I have a 2008 Chevy 1500 vortex max--138,000 miles. Took it to the dealer for state inspection--needed rear brakes. Everything fine for first couple of weeks after complete brake (new rotors, new pa...
You might try a set of softer aftermarket brake pads. Sounds like your rotors are glazing over, which could be caused by light braking effort and hard pads. You might even have the rotors turned, with just a very light dusting to resurface the rotor, not really remove much material at all.