How to judge the hidden danger of body vibration
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The vehicle body shake occurred while the vehicle was moving. The car owners who are attentive may take it extra scrutiny, but it is still unclear what causes it. If the road trip encounters body shake, how can the owner determine and solve it? Organize the causes of body shaking in the general situation and relieve the worries of owners when the body shakes.
Slight jitter can check the tire balance Severe jitter may be the deformation of the steel ring
If the vehicle body is found to be slightly shaken or deflected during driving, the first thing that comes to mind is the tire factor. It may be that the tire balance is in poor condition and the owner is required to do a four-wheel alignment and balancing as soon as possible.
Another condition may be due to the deformation of the steel ring, which requires the owner to go to the repair shop for inspection. This situation generally occurs on vehicles that have a long life. In general, when a car replaces a new tire or a new steel rim, it needs to balance the tire once. Otherwise, the steering wheel is prone to jitter when the weight is not even.
Idle body shake hints three conditions
If you notice that the idling body is jittery, it may mean that the vehicle has the following three conditions:
The first is oil instability. If engine coke has been cleaned, throttles have been washed, oil cushions have been replaced, and spark plugs have been found, body vibration at idle is still found. It is recommended to check the fuel supply pressure and the intake pressure sensor at the 4S shop if the oil supply pressure to the pump is abnormal or Inaccurate intake pressure sensors and poor workability can cause body shake. The best solution is to check the oil pressure and replace the parts if necessary.
Followed by engine parts or aging, like the aging of the engine feet may cause the body to shake. The engine leg is actually the engine's suspension system. The engine leg is responsible for absorbing the slight jitter of the engine during operation. If there is a problem with the engine leg, these vibrations will be transmitted to the steering wheel and the cab.
The third is that the engine throttle is dirty or the injector has too much carbon deposit causing jitter. When the amount of carbon is too high, the gasoline emitted from the cold start injector will be absorbed by the large amount of carbon, resulting in the cold start of the mixture is too thin and difficult to start. The gasoline that is adsorbed on the soot after the car is drawn into the cylinder and burned by the vacuum suction of the engine, so that the mixture gas becomes rich, and when the combustible mixture of the engine is lean and rich, it causes idle jitter. The solution is to clean the oil circuit and check if the idle motor has carbon deposition.