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What is a sway bar bushing?

A sway bar bushing is a type of bushing that is used in the suspension system of a vehicle. It connects the sway bar (also known as stabilizer bar) to the frame of the vehicle. The sway bar is a long, thin piece of metal that runs across the width of the vehicle, connecting the left and right wheels on the same axle. Its main function is to reduce the amount of body roll (leaning) that occurs during turns.

The sway bar bushing helps to isolate the sway bar from the frame of the vehicle, and also helps to reduce the transmission of vibrations and shocks from the road to the rest of the vehicle. Sway bar 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.

Worn sway bar bushings can lead to poor handling, alignment issues and uneven tire wear, which can be dangerous. It’s important to have worn sway bar bushings checked and replaced as necessary to ensure proper alignment and performance, and to maintain the safety of the vehicle. If you notice any clunking, knocking or rattling noises, especially when going over bumps or when turning, it could be a sign that the sway bar bushings are worn and need to be replaced.