Recall directory / Kenworth / T600

Model-level recall history

Kenworth T600 recalls by year

Explore official NHTSA model-level records from 1990 through 2019. Choose a year to review consequences, remedies, campaign numbers, and instructions for that year and model.

113NHTSA recall records
53unique campaigns
23model years represented

Year-by-year record count

Recall history across model years

Affected systems

Frequently represented components

Component counts describe records in the NHTSA dataset, not failure rates.

Engine and engine cooling11 records across 3 unique campaigns
Service brakes, air10 records across 3 unique campaigns
Suspension9 records across 3 unique campaigns
Engine and engine cooling: Engine: Diesel7 records across 2 unique campaigns
Steering: Linkages: Tie rod assembly6 records across 4 unique campaigns
Suspension: Front: Control arm: Lower arm6 records across 1 unique campaign
Suspension: Front: Hub6 records across 2 unique campaigns
Trailer hitches: Fifth wheel assembly6 records across 4 unique campaigns
Electrical system: Wiring: Fuses and circuit breakers5 records across 2 unique campaigns
Electrical system: Wiring4 records across 3 unique campaigns
Electrical system: Wiring: Front underhood4 records across 2 unique campaigns
Power train: Axle assembly4 records across 2 unique campaigns
Suspension: Rear4 records across 2 unique campaigns
Trailer hitches4 records across 1 unique campaign
Unknown or other3 records across 1 unique campaign
Electrical system: Ignition: Module2 records across 1 unique campaign
Engine and engine cooling: Cooling system: Fan2 records across 1 unique campaign
Exterior lighting2 records across 1 unique campaign
Fuel system, gasoline: Delivery2 records across 1 unique campaign
Power train: Driveline2 records across 2 unique campaigns
Power train: Driveline: Universal joint2 records across 2 unique campaigns
Steering2 records across 1 unique campaign
Steering: Column2 records across 1 unique campaign
Equipment: Other: Labels1 records across 1 unique campaign

Campaign history

Recently reported Kenworth T600 campaigns

Campaigns are grouped across the model years represented on this page.

18V65700009/21/2018

PACCAR Incorporated (PACCAR) is recalling certain 2017-2019 Kenworth C500, T600, T660, T680, T800, T880 and W900 trucks, as well as Peterbilt 367, 386, 389, 567, 579 and 587 trucks, equipped with Cummins ISX15 or X15 diesel engines. In certain driving conditions, such as on a long down-hill grade, the fuel line may burst if the fuel pump cooling circuit screen becomes restricted.

Model years in this history: 2019, 2018, 2017

Consequence and remedy

Consequence

If the fuel line bursts, fuel may leak onto the road resulting in a roadway hazard for other motorists. The engine may also stall without warning, resulting in the vehicle's inability to restart, increasing the risk of a crash.

Remedy

Cummins will notify owners, and dealers will replace the suspect fuel pump cooling circuit screen, free of charge. The recall began November 21, 2018. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 18E081.

12V40700008/20/2012

Paccar is recalling certain model year 2013 kenworth T400, T600, T700, T800, and W900 vehicles, manufactured from July 18, 2012, through August 10, 2012. Cap screws securing the main driveline to the forward rear axle and cap screws on the inter-axle driveline may not have been properly torqued.

Model years in this history: 2013

Consequence and remedy

Consequence

Fasteners which are not properly torqued to specification can result in the driveline separating from the vehicle, disabling the vehicle and increasing the risk of a crash. The separated component could also become a road hazard.

Remedy

Paccar will notify owners, and dealers will inspect and re-torque the each of the affected fasteners, free of charge. The safety recall began on September 7, 2012. Owners may contact Kenworth at 1-425-828-5440.

11V20300003/24/2011

PACCAR IS RECALLING CERTAIN MODEL YEAR 2007-2011 KENWORTH C500, T2000, T600, AND T660, AS WELL AS MODEL YEAR 2009-2011 PETERBILT 387 AND 388 TRUCKS EQUIPPED WITH CATERPILLAR C15 ENGINE AND MANUFACTURED FROM MAY 11, 2006, THROUGH SEPTEMBER 17, 2010. DEGRADATION OF A COMBUSTION TUBE WELD CAN CAUSE RADIAL HEAT IMPINGEMENT ON THE BODY WHICH MAY BURN THROUGH CERTAIN BODIES USED ON C15 ENGINES.

Model years in this history: 2011, 2010, 2009, 2008, 2007

Consequence and remedy

Consequence

THIS COULD RESULT IN A FIRE.

Remedy

CATERPILLAR IS HANDLING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. PLEASE SEE CATERPILLAR'S DEFECT REPORT 11E-006. CATERPILLAR WILL REPLACE THE SINGLE PIECE COMBUSTION TUBE WITH A THICK WALL COMBUSTION TUBE WHICH WILL NOT ALLOW THE HEAT TO BREAK THROUGH. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. DUE TO A PARTS SUPPLY ISSUE, OWNERS WILL BE NOTIFIED BY THE END OF APRIL 2011 ABOUT THE SAFETY DEFECT, AND WILL THEN BE NOTIFIED AGAIN ONCE THE FREE REMEDY IS AVAILABLE, CURRENTLY ESTIMATED TO BE AROUND LATE JULY 2011. OWNERS MAY CONTACT CATERPILLAR TOLL-FREE AT 1-800-447-4986.

