VEHICLE DESCRIPTION: TRAILERS EQUIPPED WITH CERTAIN HALDEX BRAKE SYSTEM TWO AND FOUR PORT RELAY VALVES. THE VALVE MAY STICK OPEN WHEN A HIGH-PRESSURE APPLICATION IS RELEASED.
VEHICLE DESCRIPTION: TRAILERS EQUIPPED WITH CERTAIN HALDEX BRAKE SYSTEM TWO AND FOUR PORT RELAY VALVES. THE VALVE MAY STICK OPEN WHEN A HIGH-PRESSURE APPLICATION IS RELEASED.