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NEWS
  • Yutong Bus has a large noise in the car

    The mileage is about 14 thousand km Yutong Bus. Customer Description: when the speed of the vehicle is between 90 krn/h and 100 km/h, the noise inside the train is relatively large, and passengers have dizziness and vomiting for a long time. The customer reflected that the car was generally running in the city, the speed was low, the stroke was short, the fault was not found, and the vehicle was found on a highway about 6000 km before it was found. Because the fault has been repaired several tim...

  • The rear axle of Mercedes Benz CLS is often ringing

    Inspection and analysis: the maintenance personnel test the car, found that the car in the above speed of driving, if rapid acceleration or rapid slowdown, you can hear the "card" sound from the rear of the body. Considering that the vehicle is equipped with an active pneumatic suspension system, the maintenance personnel decide to make sure whether the noise is a normal phenomenon. In an active pneumatic suspension system, each damper can change the damping coefficient by changing the pressure ...

  • Abnormal steering wheel of TOYOTA Costa bus at low speed steering

    Inspection and analysis: maintenance personnel inspect vehicle chassis, visual steering machine and front suspension. Check the ball joints, no damage to the dustproof sleeves and no oil leakage. Check the bolts of all places, and no loosening is found. The front wheel was swung hard, and a slight "click" was found, which was consistent with the fault. Inspection found that there was a gap between the steering gear and its fixing device. The tightening force of the nut of the fixing device is in...

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