One problem related to brake loud noise has been reported for the 2003 Chevrolet Trailblazer. The most recently reported issues are listed below.
When depressing the brake pedal, the brakes failed to respond to pedal application until almost touching the floorboard. Vehicle was traveling 55-60 mph when it was involved in a crash. There was a loud noise which was related to the brake dragging in the rear into the retaining wall, then to the left retaining wall of the right rear wheel and the tire suspension axle housing broke. The disk and rotor needed to be replaced, the left tire went flat. After repair the consumer heard a dragging sound and the vehicle had come to a stop. The consumer viewed a blue colored smoke along with a smell coming from the brakes. Currently when turning left or right the dragging sound is heard on the right side.