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Vehicle brake pedal travel is too large, braking effect is slow, braking performance is very low or even lost, braking distance increases.
cause of issue:
1. Insufficient brake oil pressure. (Brake master cylinder lacks oil, rupture of brake line, leakage of oil pipe joints, and blockage of oil line).
2. There is air in the brake system.
3, brake pedal free stroke or brake gap is too large, brake shoe friction plate bad contact, serious wear or greasy.
4, brake master cylinder, wheel cylinder piston and cylinder tube wear or strain, aging damaged leather cup.
Troubleshooting:
1. Depress the brake pedal continuously, such as if the pedal is gradually raised and has a feeling of elasticity, but it is still low when the pedal is paused for a moment and then the pedal is depressed, that is, there is air in the brake system. At this time, the brake system should be arranged. gas.
2. One foot brake is not working, but the braking effect is good when the pedals are pressed several times in succession. Generally, the free travel of the brake pedal is too large or the brake clearance is too large. The free travel of the pedal should be adjusted, then the brake clearance should be checked and the brake disassembled if necessary.
3, when the brake pedal is depressed, it is not weak or sink, but it is a bad braking effect. This phenomenon is a wheel brake failure, such as brake shoe oil or poor contact, friction plate aging, wear, brake drum wear Uneven. Check the condition of brake technology, adjust and repair if necessary
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WUQIANG HONGMA TOOLS MANUFACTURE CO., LTD , https://www.zjhongma-tool.com