推荐回答（4个）
我的也是有这问题，很多朋友说总泵发卡，和很多杂物，踏板行乘。还有就是踏板间隙造成，老车子就有这问题。可以从外围找找原因先朋友，，
你的煞车总磅跟卡钳分磅可能跑空气进去或是热衰退现象。
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