Help Please! Car Making Weird Sound.

[adrianlol]

Its a 2007 4.0 v6 90k miles it started making this sound about 3 weeks ago
Here is a video
http://bit.ly/1k92hlv

 

[Dino Dino Bambino]

Hard to tell. Probably better if you ask someone else to start the car for you while you listen over the engine to localize the noise.