My belt fell off my 3.8 liter town & country van and its xmas eve my mama is waitting for us and there is no diagram and i cant figure it out... so please i need a serpentine belt diagram thank you..

Here is a diagram for your belt routing http://www.freeautomechanic.com/chrysler-3.8-belt-routing.pdf

Tried to post pic here but was too large a file, so folloe the link and this will get you what you asked for.

For the main fan belt digram, go to this web site and look for your model / W (engine) for your engines belt routing... Dayco. you will be looking at a PDF file. Check for your model number and then look for its diagram at the bottom.