I HAVE A 1999 GMC SIERRA (NEW BODY STYLE) AND HAVE COMPLAINED ABOUT THE BRAKES SINCE I BOUGHT IT IN 2002. WHAT IT IS DOING IS THE ANTILOCK BRAKES WILL GO OFF ANYTIME I APPLY THE BRAKE AT SLOW SPEEDS AND HIT A MINOR BUMP IN THE ROAD MAKING THE ANTILOCK BRAKE TRIP AND LUNGES FORWARD LIKE I LOST MY BRAKES. I WAS INVOLVED IN AN ACCIDENT LAST YEAR WERE I REAR ENDED A MINI VAN IN PART I THINK IT WAS LACK OF BRAKES DUE TO THE ANTILOCK BRAKES NOT FUNCTIONING CORRECTLY. TWO YEARS AGO DURING A SMALL SNOW I WAS PULLING INTO PARK AT WORK AND THE ANTILOCK WAS TRIPPED AND FORCED ME INTO A DUMPSTER. THE BRAKES ARE LIKE A SPONGE IT ALMOST SCARES ME AT TIMES. THANKS FOR BEING AWARE OF THE PROBLEMS THAT GM IS HAVING WITH THE BRAKES. I SEEN THE REPORT ON THE NEWS SO I THOUGHT I WOULD TELL MY STORY, RICK