故障1 一辆红旗乘用车,在110km/h的高速行驶时,方向摆头,整个前部车身左右摇晃。高于或低于此车速时,乘用车摆振不明显。这种故障属于前轮共振。它与多种因素有关,如前轮定位、车轮平衡、减振器的紧固情况和阻尼特性、减振弹簧的弹力、转向横拉杆球头和下摆臂是否松旷及前轮轴承的工作状况等。首先进行四轮动平衡检查,然后试车,发现故障现象依旧。接着用大众专用工具 Failure 1 A red flag passenger car, at 110km / h high-speed driving, the direction of swinging, shaking the entire front left and right body. Above or below this speed, the passenger car shimmer is not obvious. This failure belongs to the front wheel resonance. It is related to a variety of factors, such as front wheel alignment, wheel balance, shock absorber damping and damping characteristics, damping spring elasticity, tie rod ends and lower arm is loose and the front wheel bearing working conditions Wait. First four-wheel balancing test, and then test and found the fault still. Then use the public special tools