Hazard description
VEHICLES BUILT BETWEEN FEBRUARY 17, 1975 AND JULY 1, 1976, AND EQUIPPED WITH AIR BRAKES AND AN OPTIONAL KELSEY-HAYES ANTI-LOCK FEATURE. INTERMITTENT FIRING OF THE AIR BRAKE RELEASE VALVE CAN RESULT IN AN UNEXPECTED INCREASE IN VEHICLE STOPPING DISTANCE.+ CHASSIS EQUIPPED WITH 122 AIR BRAKES. INTERMITTENT FIRING OF THE AIR BRAKE RELEASE VALVE CAN RESULT IN AN UNEXPECTED INCREASE IN VEHICLE STOPPING DISTANCE.