Hi, Today, while driving my sister to work I noticed my Honda sounded really strange. So when I found a place to park, I flipped the hood, I looked down at the engine and realized that it was my Crankshaft Pulley making a awful noise and shaking like crazy. Can someone please tell me what that means? Your help is greatly needed.

You don't mention what year/model, but it's not unheard of for the outer pulley to come loose from the inner. They are bonded together with rubber on some Hondas and act as a vibration damper. Other than that, I've seen improperly torqued crankshaft pulley bolts come loose and allow the pulley to walk off the end of the crank. Did you just have the T-belt done? Kevin