先自测: 1. 车胎两边磨损率应相当; 2. 车胎两边胎压一致; 3. 找没人地儿,方向盘打直,放手,看车跑出多远跑偏。如果百米开外,则不用做。 一般在换过Ball joint, tie rod end, bearing hub, control arm, Spring and strud, 等底盘部件后才做alignment.