Ok guys... as before the truck seems to start squeaking once the rotors get hotbut now they squeak even when the brakes are applied... and to add to that now once ive driven about 15 miles there is an odd squeeling maybe light grinding sound? it almost sounds like the noise when your ears are ringing.

Ive been to two mechanics and neither can find anything wrong we have tried test for the wheel bearing they are all fine, they say the rotors look good... i dont know i am lost and it is really bothering me...please help me asap... THANKS in advance