VEHICLE DESCRIPTION: TRAILERS EQUIPPED WITH MERITOR RHP SUSPENSIONS. THESE TRAILERS EXCEED THE BRAKE ACTUATION AND RELEASE REQUIREMENTS OF FMVSS NO. 121, AIR BRAKE SYSTEMS.
VEHICLE DESCRIPTION: TRAILERS EQUIPPED WITH ANTILOCK BRAKING SYSTEM (ABS) ELECTRONIC CONTROL UNITS (ECU) FOR OVER-THE-ROAD TRAILER APPLICATIONS. THE COVER SEAL (O-RING) MAY HAVE BEEN IMPROPERLY INSTALLED IN CERTAIN EASY-STOP TRAILER ABS ELECTRONIC CONTROL UNITS. AN INCORRECTLY INSTALLED SEAL COULD PERMIT WATER TO ENTER THE ECU CAUSING A FAULT TO DEVELOP. THIS WILL CAUSE THE VEHICLE'S TRAILER ABS WARNING LAMP TO ILLUMINATE IMMEDIATELY WHEN THE WATER CONTACTS THE BOARD, DEACTIVATING ALL OR PART OF THE ABS.
VEHICLE DESCRIPTION: TRAILERS EQUIPPED WITH ANTILOCK BRAKING SYSTEM (ABS) ELECTRONIC CONTROL UNITS (ECU) FOR OVER-THE-ROAD TRAILER APPLICATIONS. THE COVER SEAL (O-RING) MAY HAVE BEEN IMPROPERLY INSTALLED IN CERTAIN EASY-STOP TRAILER ABS ELECTRONIC CONTROL UNITS. AN INCORRECTLY INSTALLED SEAL COULD PERMIT WATER TO ENTER THE ECU CAUSING A FAULT TO DEVELOP. THIS WILL CAUSE THE VEHICLE'S TRAILER ABS WARNING LAMP TO ILLUMINATE IMMEDIATELY WHEN THE WATER CONTACTS THE BOARD, DEACTIVATING ALL OR PART OF THE ABS.
THE ATTACHMENT MECHANISM CONNECTING THE REAR WHEEL ASSEMBLY TO THE FRAME MAY FAIL.
THE ATTACHMENT MECHANISM CONNECTING THE REAR WHEEL ASSEMBLY TO THE FRAME MAY FAIL.
THE ATTACHMENT MECHANISM CONNECTING THE REAR WHEEL ASSEMBLY TO THE FRAME MAY FAIL.
THE ATTACHMENT MECHANISM CONNECTING THE REAR WHEEL ASSEMBLY TO THE FRAME MAY FAIL.
THE ATTACHMENT MECHANISM CONNECTING THE REAR WHEEL ASSEMBLY TO THE FRAME MAY FAIL.
AN INCORRECT RATIO RELAY VALVE WAS INSTALLED IN THE BRAKE SYSTEM AND THE PRESSURE PROTECTION VALVE WAS INSTALLED INCORRECTLY.
AN INCORRECT RATIO RELAY VALVE WAS INSTALLED IN THE BRAKE SYSTEM AND THE PRESSURE PROTECTION VALVE WAS INSTALLED INCORRECTLY.
CRACKS HAVE DEVELOPED IN SOME LOCKING PIN HOUSINGS WHICH LOCKS THE ADJUSTABLE TANDEM TRAILER AXLE. CONSEQUENCE OF DEFECT: CRACKS IN THE LOCKING PIN HOUSING COULD CAUSE IMPROPER LOCKING, AND THE SLIDING TANDEM MAY SEPARATE WITHOUT WARNING WHEN BRAKES ARE APPLIED. THIS COULD RESULT IN A VEHICLE ACCIDENT.
THE TRAILERS HAVE INCORRECT CONNECTIONS BETWEEN THE SUPPLY LINE AND THE DOLLY. THIS IMPROPER CONNECTION PREVENTS THE DOLLY AND FULL TRAILER FROM HAVING THE ABILITY TO PERFORM EMERGENCY BRAKING OR PARKING BRAKE FUNCTIONS.
THE TRAILERS HAVE INCORRECT CONNECTIONS BETWEEN THE SUPPLY LINE AND THE DOLLY. THIS IMPROPER CONNECTION PREVENTS THE DOLLY AND FULL TRAILER FROM HAVING THE ABILITY TO PERFORM EMERGENCY BRAKING OR PARKING BRAKE FUNCTIONS.