptom description: The tires make rhythmic noise，And the faster the speed, the higher the frequency。

Solution: First check whether the tire screws are tight，Excluding abnormal noise symptoms。When the hub screws are loose，Tap the brake lightly when going downhill，The wheels will make a slight knocking sound，If the rear wheel screw is loose，The sound of the wheels will be amplified through the trunk，It may be mistaken as being emitted by something placed in the trunk。When the hub screws are extremely loose，The wheel swings during walking，You will hear a more obvious clicking sound at low speeds，At this time，Stop immediately and check the wheel hub screws。

If the tire sound is rhythmic，And if the speed is high, the frequency is high，Judge the cause based on the sound: if it is a low "pop" sound，Mostly the tire tread is deformed、Package starting、Severe wear or insufficient air pressure;If it is a "click" sound，It may be that the tread is mixed with small stones;If the tires whirr，And the car body is obviously shaking and even deviating in the direction，Needless to say, the tire must have burst，Get off the car and change the tire;If there is a sound of metal collision inside the tire while driving，May be caused by damage to shock absorbers and bearings，Car owners should go to a professional auto repair shop or 4S shop for repairs。

5、 There is abnormal noise in the suspension

Symptom description: When passing speed bumps or uneven roads，The suspension noise is very serious，There are also abnormal noises on flat roads。

Solution: When encountering bumps, the four wheels will make a "dong dong" or "click" sound，Mostly caused by shock absorber problems or loose suspension parts，Please go to a regular repair shop to check carefully。

6、 There is an abnormal sound in the engine guard plate

Symptom description: The engine guard has been installed for some time，But after going out to run some suburban roads，There was a strange noise at the guard panel when I came back。

Solution: Screws tend to shift on cars that move frequently，If you often hear an abnormal sound like a "pop, pop, pop" coming from the air intake grille，Except the grille is really loose，Then car owners still need to check whether the engine guard plate screws are loose，Or the engine guard plate and Seabetthe film are loose，Abnormal noise caused，Except for fastening screws，You should also place some cardboard items on the abnormal sound areas，You can easily eliminate abnormal noise。

7. The brakes make abnormal noise

Symptom description: The vehicle makes a loud noise when braking、Abnormal sound。

Solution: Brake pads are one of the most important parts in the braking system，Generally，The life of the front brake pad is 30,000 km，The service life of the rear brake pad is 120,000km。If there is a "squeak" when applying the brakes、Squeaking sound，Most likely the warning sound is caused by the wear indicator of the brake pad，This indicates that the brake pad has exceeded its service limit。When this happens，Car owners should go to the car dealership for maintenance as soon as possible，Otherwise the brake pads will be exhausted，Causing damage to brake components、Incorrect braking effect and accidents。

8. There is abnormal noise in the shock absorber

Solution:

1).Check whether the shock absorber is leaking。Look directly at the shock absorber housing or dust cover when it is not raining or the car is not washed。You can see it at a glance。

2).The other thing is listening。While driving at low speed，There is a shuddering sound when the wheels pass through the bumps on the road or there is slight vibration。The abnormal noise of the shock absorber is different from the abnormal noise of other chassis，Very boring。There is still an obvious vibration on the steering wheel if it is a front shock absorber。Find an experienced driver who can accurately determine which suspension is causing the problem。

3).Also, press the top of the suspension part of each wheel with your hands，For example, pressing the front and rear fenders。The faulty shock absorber presses too hard。This is a late-stage symptom of shock absorber oil leakage。This requires experienced maintenance technicians to judge。

4).If the shock absorber fails, it must be replaced，No way to fix it。

9. There is an abnormal sound when turning the steering wheel

Symptom description: The abnormal noise caused by steering in place may be caused by problems with rubber parts such as the balance bar lifting lugs and arm rubber sleeves。

Solution:

1). Check rubber parts such as balance bar lifting lugs and arm rubber sleeves

2). Check the tires to make sure it is not tire noise.

3), Check the toe-in of the front and rear wheels

4)、Last check，Whether the wheel bearings are severely worn，If serious, replace the left and right bearings。

10. There is an abnormal sound when the clutch is loosened

Symptom description:Release bearingWear or stuck;The separation lever pin and the pin hole are loose due to wear;The transmission pin and pin hole are loose due to wear。

Solution:

1).Continuously press and release the clutch pedal，The clutch makes a sound when engaged or disengaged，According to the severity of the sound，It is determined that the separation lever pin hole and the support pin are worn and loose, or the rivets of the driven plate assembly are loose、Vibration absorber failure and other reasons。

2).After depressing and releasing the clutch pedal，Step on the accelerator pedal again，If intermittent knocking sounds occur，The release bearing return spring fails or breaks。

3).Twin plate clutch，When the pedal is pressed to the bottom，Crack、Crack" sound，The fit gap between the middle pressure plate hole and the transmission pin is caused by excessive wear

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First, this sound may be tire noise，Every tire has tire noise，It’s just that the time of occurrence and the volume of the sound are different，Will not affect normal use; Second, the toe-in of the front and rear wheels is incorrect，Causing wavy wear on the tire tread，It also makes this kind of abnormal sound;The third is caused by wheel bearing wear。