Fault symptom table故障现象表
Using the chart below will help you find the cause of the problem, inspect each component in order, and repair or replace if necessary.使用下表将有助于找到问题的起因，按顺序检查每个部件，需要时维修或更换。
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No.序号
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Failure symptoms故障症状
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Possible reasons可能原因
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Solution解决办法
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1
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Poor braking effect制动效果差
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1. There is air in the brake hydraulic system1.制动液压系统有空气
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Brake system exhaust制动系统排气
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2. The oil pipe joint is loose or the oil pipe leaks oil2.油管接头松动或油管渗油
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Tighten the oil pipe nut or replace the brake oil pipe紧固油管螺母或更换制动油管
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3. The brake line is blocked3.制动管路堵塞
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Replace brake oil pipe更换制动油管
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4. The brake master cylinder and wheel cylinder piston rubber bowls are deformed, aged, damaged or swollen and stuck.4.制动总泵、分泵活塞胶碗变形、老化、破损或发胀卡住
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Replace brake master cylinder and brake caliper assembly更换制动总泵、制动卡钳总成
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5. The friction plate is seriously worn, the surface is hardened, and there is oil stains5.摩擦片磨损严重，表面硬化、有油污
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Replace the friction plates (replace a total of 4 pieces of left and right wheels at the same time)更换摩擦片(左右轮共4片同时更换)
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6. Brake pedal stroke is too large6.制动踏板行程过大
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Adjust the brake pedal stroke or replace the friction plates (replace a total of 4 pieces on the left and right wheels at the same time)调整制动踏板行程或更换摩擦片(左右轮共4片同时更换)
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8. Insufficient brake fluid or blocked brake pipes8.制动液量不足或制动管路不畅通
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Fill brake fluid or replace brake lines加注制动液或更换制动管路
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9. The cylinder bores of the brake master cylinder and slave cylinder are severely worn.9.制动总泵、分泵的缸孔磨损严重
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Replace brake master cylinder and brake caliper assembly更换制动总泵、制动卡钳总成
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10. The piston of the wheel cylinder/caliper is stuck and cannot move.10.分泵活塞卡死，不能移动
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Replace brake caliper assembly更换制动卡钳总成
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11. The brake disc is seriously warped and deformed.11.制动盘翘曲变形严重
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Replace brake disc更换制动盘
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2
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Brake blocking制动器阻滞
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1. The parking brake cannot be completely separated1.驻车制动不能完全分离
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Replace rear brake caliper assembly更换后制动卡钳总成
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2. The brake pipeline is blocked and the oil return is not smooth.2.制动管路堵塞，回油不畅
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Replace brake lines or replace brake fluid更换制动管路或更换制动液
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3. The brake master cylinder or wheel cylinder piston is stuck and cannot return to its original position.3.制动总泵或分泵活塞卡滞,不能回位
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Replace brake master cylinder and brake caliper assembly更换制动总泵、制动卡钳总成
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4. The brake disc is severely warped and deformed.4.制动盘严重翘曲变形
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Replace brake disc更换制动盘
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5. Brake caliper is loose or out of adjustment5.制动钳松动或失调
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Replace brake caliper assembly更换制动卡钳总成
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6. Brake caliper movement is sluggish and stuck.6.制动钳活动呆滞、发卡
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Replace brake caliper assembly更换制动卡钳总成
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7. The brake pads are cracked or deformed7.制动摩擦片开裂或变形
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Replace friction plate更换摩擦片
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8. The brake friction pad is stained with dirt.8.制动摩擦片粘有污物
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Replace friction plate更换摩擦片
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3
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Brake failure制动失效
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1. Too little brake fluid1.制动液过少
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Top up brake fluid加注制动液
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2. The brake pipe is damaged or loose2.制动管路破损或松脱
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Replace brake line更换制动管路
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3. There is air in the brake hydraulic system3.制动液压系统有空气
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Brake system exhaust制动系统排气
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4. The brake master cylinder or wheel cylinder seal fails4.制动总泵或分泵密封件失效
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Replace brake master cylinder and brake caliper assembly更换制动总泵、制动卡钳总成
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5. ESP control unit failure5. ESP控制单元失效
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Replace ESP control unit更换ESP控制单元
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6. The mechanical connection part falls off6.机械连接部分脱落
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Repair or replace damaged parts检修或更换损坏部件
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4
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There is abnormal noise in the brakes制动有异响
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1. The brake caliper sliding sleeve is poorly lubricated.1.制动钳滑套润滑不良
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Repair the brake caliper sliding sleeve or replace the brake caliper assembly检修制动钳滑套或更换制动钳总成
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2. The anti-noise clip is installed incorrectly2.防噪音夹子安装不正确
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Replace brake caliper assembly更换制动卡钳总成
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3. Excessive friction plate wear3.摩擦片磨损过度
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Replace the friction plates (replace a total of 4 pieces of left and right wheels at the same time)更换摩擦片(左右轮共4片同时更换)
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4. Brake calipers, suspension systems, and bushings are loose4.制动钳、悬架系统、衬套松动
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Inspect braking and suspension systems and replace damaged parts检修制动、悬架系统，并更换损坏部件
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5. The thickness difference of the brake disc is too large5.制动盘厚度差过大
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Replace brake discs with excessive thickness differences更换厚度差过大的制动盘
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5
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Braking deviation制动跑偏
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1. There is a big difference in tire pressure between the left and right wheels.1.左、右车轮轮胎气压相差较大
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Supplement and discharge to standard air pressure value补充、排放至气压标准值
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2. The gap between the left and right wheel friction plates and brake discs is quite different.2.左、右车轮摩擦片与制动盘之间的间隙相差较大
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Repair brake calipers and friction plates, and replace excessively worn or damaged parts检修制动卡钳与摩擦片，更换磨损过大或损坏的部件
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3. Some friction plates are seriously worn, hardened or have poor contact.3.个别摩擦片磨损严重、变硬或接触不良
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Replace friction plate更换摩擦片
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4. Some friction plates are stuck with organic oil or grease.4.个别摩擦片粘有机油或油脂
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Replace friction plate更换摩擦片
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5. Front wheel positioning is inaccurate5.前轮定位失准
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Adjust wheel alignment调整四轮定位
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6. The suspension guide mechanism is seriously deformed6.悬架导向机构严重变形
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Overhaul the suspension system and replace damaged parts检修悬架系统并更换损坏部件
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6
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Brake disc is abnormally hot制动盘异常发热
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1. The brake pedal stroke is too small1.制动踏板行程过小
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Replace brake caliper assembly更换制动卡钳总成
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2. Brake master cylinder and wheel cylinder piston stuck2.制动总泵、分泵活塞卡滞
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Repair or replace brake master cylinder and brake caliper assembly检修或更换制动总泵、制动卡钳总成
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3. The friction plate is installed incorrectly3.摩擦片安装不正确
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Repair or replace friction discs检修或更换摩擦片
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