How to judge whether the brake disc needs to be replaced

by:FUSAI     2020-05-12
Whether the brake disc needs to be replaced, many car owners do not know how often they need to replace the brake disc of their car, how to judge whether the brake disc needs to be replaced, the following editor summarizes 3 points for you, I hope to help you: 1. Listen to the sound: If the sound of 'iron rubbing iron' or the clamor is accompanied by the light tapping of the brake, the brake pads should be replaced as soon as possible. Because the limit marks on both sides of the brake pads have directly rubbed the brake disc, it proves that the brake pads have exceeded the limit. In this case, it is necessary to cooperate with the inspection of the brake disc when replacing the brake pad. When this sound occurs, the brake disc is often damaged and scratches appear. At this time, even if the new brake pad is replaced, the sound cannot be eliminated. It is recommended to promptly Replace the brake disc. 2. Normally, whether the warning light of the brake disc on the instrument panel is on is used as the basis for judging whether the brake disc should be replaced or not. Generally, the indicator light is extinguished. When the brake disc is faulty or excessively worn, the light is on, and it goes out after repair. When the warning light is on, the brake disc has been worn to the limit, and the braking effect has decreased, which greatly affects driving safety. Therefore, it is recommended to regularly check the brake disc wear condition to see if it can be used, rather than just trust the warning light. 3. Look at the thickness: Most brake disc products have wear indicators, that is, there will be 3 small pits on the surface of the disc. Use a vernier caliper to measure the depth of the small pit is 1.5mm. In other words, the total depth of wear on both sides of the brake disc reaches 3mm. The above is a timely introduction on how to determine whether the brake disc needs to be replaced. Do you understand? I hope it will help you. Our company sincerely welcomes you!
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