A bushing is a type of bearing that is used in the suspension system of a vehicle. It is typically used to connect moving parts such as control arms and sway bars to the frame of the vehicle, and also to isolate these parts from each other and from the frame. The main function of a bushing is to reduce the transmission of vibrations and shocks from the road to the rest of the vehicle, which helps to improve the overall ride comfort and reduce noise and harshness inside the vehicle.
Bushings are typically made of rubber or polyurethane, both materials are known for their ability to absorb vibrations and shocks, and provide a good balance of durability and flexibility. Rubber bushings are known for their ability to provide a comfortable ride and are less noisy than polyurethane bushings. Polyurethane bushings, on the other hand, are known for their durability and resistance to wear and tear, and also provide better handling and stability than rubber bushings.
It’s important to note that bushings, like other mechanical components, can wear out over time, and may need to be replaced. Worn bushings can lead to poor handling, alignment issues and uneven tire wear, which can be dangerous. It’s important to have worn bushings checked and replaced as necessary to ensure proper alignment and performance, and to maintain the safety of the vehicle.