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What you mean by "shaking" is actually for two reasons.
1》 The car does not shake until it is driven at high speed, and the reasons (from light to heavy) are the uneven tire pressure, the five fixing screws of the rim do not fit the rim close to the axle, the uneven distribution of the gravity of the rim, the deformation of the steering connecting rod (called "Woo ruler" in Hong Kong) (it can also be caused by violently rushing to the sidewalk with the front wheel), the contact of the universal joint is not tight (caused by turning the steering wheel when stopping), and the frame has not been adjusted due to the collision and deformation.
2》 The body is stationary, but the engine does not shake when running at high speeds, which has indicated that your car is shaking at high speed has nothing to do with the engine. As for oil spooling (especially when the accelerator link is suddenly released), the engine shuddes when it suddenly returns to idle (in fact, it sometimes dies), which means that your air-to-fuel mix ratio is not well adjusted. The high speed is that the air inlet door is wide open, and the proportion of air increases, so the problem is not obvious.
After the oil is collected, the damper is closed, the wind is less and the oil is more, and it is natural to tremble and even "want to die".
Of course, there is an impact on the wrong ignition time, but this year, the "electronic ignition" system was adopted, and there is little chance of change.
In addition, if the tightness of the belt caused such a "severe" situation, you would have heard the whistling of the belt long ago.
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If this situation occurs in the house, it is already a dilapidated house, don't live in it anymore, move out quickly, so as not to hurt people and regret it.
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Hello! The reasons for the high noise of the air conditioner are as follows:
1. If the installation of the outdoor unit is not firm or the bracket fixing screw is loose, it should be tightened thoroughly;
2. If the wall is not firm or the installation position is on the top, causing the wall resonance, the outdoor unit should be installed on the outer wall at the cross point of the concrete from the floor as far as possible, so that the installation is the most firm, the noise is also the smallest, and the wall resonance will not be caused;
3. The fan blades of the outdoor unit are deformed or broken, the fan bracket is loose or the fan motor bearing is seriously worn, and the lubrication is poor, etc., which should be checked and eliminated one by one;
4. If the compressor base is not fixed firmly or the pipelines in the machine collide with each other, if the distance between the pipelines is too close to the liquid, it should be separated.
If you can't operate it yourself, it is recommended that you contact the manufacturer for after-sales! I hope mine can help you!
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It's the same with our residential building here, I can often feel the house shaking, there are seven floors, I live on the sixth floor, and I'm pretty sure that the house is shaking is not an illusion, because when the house shakes, you can see the water in the cup on the table moving.
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Every time a car passes by, it feels like the house is shaking, and the house won't fall over.
This is a phenomenon of resonance, generally the foundation of the low-rise or bungalow is relatively shallow, and there is a slight vibration when the heavy truck with goods passes, which is normal and do not worry.
Resonance is a physical term that refers to the situation in which a physical system vibrates at a greater amplitude than other frequencies at a specific frequency. These specific frequencies are called resonant frequencies. At resonant frequencies, small periodic vibrations can produce large vibrations because the system stores kinetic energy. When the resistance is small, the resonant frequency is approximately equal to the natural frequency of the system, or the natural frequency, which is the frequency at which it oscillates freely.
There are many places in nature that have resonance phenomena, such as: the acoustic resonance of musical instruments, the orbital resonance between some Jupiter-like moons of the solar system, the resonance of the basement membrane in the animal ear, the resonance of electrical circuits, etc. Humans are also using or trying to avoid resonance phenomena in their technology.
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For safety, it's better to move.
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If it is a crack in the wall between the door, both indoor and outdoor, and the location is the same, that is, the base settlement attention observation and analysis continues to expand and widen the foundation settlement has been stabilized, this crack will not have any danger, this is the house is likely to work with joints, this is a concrete component, after the completion of the pouring maintenance conditions shrink in advance, temperature changes will cause a kind of micro-crack inside.
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Generally, it will not collapse if it is not a large earthquake. If it has not been renovated, you can use asphalt to repair the cracks. There are several reasons for this phenomenon, such as thin slabs and unqualified concrete quality, which can only be investigated on site.
If the cracks continue to increase or increase, it is a dilapidated house and cannot be inhabited.
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1. The throttle is dirty, which affects the engine. If the air conditioner is turned on again at this time, the engine will be idling more aggravated, and the steering wheel will shake. Therefore, this can be avoided by simply cleaning the throttle.
2. The shaking of the steering wheel of the air conditioner may also be due to the small power of the car and the automatic transmission. If the idle speed is high, it means that the compressor is working, and when it is not working, the idle speed is low, and the steering wheel will not shake. This phenomenon is relatively common, so car owners don't have to worry, it's best to go to the 4S store to check it first.
Check the inspection site of the car when the air conditioner is turned on:
Check the high and low pressure of the air conditioner, when the pressure is too high, it will cause the engine load to skyrocket.
Check the air conditioner electromagnetic clutch engagement.
Check the radiator of the air conditioner for dirty blockages.
Check if there is too much condensate.
Other causes of car shaking:
Problems with the ignition system.
90% of the shaking of the car when idling is caused by these four major reasons: if the ignition system of the car fails, it will cause the ignition system to work poorly, the spark plug flashing condition is not good, etc., which will lead to unstable faults such as movement of the car at idle. The solution is to check the working condition of the spark plug, high-voltage wire and ignition coil, whether there is too much carbon deposit in the spark plug, and once found, clean or replace the spark plug immediately.
