The upper and lower swing arms are important components of the automotive suspension system, each bearing specific functions and roles.
The main functions of the upper swing arm include:
Install the lower swing arm.
Install the shock absorber.
Support the vehicle body.
The main functions of the lower swing arm include:
Transfer torque.
Support the steering knuckle arm.
Buffering vibration.
Fix and support the wheels.
In general, the upper and lower swing arms work together to ensure the smoothness and safety of car driving.