一辆 GL661B 客车(CA15底盘),前轮在平坦道路上行驶正常,在坑洼不平的路面行驶时则出现严重振摆。车身摇晃,乘客惊恐不安,司机双臂被方向盘震疼难忍。检查该客车前桥部分行走机构,发现左前钢板总成前座松旷严重,拆下第1片钢板看到其卷耳衬套上半爿早已磨光,与之相配的前钢板销也被卷耳磨出约5mm 深台。这一上一下使左纵梁随左前钢板前座一起下沉约10mm; A GL661B passenger car (CA15 chassis), the front wheel on a flat road to normal, rough potholes in the road when driving a serious swing. Body shaking, passengers panicked, the driver arms shocked by the steering wheel unbearable. Check the front part of the bus walking mechanism and found the front seat of the front left the Song Kuang serious steel plate, remove the first piece of steel to see the roll ear bushing has been polished on the first half, matching the front plate pin also ear roll Grind out about 5mm deep Taiwan. This up and down so that the left longitudinal beam with the left front plate together with the front seat sink about 10mm;