The fuel quality is too poor.
90% of the shake when the car idles is caused by these four reasons, according to the survey, most of the domestic car owners have "idling" shake and other unstable faults, which has a great relationship with the quality of fuel. Poor fuel quality can impair engine performance and cause idle jitter. The solution to this problem is to clean the "throttle" of the car in time, which can basically eliminate various common faults.
If it can't be solved, it can only be sent for repair. If you want your car to avoid this problem when idling, then you should pay attention to the quality of the oil when refueling, and be sure to go to a regular gas station to refuel.
Excessive or aging of the engine.
There is too much carbon deposit inside the engine, and the gasoline sprayed at the cold start injection head will be absorbed by the carbon deposit, resulting in the cold start mixture being too thin, making it difficult to start. In this case, only when the gasoline absorbed by the carbon deposit is saturated, it is easy to get on the car, and the gasoline adsorbed on the carbon deposit will be sucked into the cylinder by the vacuum suction of the engine after the car is burned, and the mixture becomes thicker, and the combustible mixture of the engine is dilute and sometimes thick, causing idle shaking after cold start. The solution to this problem is to clean the oil circuit and check whether the idle motor has carbon deposits that should be cleaned.
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The car is shaking badly when the air conditioner is turned on, how to solve it.
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1. The idle jitter of the air conditioner is different from the slight vibration of our normal engine idling, it is more obvious. Jitter, a bit similar to when we first learned to drive, the oil was not proficient in coordination, and the car was about to turn off.
2. The compressor will also work after the air conditioner is turned on, and the compressor is driven by the engine, so the work of the compressor will increase the load of the engine. So how does the car engine cope with this increased load;
3. For most electronic throttle valves, the engine will automatically increase the throttle opening to get more air intake, thereby increasing the output power. Therefore, if the throttle valve is not maintained for a long time, it is easy to produce carbon deposits, which will hinder the air intake of the engine, resulting in insufficient or reluctant engine to drive the compressor, resulting in the phenomenon of idle jitter.
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It's good to go and wash the lower throttle, I was in this situation the other day, and it's all right after washing the throttle.
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There may be two reasons for this, so check how to deal with the specific problem.
1. With the increase of mileage, the vehicle will produce carbon deposits in many places, especially the throttle. If the throttle is dirty, it can block the air intake, resulting in an engine that is not strong or barely able to drive the compressor. Therefore, there was a situation where the air-conditioned car was shaking.
2. There will be vibration when the engine is working normally (including after starting the compressor), but some of it will be filtered out through the engine mount, so we don't feel obvious. If the engine mount collapses or breaks, the balance of the engine is broken, and the resonant frequency may be reached when the compressor is turned on, which can increase the vibration.
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It is likely that the amount of refrigeration oil in the air conditioning system pipeline is insufficient, and the deterioration is serious. ‘
When the refrigerant in the air-conditioning system pipeline leaks many times, each time only the refrigerant is supplemented without adding refrigeration oil, the original refrigeration oil in the system pipeline will be seriously insufficient, and when the compressor is in abnormal working state, a part of the refrigeration oil will deteriorate and lose lubrication.
If the amount of refrigeration oil is insufficient, the air conditioner will start and run abnormally. It is recommended to readjust the state of the refrigeration system.
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The car is shaking badly when the air conditioner is turned on, how to solve it.
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Look at the ** level. Recommended Reference:
China** Intensity Scale (Brief).
Degree; Inductive, only the instrument can record;
Degree; Individual sensitive people feel it in complete stillness;
Degree; A small number of people in the room feel it in stillness, and the hanging objects swing slightly;
Degree; Most people indoors, a few people outdoors feel it, the hanging objects swing, and the unstable utensils rattle;
Degree; Most people outdoors feel that the livestock are restless, the doors and windows rattle, and the surface of the walls is cracked; People are unsteady on their feet, domestic animals have fled, utensils have fallen over, and rudimentary sheds have been damaged by steep landslides;
Degree; Minor damage to the house, damage to the archway and chimney, cracks on the surface and sand spraying and water;
Degree; Most of the houses were damaged, a few destroyed the roadbed collapsed, and the underground pipeline ruptured;
Degree; Most of the houses were destroyed, a few were toppled, archways, chimneys, etc. collapsed, and the railroad tracks were bent;
Degree; Houses have toppled, roads have been destroyed, rocks have collapsed, and waves have crashed on the water;
Degree; A large number of houses collapsed, a large section of the roadbed embankment collapsed, and the surface of the ground changed greatly;
Degree; All buildings were destroyed, the terrain changed drastically, and flora and fauna were destroyed.
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It's all about the earth.
Chengdu, Sichuan is 7 degrees, Sichuan far more than 7 degrees the house will collapse, in the event of a collapse is not necessarily a huge court and and all walks of life land reform clothes high court play airplanes a chemical planning hair extensive deliberate chemical industry.
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It's all the result of the Earth's own gravitational pull.
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Intensity and ** level are not in the same proportion.
The fortification intensity of Chengdu, Sichuan is 7 degrees, but Wenchuan ** is far more than 7 degrees.
The main cause of idle jitter;
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