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故障现象一辆奇瑞A5车,累计行驶里程约为5万km,车辆起步时车辆前方会发出异响。故障分析根据用户描述的故障进行试车,试车过程中发现车辆直线行驶起步时未产生异响;车辆转向盘偏离直线行驶方向(转向盘转过30°～60°)起步或倒车时,能明显听到车辆前部有异响;车辆正常行驶转弯时也同样有异响,转向后再次回转时也有异响传出。
Symptom A Chery A5 car, the cumulative mileage of about 50,000 km, the vehicle starts when the front of the vehicle will be issued abnormal sound. Failure Analysis According to the user described the failure of the test, the test found that the vehicle did not start when the straight-line start running abnormal sound; vehicle steering wheel deviation from the direction of straight line (steering wheel turned 30 ° ~ 60 °) start or reverse, There is abnormal sound to the front of the vehicle; when the vehicle is in normal turning, it also has abnormal noise, and there is abnormal sound when the vehicle turns back again.