Rear end knocking and grinding

Howdy y'all so about a week ago I towed my boat and a week after every time I turn there's a knock in the rear in the center. So I went to a parking lot and did a circle at full turn and it was binding up real bad about half way. I'm assuming it's the rear diff. Any info would be helpful
 
Howdy y'all so about a week ago I towed my boat and a week after every time I turn there's a knock in the rear in the center. So I went to a parking lot and did a circle at full turn and it was binding up real bad about half way. I'm assuming it's the rear diff. Any info would be helpful
Do you have e-locker?
By rear center you mean the dif, I guess?
Did you use the locker while pulling the boat? Or any other heavy loads on a hard surface?
Sounds very unfortunate and probably dif related...
Let us know what you figure out!
 
Yea it sounded like something was unstrapped in the back hitting my bed every turn but I have the lsd. No locker cus it's the sport.
What year is your truck?
Some have true clutched LSD, others have brake actuated "lsd".
One needs friction modifier added to gl5, the other doesnt.

Did u check your leaf pack for any snapped leafs?
 
What year is your truck?
Some have true clutched LSD, others have brake actuated "lsd".
One needs friction modifier added to gl5, the other doesnt.

Did u check your leaf pack for any snapped leafs?
It's a 2011 but ill check the leafs. They should be good I just got the old man emu heavy duty ones like 3 months ago
 
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