制动蹄前端上下间隙不同的校正解放和东风等中型汽车，有时会因制动蹄前端的上、下间隙不符，导致汽车制动不良或制动跑偏。此时通过制动鼓检视孔观察检测，如果制动蹄前端偏上，就会导致前端下侧间隙大；制动蹄前端偏下，便形成前端上侧间隙大。排除制动蹄偏移故障，可通... Brake shoes front and back up and down the gap between the different liberation and adjustment of the liberation of medium-sized cars, and sometimes due to brake shoe front and rear gap does not match, leading to poor car braking or braking deviation. At this point through the brake drum inspection hole observation and detection, if the brake shoe side up, it will lead to the front of the lower side of the gap; brake shoe front down, will form the front side of the upper gap. Excluding brake shoe offset failure, pass ...