Its a big piece of soft rubber tht acts as a vibration dampener....allowing ur engine to vibrate freely without vibrating the whole body....the entire engine is supported by several pieces...therefore getting the name engine mounting

after time....the rubber deterioriat....causing it to harden and sometimes cracks in more severe cases...thus losing the dampening properties...and ur car will rattle ur nerves out

This post has been edited by radioactive: Dec 28 2006, 01:50 AM