I have the new one (4.60 SE). On my fourth tank of fuel something in the transmission let go.

Wondering what will break when it's broken in and leaned out.

After reading the post on how tuff these are I guess I got a lemmon.

I can't get the allen screw out of the drive shaft so I can't get the trans case apart to see what broke.

They must have used red lock-tight on the threads.

Still under warranty so I will let AE deal with it.