The rear shock absorbs a good amount of the shock and bounces while driving to give you a more comfortable ride. Over the years, the road takes a serious toll on your suspension. Potholes, speed bumps, and road hazards all contribute to a sloppy, weak suspension. A bumpy ride on a suspension that bottoms out over small bumps is an indication that your strut may have reached the end of its life. Replace your struts to restore your ride comfort and performance.