your gonna have to put it on jacks, put it in like 4-low, and in first so it crawls and see if you can jump out and find the area its coming from. that dont really make since that it only does it when its moving but yet some how it dont change pitch with the speed

 

The front driveshaft has a center bearing between the 2 joints on the rear that will wear out and squeak ! Take it out and check that !

 

I will check that thank you,

 

Just need to clarify are talking about the one that is the size of a quarter with a spring behind it?

 

That'd be it.