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List of contents of this article:

• 1, What is car resonance? How to solve automobile resonance
• 2, Diagnosis and exclusion of high-speed vibration of automobiles?
• 3、What's wrong with the shaking vibration of the car

What is car resonance? How to solve car resonance

1. Car resonance solution: 1. Replace the engine foot mat to minimize resonance; adjust the chassis ingot beam connection point to reduce resonance;The engine is maintained as a whole to reduce the resonance caused by working conditions; the front axle of the engine is treated with soundproofing and vibration damping to reduce resonance. Every car has a resonance point, and the speed of resonance is different.

2. Using high-quality fuel, low-quality fuel or too low-label gasoline is easy to cause the engine to explode and have a sound similar to a metal knocking. Regularly clean the carbon accumulation of throttle valves, spark plugs and fuel injectors. When the carbon accumulation in these places is serious, it will cause the vehicle to accelerate weakly, increase fuel consumption and make noise.

3. Resonance is a technical term in physics that uses a very high frequency, which refers to the situation in which a physical system vibrates at a specific frequency and at a greater amplitude than others; these specific frequencies are called resonance frequencies. At the resonance frequency, a very small periodic vibration can produce a large vibration, because the system stores kinetic energy.

4. The methods to solve automobile resonance are as follows: replace the engine foot mat and try to reduce resonance; adjust the chassis Yuanbao beam connection point to reduce resonance; carry out overall engine maintenance to reduce the resonance caused by working conditions; engine front axle soundproofing and seismic isolation treatment to reduce resonance.

5. The solution to low-frequency resonance of automobiles is to install high-efficiency soundproof cotton and noise reduction. Because the metal and plastic plates of medium and low-speed cars are relatively thin, resulting in the introduction of external noise, soundproofing and thickened plates can be installed to block noise. The meaning of low-frequency resonance in cars is actually simple to understand that it is like flying. The internal pressure is very high, and the ears are buzzing.

6. [Pacific Automobile Network] The solution to low-frequency resonance of automobiles is to install high-efficiency soundproof cotton for soundproofing and noise reduction. Due to the thinness of metal and plastic plates in middle and low-end vehicles, which leads to the intrusion of external noise, soundproof and thickened plates can be installed to block noise.

Diagnosis and exclusion of high-speed vibration of automobiles?

1. Diagnosis and exclusion of high-speed vehicle oscillation: First, there are two situations of high-speed oscillation. First of all, the oscillation becomes stronger with the increase of the speed of the vehicle; second, there is a oscillation at a certain high speed.

2. CarsDiagnosis and elimination of swing faults in high-speed driving. There are two situations of high-speed swing. One is that as the speed increases, the swing gradually becomes stronger; the other is that when the swing occurs at a higher speed and causes the steering wheel to shake, the drive bridge is first set up, the front wheel is equipped with a safety plug, the engine is started and gradually changed to a high-speed gear, so that the drive wheel Reach the swing speed.

3. The reasons for the failure are: tire dynamic balance misalccurate; front and rear suspension, steering, transmission and other mechanisms are loose; front wheel positioning and wheelbase misalified; half-axle gap is too large. First of all, the tire imbalance will cause the wheels to roll and jump, which is the main reason for the shaking of the whole car.

4.) The transmission shaft is bent and unbalanced; the front axle is deformed; 6) The reducer fails, and the spring stiffness of the front steel plate is inconsistent; the tool frame is deformed, the rivet is loose or the front axle is deformed.

What's wrong with the shaking vibration of car parking

1. Parking shaking is caused by the following reasons: excessive carbon accumulation. If the engine cylinder is seriously carbonized, it will lead to spark plug blockage and valve blockage, which will directly lead to the idling shaking of the car; if the acceleration capacity of the car is not as good as before and the shaking lasts for a long time, then you can consider cleaning the engine cylinder.

2. The reason for the car's parking jitter: because the throttle valve is too dirty, the fuel injector accumulates too much carbon.

3. The most common reason for car shaking is that the throttle valve is too dirty or the oil nozzle accumulates too much carbon. When there is too much carbon inside the engine, the gasoline sprayed by the fuel injection head during cold start will be absorbed by carbon accumulation, resulting in excessive mixing gas during cold start and difficult start.

4. The reason for the car's parking shaking: the combustion of the mixed gas in the engine is poor. When the mixed gas in the cylinder is too thick, the car will burst and shake. When the mixed gas is too thin, the vehicle will not be able to accelerate.

5. Causes of car parking shaking: the aging of the engine foot mat, and the car shaking is sometimes related to the aging of the engine foot mat. The engine foot is actually the shock absorption system of the engine, and the engine foot is responsible for absorbing slight vibrations when the engine is running.