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Time:2022-12-22 16:16:29Source:
故障现象:
一辆全新途观,车辆行驶中后排座椅处有异响。
故障诊断与排除:
通过检查证实了客户所描述的现象,异 响来自第二排座椅导轨。拆卸第二排座椅,确认座椅导轨间隙 过小(图 5),内轨与外轨涂装表面存在摩擦痕迹(图6)。 经证实,此问题属于汽车出厂问题,座椅内外导轨铆接后 左右间隙有偏差,行驶中产生摩擦异响,更换有异响的座椅导 轨,故障排除。全新途观生产线自 2016 年 12 月 1 日起,后 排座椅导轨零件状态已优化。座椅导轨生产日期标注见零件 标签(图7)。
图 5 导轨间隙过小
图 6 导轨表面的摩擦痕迹
图7 座椅导轨生产日期标签
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