A:The chassis components of the car are often not easy to attract the attention of the driver during the maintenance of the vehicle. The chassis components such as the dust cover cracking and oil leakage of the tie rod end,rack end ,ball joint and stabilizer link will aggravate the ball joint wear, resulting in the vehicle's handling, comfort, safety and the like being reduced during use. More seriously,it will Cause a vehicle accident.In fact, these faults can be prevented and detected when using or maintenance.For example, when you drive your car in bumpy road, you will make a “squeaky” noise on the chassis .When the steering wheel feels relatively free and has a loose feeling, it is usually caused by the wear of the tie rod end ; of course, the wear of the chassis suspension or Steering gear will also cause abnormal noise, if you can not judge the fault , it is recommended that you go to the repair station for a test run to eliminate potential hazards and avoid potential hazards to your driving safety.