Suspension bushings are cushions made of rubber and polyurethane and are mounted on the steering joints to absorb road bumps and minimize vibrations and noise. One of the primary causes of a faulty sway bar is a worn-out bushing, which may create popping, squeaking, or knocking noises near t...
While the sway bar tends to have few problems, the links and bushings are in constant motion under push and pull forces. Eventually, links and bushings wear and loosen, leading to clunking noises on uneven bumps. Straight-on speed bumps shouldn’t agitate a loose bushing or link, but a ma...