HYDROGEN EMBRITTLEMENT OF SCREWS USED TO HOLD TOGETHER VALVE BODY CAUSES THE SCREWS TO BREAK OFF UNDER STRESS.
RiskTHE LOSS OF BRAKE VALVE INTEGRITY COULD CAUSE AN INCREASEIN STOPPING DISTANCE, OR LOSS OF BRAKING CONTROL IN AFFECTED TRAILERS. EITHERCONDITION COULD CAUSE AN ACCIDENT.
FixMANUFACTURER WILL REPLACE VALVES WITH DIFFERENT BODY SCREWS.