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Why light on the brake, heavy tread is not ringing

Why light on the brake, heavy tread is not ringing

[Abstract]:
Low-speed car, light on the brake sound, heavy tread is not ringing, this situation is very complicated, not only occurs in the new car on a new film, also occurs in the old car, both in the just-chan
  Low-speed car, light on the brake sound, heavy tread is not ringing, this situation is very complicated, not only occurs in the new car on a new film, also occurs in the old car, both in the just-changing brake lining , It also happens on brake lining that have been used for some time. For this phenomenon, there is no comprehensive and accurate answer, today we will talk about some actual cases. Whether it works well to prescribe the right medicine according to the condition, we can observe the textual research in practice.
 
  Light brake sound when the brake is mainly between the brake disc brake friction sound. When you step on the brake pedal lightly, the brake pad will always be in slight contact with the brake disc, resulting in an increase in the friction temperature between the disc and the pad so that the material surface of the brake pad is carbonized Hard material, resulting in minor friction abnormal sound.
 
  Solution:
 
  Take the brake lining can be polished with sandpaper, the brake pad surface carbonized material just fine enough.
 
  The new brake disc abnormal sound, it is possible that the edge of the brake disc from the ”step“ or brake disc wear, uneven surface, brake lining and brake disc in the friction when the local contact, abnormal sound.
 
  Solution: Check the brake disc before installation. If the brake disc is uneven or there is a step on the edge, replace the new brake disc or disc and install the brake disc. If the disc can not be replaced or the disc can be chamfered, then install the brake disc , This will effectively reduce the abnormal noise generated when braking. If the surface irregularities produce abnormal sound, the general run-in about 1000 km, and other brake lining and brake discs completely run-in, the abnormal sound will disappear.
 
  Brakes on the issue of abnormal sound, brake issued a sharp squeaky sound, this kind of sound is not a fault, mainly related to the brake pad material. Get a few times under the brake pad grinding this abnormal sound will be eliminated. All vehicles will have this problem, this abnormal sound does not affect the normal use of the brake system, you can not do any processing, please rest assured that you use.