一辆中巴车,飞轮壳内出现异常响声,由于响声是停驶不响行驶响,并且踏离合器踏板响声无变化。根据故障现象,拆下离合器检查,发现变速器第一轴导向轴承走外圆,其它部件均正常。更换轴承装复离合器,路试,响声仍未消除。为了查出发响部位,几次将车停于平地架起后桥,起动发动机到车下查听,一直没有响声出现,但只要路试,飞轮壳内就发出时有时无的响声。 A Pakistani car, flywheel shell abnormal noise, because the noise is not stopping ringing, and the pedal pedal sound no change. According to the fault phenomenon, remove the clutch check and found that the first axis of the transmission to take the outer cylindrical guide, the other components are normal. Replace the bearing loaded clutch, road test, the sound has not been eliminated. In order to detect the rumor site, several times the car parked in the ground after the erection of the bridge, starting the engine to the car to find out, there has been no noise, but as long as the road test, the flywheel housing sometimes issued no sound.