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1.方向不稳(1)现象。车辆在行驶中,方向盘抖动,前轮摇摆,严重时方向盘难于控制。(2)原因。横、直拉杆的球节磨损松旷;转向节主销与衬套磨损严重,配合间隙过大;前轮轴承松旷;转向器蜗杆与滚轮的啮合间隙过大;蜗杆上、下轴承间隙过大等。若低速行驶时,前轮摇摆不明显,但快速行驶时前轮摆动,方向盘抖动,除上述原因外,还可能有:前轮辋拱曲;轮胎
1. Unstable direction (1) phenomenon. When the vehicle is driving, the steering wheel is shaking, the front wheel is swaying, and the steering wheel is hard to control in severe cases. (2) reasons. Horizontal and straight rod ball joint loose Songkuang; steering knuckle kingpin and bushings serious wear, with the gap is too large; front wheel loose bearings; steering gear worm and the wheel meshing gap is too large; worm upper and lower bearing clearance Big and so on. If the low speed driving, the front wheel swing is not obvious, but the front wheel swinging fast, steering wheel jitter, in addition to the above reasons, may also have: the front rim arch; tires