Volvo WG

CERTAIN HEAVY DUTY CLASS 8 TRUCKS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE TWO TAIL LAMPS, BACK-UP LAMP,AND LICENSE TAG LAMP WERE MOUNTED ON INSUFFICIENTLY RIGID MOUNTS.

ON SOME HEAVY DUTY CLASS 8 VEHICLES EQUIPPED WITH ARVINMERITOR AXLE ASSEMBLIES WHICH MAY HAVE BEEN MANUFACTURED WITH TRW MODEL 20EDL BALL SOCKETS, THE TIE ROD BALL-SOCKET BEARINGS HAVE A BELOW SPECIFICATION CASE DEPTH AND/OR HARDNESS WHICH CAN LEAD TO PREMATURE WEAR OUT OF THE SOCKET IN SOME APPLICATIONS.

VEHICLE DESCRIPTION: HEAVY DUTY 6X4 TRUCKS EQUIPPED WITH CHALMERS 800 SERIES SUSPENSION KITS. THESE SUSPENSION KITS MAY HAVE INSUFFICIENT PENETRATION OF THE WELD ATTACHING THE TORQUE ROD EYE TO THE TORQUE ROD TUBE.

VEHICLE DESCRIPTION: HEAVY DUTY, CLASS 8, TRUCKS EQUIPPED WITH TIE ROD ASSEMBLIES CONTAINING 24-DL MODEL BALL SOCKETS AND MANUFACTURED BY TRW. CERTAIN OF THE TIE ROD BALL-SOCKET BEARINGS HAVE A BELOW-SPECIFICATION CASE DEPTH AND/OR HARDNESS, WHICH CAN LEAD TO PREMATURE WEAR OF THE SOCKET.

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH ACCURIDE 22.5 X 8.25 15 TUBELESS DEMOUNTABLE RIMS, PART NO. 32051. CERTAIN RIMS CONTAIN A NON-FUSION AREA IN THE BUTT-WELD OF THE MOUNTING RING. UNDER CERTAIN CIRCUMSTANCES, THE DEFECT COULD DEVELOP INTO A CRACK ON THE MOUNTING RING.

VEHICLE DESCRIPTION: HEAVY DUTY CLASS 8 VEHICLES EQUIPPED WITH ARVINMERITOR AXLE ASSEMBLIES WHICH MAY HAVE BEEN MANUFACTURED WITH TRW MODEL 20EDL BALL SOCKETS. THE TIE ROD BALL-SOCKET BEARINGS HAVE A BELOW SPECIFICATION CASE DEPTH AND/OR HARDNESS WHICH CAN LEAD TO PREMATURE WEAR OUT OF THE SOCKET IN SOME APPLICATIONS.

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH TRW 20-EDL BALL-SOCKET ASSEMBLIES. CERTAIN OF THE BALL-SOCKET BEARINGS HAVE A BELOW SPECIFICATION CASE DEPTH AND/OR HARDNESS WHICH CAN LEAD TO PREMATURE WEAR OUT OF THE SOCKET. THESE BEARINGS WERE PRODUCED BETWEEN JULY 5 AND OCTOBER 3, 1999.

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS BUILT WITH BENDIX AIR ABS WITH AN EC-17 1030R ELECTRONIC CONTROL UNIT (ECU), THERE HAVE BEEN REPORTS OF UNWANTED ABS ACTIVATION AT LOW SPEEDS CAUSED BY 1) CHAFED ABS WHEEL SPEED SENSOR WIRES ON ROTATING PARTS OR 2) A DAMAGED COMPONENT AT THE WHEEL END THAT GENERATES A CERTAIN TYPE OF ERRATIC SENSOR SIGNAL.

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.

VEHICLE DESCRIPTION: HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH FONTAINE FIFTH WHEEL ASSEMBLIES, MODELS SL5WMS6125, SL5WMS7125, SL5WMS8125, SL5WMS9125, SL5WMS10125, SL5APM6125, SL5APM7125, SLAPM8125, SL5APM9125, SL5APM10125, SL5WMS-D, SL5APM-D, AND SL5BPS-D. IMPROPER INSTALLATION OF THE FIFTH WHEEL ASSEMBLY CAN CAUSE CRACKING OF THE FIFTH WHEEL MOUNTING PLATE.

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH A STEEL FUEL TANK. THE CLOSURE ONLY FUEL TANK CAP, INSTALLED ON THE STEEL FUEL TANK, FAILED WHEN THE TANK WAS DROPPED FROM A 10' HEIGHT AS REQUIRED BY FMVSS NO. 393, "LIQUID FUEL TANKS."

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH MERITOR AIR BRAKE AUTOMATIC SLACK ADJUSTERS. SOME OF THE AUTOMATIC SLACK ADJUSTERS HAD INSUFFICIENT TORQUE APPLIED TO THE GUIDE PAWL CAP SCREW.