I APPROACHING A STOP LIGHT AT AN INTERSECTION AND THE BRAKE PEDAL WENT TO THE FLOOR WITH LITTLE TO NO STOPPING POWER.I WAS FORCED TO DRIVE OFF THE ROAD INTO A DIRT EMBANKMENT.I WAS LUCKY IT WAS 5:45AM AND LIGHT TRAFFIC AS I WOULD HAVE HIT ANY VEHICLE IF THERE WAS ONE STOPPED IN FRONT OF ME.THE CAUSE OF THE LOSS OF BRAKES WAS RUSTED FRONT BRAKE LINE THAT BURST WITHOUT WARNING.THESE TRUCKS SHOULD BE RECALLED AS MY MECHANIC HAS REPAIRED MANY CHEVY/GMC TRUCKS OF THIS VINTAGE WITH THE SAME RUSTED BRAKE LINE PROBLEMS. *JS