What is lower arm bush?
Bushings are used in control arms, shock absorber mounts, stabilizer bars, stabilizer links, engine and transmission mounts, and other suspension and steering components. Bushings have a function similar to cartilage in joints of the body. Worn or damaged cartilage results in bone on bone contact and discomfort. via
Can you drive with worn bushings?
A slightly worn bushing will not make the vehicle undrivable, but since steering and suspension parts can be expensive to replace, it is important to install new bushings at the first sign of deterioration. If there is metal-to-metal scrapping, replace the bushing immediately. via