1999 Kenworth C500 problems

Defect

CERTAIN TRUCKS EQUIPPED WITH MERITOR P 18X7 BRAKES WITH 36" BRAKE CHAMBERS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD (FMVSS) NO. 121, "AIR BRAKE SYSTEMS." THESE TRUCKS WERE MANUFACTURED WITH A COMBINED AIR RESERVOIR VOLUME LESS THAN 12 TIMES THE COMBINED VOLUME OF ALL SERVICE BRAKE CHAMBERS.

Consequence

THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.

Remedy

DEALERS WILL ADD AN ADDITIONAL TANK OR CHANGE ONE OF THE EXISTING AIR TANKS TO A LARGER SIZE. OWNER NOTIFICATION BEGAN ON MAY 5, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT KENWORTH AT 1-425-828-5440.

Defect

HEAVY DUTY TRUCKS EQUIPPED WITH TRW TIE ROD ENDS ON CERTAIN ARVINMERITOR AND DANA AXLES. PETERBILT WILL RECALL 1,434 VEHICLES EQUIPPED WITH ARVINMERITOR AXLES MANUFACTURED FROM DECEMBER 11, 1999, TO MAY 14, 2000, AND FROM JULY 22 TO SEPTEMBER 30, 2000. KENWORTH WILL RECALL 859 VEHICLES EQUIPPED WITH ARVINMERITOR VEHICLES MANUFACTURED FROM DECEMBER 11, 1999, TO MAY 23, 2000, AND FROM JULY 27, 2000, TO SEPTEMBER 30, 2000 AND KENNWORTH WILL RECALL AN ADDITIONAL 4,151 VEHICLES EQUIPPED WITH DANA AXLES AND MANUFACTURED FROM JUNE 23 TO DECEMBER 6, 1999, AND FROM MAY 23 TO SEPTEMBER 30, 2000. THE TIE ROD AND DRAG LINK BALL STUD ENDS CONTAIN BEARINGS THAT ARE BELOW THE SPECIFIED CASE DEPTH AND/OR HARDNESS.

Consequence

THIS CAN LEAD TO PREMATURE WEAR WITH POSSIBLE SEPARATION OF THE BALL STUD FROM THE SOCKET, INCREASING THE RISK OF LOSS OF CONTROL OF THE VEHICLE.

Remedy

DEALERS WILL REMOVE AND REPLACE ALL AFFECTED TIE RODS AND DRAG LINKS WITH DIFFERENT DESIGNED ENDS. OWNER NOTIFICATION BEGAN JULY 15, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT PETERBILT AT 1-940-591-4201 OR KENWORTH AT 1-425-828-5440.

Defect

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH TRW TIE ROD ENDS ON CERTAIN MERITOR AXLES. THE TIE ROD AND DRAG LINK BALL STUD ENDS CONTAIN BEARINGS THAT ARE BELOW THE SPECIFIED CASE DEPTH AND/OR HARDNESS.

Consequence

THIS CAN LEAD TO PREMATURE WEAR WITH POSSIBLE SEPARATION OF THE BALL STUD FROM THE SOCKET, INCREASING THE RISK OF LOSS OF CONTROL OF THE VEHICLE.

Remedy

DEALERS WILL REMOVE AND REPLACE ALL AFFECTED TIE RODS AND DRAG LINKS WITH DIFFERENT DESIGNED ENDS. OWNER NOTIFICATION BEGAN OCTOBER 24, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT PETERBILT AT 1-940-591-4000 OR KENWORTH AT 1-425-828-5000.

Defect

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH TIE ROD ASSEMBLIES MANUFACTURED BY TRW. THE SUSPECT TIE RODS CONTAIN 24-DL MODEL BALL SOCKETS. 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.

Consequence

IF THIS CONDITION OCCURS, THE DRIVER CAN LOSE PARTIAL CONTROL OF THE RIGHT FRONT WHEEL, POSSIBLY RESULTING IN A CRASH.

Remedy

DEALERS WILL REPLACE THE DEFECTIVE BALL SOCKETS AND/OR DRAG LINKS. OWNER NOTIFICATION BEGAN ON APRIL 10, 2001, TO KENWORTH OWNERS AND ON APRIL 25, 2001, TO PETERBILT OWNERS. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT KENWORTH AT 1-425-828-5000, PETERBILT AT 1-940-591-4000 OR TRW CUSTOMER SERVICE AT 1-866-280-3287.

Defect

VEHICLE DESCRIPTION: VEHICLES EQUIPPED WITH 54" REAR AXLE SPACING CONFIGURATION OF THE AIRGLIDE 200 SUSPENSION WITH THE SERVICE APPLICATION IDENTIFIED AS LOGGER, DUMP TRUCK, OR TANKER. THE REAR SUSPENSION IS REGULARLY SUBJECTED TO EXTREME ARTICULATION, RESULTING IN FLEXING OF THE JOINT.

Consequence

FAILURE OF THE LOWER SWAY ARM ATTACHING BOLTS COULD RESULT IN LOSS OF VEHICLE CONTROL.

Remedy

DEALERS WILL REPLACE THE LOWER SWAY ARM BRACKETS. OWNER NOTIFICATION BEGAN MARCH 27, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT KENWORTH AT 1-425-828-5000.

Defect

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH AN OPTIONAL FIREWALL-MOUNTED CIRCUIT BREAKER. THE MAIN CAB POWER AND BATTERY POWER LEADS WERE ATTACHED INCORRECTLY. THIS CONDITION CAN RESULT IN THE MAIN CAB POWER BEING UNPROTECTED.

Consequence

IF A WIRING SHORT OCCURRED ANYWHERE ALONG THE CAB POWER CIRCUIT, THE AVAILABLE BATTERY POWER COULD ARC AND CAUSE SUBSEQUENT DAMAGE TO THE VEHICLE OR A FIRE.

Remedy

DEALERS WILL INSPECT AND CORRECT THE PROBLEM, AS NEEDED. OWNER NOTIFICATION BEGAN FEBRUARY 26, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT KENWORTH AT 1-425-828-5000.

Defect

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH TRW TIE ROD ENDS ON CERTAIN MERITOR AXLES. THE TIE ROD AND DRAG LINK BALL STUD ENDS CONTAIN BEARINGS THAT ARE BELOW THE SPECIFIED CASE DEPTH AND/OR HARDNESS.

Consequence

THIS CAN LEAD TO PREMATURE WEAR WITH POSSIBLE SEPARATION OF THE BALL STUD FROM THE SOCKET, INCREASING THE RISK OF LOSS OF CONTROL OF THE VEHICLE.

Remedy

DEALERS WILL REMOVE AND REPLACE ALL AFFECTED TIE RODS AND DRAG LINKS WITH DIFFERENT DESIGNED ENDS.