1, the handling and comfort are reduced.

2. The safety performance drops.

3. Abnormal sound.

4, positioning parameters are not allowed, deviation, and cause other parts wear or damage (such as tire wear).

5. Steering is affected or even out of order.

The seemingly simple suspension system of automobile lower arm integrates various forces, which determines the stability, comfort and safety of automobile, and is one of the key components of modern automobile.