What can cause clunking while driving?
Here are some of the potential causes for a clunking noise when going over bumps: Bad control arm bushings. Damaged ball joints. Worn out struts. via
What does a bad front shock sound like?
Unusual noises – When shocks and struts are worn out you may hear a clunking or knocking sound. This sound is caused by metal-to-metal contact when the shock or strut bottoms out when hitting a bump. In addition, these noises could be a result in worn shock or strut mounting components. via