车型北汽绅宝X65自动,发动机更换过一次,更换时因损失部分变速箱油,4s加了大半升售后专用自动变速箱油,此后每次冷车启动怠速时就有这种异响,天很冷的时候比如气温零下则不响,车跑热了停下,再启动也不响,就是凉车启动响,而且每次响的时间长的一分钟,短的不到十秒,真是见了鬼了,请大家帮忙判断,谢谢
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