After Xinshengda came out with fire, he felt the abnormal sound of the back field, like the sound of knocking. Very upset, basically don't want to run. The parking bell rings occasionally. loudly

Features: When the vehicle is driving at a low speed on a flat road, it makes an intermittent and irregular "quack" sound at the axle, which will be slightly aggravated when the vehicle speed increases, but it will not change when going up, down and turning; When driving on uneven roads, the noise is aggravated, and the noise of stepping on the brake pedal with your feet is reduced or disappeared. When stopping for inspection, you can hear abnormal noise by turning the wheel back and forth.

Reason: This is because the brake shoe support plate, damping spring plate or guide plate of disc brake are damaged, deformed and fall off, which makes the gap between brake shoe and caliper support frame increase and collide with each other to make a sound. You can go to the maintenance station to repair the deformed parts and replace the parts.

2. Abnormal sound of front suspension ball head

Features: The front axle will make an uninterrupted "click" sound when the vehicle is driving at low speed on the uneven road surface. The worse the road quality, the louder the noise will be. With the increase of vehicle speed, the noise will be aggravated. After parking, the front of the vehicle will shake left and right, which will produce abnormal noise. If the vehicle is driving on a flat road, the front axle will have intermittent and irregular abnormal noise, such as the impact of steel fracture.