SERVICE BRAKES, AIR
VEHICLE DESCRIPTION: CERTAIN TRACTORS FAIL TO COMPLY WITH FMVSS NO. 121, "AIR BRAKE SYSTEMS." THE AIR LINES MAY NOT BE ROUTED PROPERLY TO THE DRIVE AXLE SERVICE BRAKE RELAY.
Remedy: DEALERS WILL INSPECT FOR CORRECT AIR LINE ROUTING AND REROUTE IF NECESSARY.
83 vehicles affected
PARKING BRAKE
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH HALDEX MANIFOLD DASH VALVES (MDV) USED IN TRACTOR AND TRAILER PARKING BRAKES. THESE VALVES DO NOT MEET THE REQUIREMENTS OF FMVSS NO. 121, "AIR BRAKE SYSTEMS." A LOSS OF THE ISOLATION OF THE TWO BRAKE SYSTEM CIRCUITS CAN RESULT IN THE LOSS OF SERVICE BRAKES WHEN THERE IS ANOTHER FAILURE OF ONE OF THE TWO BRAKE CIRCUITS.
Remedy: A REPLACEMENT VALVE WILL BE PROVIDED TO OWNERS WITH INSTALLATION INSTRUCTIONS.
33 vehicles affected
STEERING
VEHICLE DESCRIPTION: TRUCKS WITH STEERING LINKAGES CONVERTED TO STAND-UP RIGHT-DRIVE BY FONTAINE MODIFICATION COMPANY. THESE VEHICLES HAVE A STEERING CROSS SHAFT THAT CONNECTS THE RIGHT SIDE STEERING COLUMN TO THE LEFT SIDE STEERING COLUMN, WITH A MITER BOX, AND U-JOINT AT EACH SIDE. THE CROSS SHAFT, MITER BOX SHAFT, AND U-JOINT HAVE KEYWAYS AND THE U-JOINT HAS A SET SCREW AT BOTH CONNECTIONS. THE KEYS CAN WORK LOOSE AND FALL OUT.
Remedy: DEALERS WILL INSTALL NUTS AND BOLTS THROUGH THE UNIVERSAL JOINT ENDS AND SHAFTS WHICH WILL CREATE A POSITIVE LOCK BETWEEN THE STEERING GEAR BOXES.
224 vehicles affected
STEERING: STEERING WHEEL/HANDLE BAR
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH DUAL STEERING. THE STEERING COLUMN PINCH BOLTS MAY BE UNDER-TORQUED OR MISSING.
Remedy: DEALERS WILL INSPECT FOR THE PRESENCE OF THE REQUIRED FASTENERS, INSTALL FASTENERS IS MISSING, AND RETORQUE TO SPECIFICATIONS.
666 vehicles affected