北京现代索纳塔和依兰特轿车,在行驶中踩制动踏板或转向时前部经常会发出“嘎嘎”异响声。一般情况下产生异响的原因是,上托臂上的紧固螺母没有拧紧,造成轿车在制动或转向时该部分窜动。 Beijing Hyundai Sonata and Yilante sedan, when traveling on the brake pedal or turn the front often issue “quack” abnormal sound. Under normal circumstances the reason for the abnormal noise is that the tightening nut on the carrier arm is not tightened, resulting in the car brake or steering when the part of the movement.