GENERAL MOTORS issued a recall on multiple vehicle models

THE REAR BRAKE SYSTEM BRAKE PIPE FROM THE MASTER CYLINDER TO THE PROPORTIONER VALVE ON THESE VEHICLES MAY BE CONTACTING THE AIR CLEANER RESONATOR BRACKET. OVER AN EXTENDED PERIOD OF OPERATION, THE BRAKE PIPE COULD WEAR THROUGH SUFFICIENTLY TO CAUSE A LOSS OF BRAKE FLUID AND A PARTIAL LOSS OF BRAKING ACTION. IF A VEHICLE HAPPENS TO BE IN MOTION AT A TIME WHEN MINIMUM STOPPING DISTANCE IS REQUIRED, THIS CONDITION COULD RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING. MODELS EQUIPPED WITH 5.7 L. V-8 DIESEL ENGINES.