Loud scratching
 

So the clunk went away and now it's just the scratching when I downshift it's just like some things in there or if I'm cruising in second it makes it and I give it light throttle it goes away and comes back when I let off I've heard it all the way up to 5th hear going 55 truck has no problems shifting at all feels great fluid is topped off redline mtl i waould like some input as to what it could be so I can fix it thanks!JB