NHTSA Complaint #10947876 — 2004 GMC SIERRA 1500

ON JANUARY 24, 2017 TRAVELING ON PA TURNPIKE AT POSTED SPEED LIMIT OF 70MPH, WHEN I APPLIED BRAKES TO SLOW WHEN APPROACHING SLOWER VEHICLES. BRAKE PEDAL WENT TO THE FLOOR AND VEHICLE ALMOST RAN INTO THE REAR OF SLOWER VEHICLES. METAL BRAKE LINE RUPTURED ABOVE LEFT FRONT WHEEL. WHEN INSPECTED, ALL BRAKE LINES EXHIBITED EXTREME RUST/CORROSION TO THE POINT OF FLAKING AND THINNING. THIS IS AN EXTREME SAFETY ISSUE WHICH COULD HAVE RESULTED IN A MAJOR COLLISION AND WOULD HAVE INJURED OR KILLED OCCUPANTS. THIS PROBLEM IS A MAJOR KNOWN SAFETY DEFECT AND NEEDS TO BE REMEDIED BY GM.