THE FUEL TANK FILLER PIPES WERE NOT MANUFACTURED TO SPECIFICATION WHICH CAUSED LOSS OF FUEL BETWEEN THE FUEL TANK FILLER PIPE AND THE VENT TUBE DURING A TEST. THE LOSS OF FUEL WAS IN EXCESS OF THE AMOUNT PERMITTED BY FMVSS NO. 301, "FUEL SYSTEM INTEGRITY."
CONSEQUENCE OF NON-COMPLIANCE: IF A VEHICLE CRASH WERE TO OCCUR, IT MAY CAUSE THE JOINT BETWEEN THE FUEL TANK FILLER PIPES AND THE VENT TUBE TO CRACK. IF THE VEHICLE OVERTURNED, FUEL LEAKAGE WOULD OCCUR, WHICH COULD RESULT IN A POST-CRASH FIRE.
DEALERS WILL REPLACE THE FUEL FILLER PIPE ON THESE VEHICLES.
SYSTEM: FUEL; FUEL TANK ASSEMBLY; PIPE; FILLER; NECK.VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS.NOTE: IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND THE REMEDY IS NOT PROVIDED WITHIN A REASONABLE TIME AND FREE OF CHARGE OR THE REMEDY DOES NOT CORRECT THE DEFECT OR NONCOMPLIANCE, PLEASE CONTACT CHEVROLET SERVICE CENTER AT 1-800-222-1020 OR GMC SERVICE CENTER AT 1-313-456-4547. ALSO, CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.