一辆奔驰500SEL 车来我厂维修,主要毛病是:在高低不平的路上行驶,底盘有松旷异响。经检查,认为是下悬挂球头(由于防尘套老化破裂失效)磨损引起松旷。驾驶员要求更换上悬挂、下悬挂、横拉杆内外球头并对四轮轴头进行保养。我们根据驾驶员的要求,进行了底盘二级维护,更换了球头,并做了轮胎换位。出厂前,在高低不平路上试车,松旷异响消除。 A Mercedes-Benz 500SEL car to our factory maintenance, the main problems are: driving in rough roads, the chassis has loose sound. After examination, that is under the hanging ball (due to dust jacket aging rupture failure) caused by wear loose Kuang. The driver asked to replace the suspension, under the suspension, crossbar inside and outside the ball head and the four-wheel shaft head maintenance. According to the driver’s request, we carried out the second-level chassis maintenance, replacement of the ball, and made the tire changeover. Before leaving the factory, on the rugged road test, Song Kuang abnormal sound elimination.