The purpose of automobile tie rod is an important connector to link the two rear wheels of automobile. It connects the left and right steering arms. One can synchronize the two wheels, and the other can adjust the toe in. It is also an important part to ensure the safe driving of automobile.

The functions of automobile vertical pull rod are as follows:

1. The tie rod of the rear axle is located in the rear axle of the car, which is an important connector to link the two rear wheels of the car, and also an important part to ensure the safe driving of the car;

2. The longitudinal tie rod of automobile rear axle is used to stabilize the rear axle. The rear axle refers to the bridge behind the car;

3. If the front axle is not the drive axle, then the rear axle is the drive axle. At this time, in addition to the bearing function, it also plays the role of driving, deceleration and differential. If it is four-wheel drive, it is generally equipped with a transfer gear in front of the rear axle.