I have a 2006 1500 quad with 5.7. with 30k miles
when I turn a tight corner there is a viberation, from the diff.anyone have an idea what it could be thanks for any help you can givebennyjon

 

30k is the point where you should be changing the differential fluid anyway, unless you tow or off road a bit, then you should have done it at 15k.
So it's the perfect time to pop open the pumpkin and have a look. If you have a LSD, odds are that at 30k you need friction modifier and you are getting chatter.
Inspect the LSD well while you're in there, although the 06+ models don't seem quite as prone to "C Clip" failure...

 

I have a 2006 ram 1500 with the lsd and have at least one of the clips broken.
During the last oil change i inspected the gears to see if there were any damaged but i didn,t find anything. Closed her up again and filles here with the correct fluid this time.
But since that moment there is a small vibration accelerating from a stop, turning left or right doesn,t make much diference.(it allmost feels like the back is slipping)
Is this the same problem? and if so what is a friction modifier?