10V63400012/13/2010

PACCAR IS RECALLING CERTAIN MODEL YEAR 2007-2008 KENWORTH AND PETERBILT VEHICLES MANUFACTURED FROM FEBRUARY 2, 2006 THROUGH APRIL 30, 2007. THE BEARING SURFACES OF THE EXTENDED LUBE UNIVERSAL JOINT THAT ATTACHES THE INTER-AXLE DRIVELINE TO THE DRIVE AXLE MAY BECOME PREMATURELY WORN DUE TO BREAKDOWN OF LUBRICATION AND/OR EXCESSIVE HEAT. PREMATURELY WORN BEARING SURFACES MAY RESULT IN THE U-JOINT BECOMING LOOSE AND/OR BINDING. THIS CONDITION MAY RESULT IN UNIVERSAL JOINT FAILURE, ALLOWING THE INTER-AXLE DRIVELINE TO DETACH FROM THE AXLE.

Model years in this history: 2008, 2007

Consequence and remedy

Consequence

DETACHMENT OF THE DRIVELINE FROM THE AXLE MAY CAUSE THE VEHICLE TO LOSE POWER AND BECOME DISABLED IN THE ROADWAY. ALSO, THE DRIVELINE COULD DROP FROM THE VEHICLE INTO THE ROADWAY INCREASING THE RISK OF A CRASH.

Remedy

PACCAR IS WORKING WITH ITS SUPPLIER TO REMEDY THE VEHICLES FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING FEBRUARY 2011. OWNERS MAY CONTACT KENWORTH AT 425-828-5440 AND PETERBILT AT 940-591-4196.

09V23900006/30/2009

KENWORTH IS RECALLING 3,423 MY 2004-2009 T2000, T800,T600, W900 AND T660 VEHICLES. INCREASED BRAKE EXCITATION IN A CERTAIN VEHICLE CONFIGURATION WHICH INCLUDES BENDIX DRUM BRAKES, WIDE BASE LOW PROFILE SINGLE TIRES, AND AN AG400 OR AG460 REAR SUSPENSION, DUE TO ITS UNIQUE BRAKE CLOCKING AND CAM TUBE LENGTH, CAN CAUSE FATIGUE AND CRACKING TO BRAKE ASSEMBLY COMPONENTS.

Model years in this history: 2009, 2008, 2007, 2006, 2005, 2004

Consequence and remedy

Consequence

CRACKING CAN CAUSE A COMPLETE FRACTURE OF THE CAM TUBE, WHICH COULD INCREASE STOPPING DISTANCE AND DECREASE PARKING BRAKE HOLD CAPABILITY.

Remedy

DEALERS WILL INSPECT THE REAR AXLE BRAKES ASSEMBLY, REPLACE CRACKED REAR AXLE BRAKES ASSEMBLY COMPONENTS WHERE REQUIRED, AND INSTALL CAM TUBE SUPPORT BRACKETS ON ALL REAR AXLE WHEEL ENDS FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN OR BEFORE JULY 25, 2009. OWNER MAY CONTACT KENWORTH AT 1-425-828-5440.

08V48500009/24/2008

PACCAR IS RECALLING 130 MY 2004-2009 T2000, T800, T600, W900 AND T660 KENWORTH TRUCKS BUILT WITH AN AG400 REAR SUSPENSION, LONG STROKE BRAKE CHAMBERS, AND WIDE BASE TIRES (SUPER SINGLES). THESE VEHICLES MAY DEVELOP AN INCREASE IN LATERAL AND VERTICAL AXLE MOVEMENT. THIS MOVEMENT MAY CAUSE PART OR PARTS OF THE BRAKE ASSEMBLY (BRAKE CAM TUBE SUPPORT, BRAKE CHAMBER BRACKET, BRAKE CHAMBER, BRAKE SPIDER) TO DEVELOP FATIGUE CRACKS, POSSIBLY RESULTING IN THE FAILURE OF THE PART OR PARTS WITHIN THE BRAKE ASSEMBLY.

Model years in this history: 2009, 2008, 2007, 2006, 2005, 2004

Consequence and remedy

Consequence

A FAILURE MAY REDUCE VEHICLE BRAKE PERFORMANCE, INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL INSTALL THE CAM TUBE SUPPORT BRACKETS ON ALL OF THE REAR AXLE WHEEL ENDS. INSPECT THE REAR AXLE BRAKE ASSEMBLY AND REPLACE IT IF CRACKED. THE RECALL IS EXPECTED TO BEGIN DURING NOVEMBER 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

08V48700009/23/2008

PACCAR IS RECALLING 4,883 MY 2006-2009 KENWORTH T600, T660, T800, W900, T2000 AND MY 2008-2009 PETERBILT 365, 367, 379, 384, 386, 387, 388 AND 389 TRUCKS. INADEQUATE STIFFNESS OF THE DIESEL PARTICULATE FILTER (DPF) BRACKET COULD RESULT IN SEPARATION OF THE DPF FROM THE CHASSIS.

Model years in this history: 2009, 2008, 2007, 2006

Consequence and remedy

Consequence

A VEHICLE CRASH COULD OCCUR IF ANOTHER VEHICLE STRIKES THE DPF ON THE ROADWAY.

Remedy

PACCAR IS WORKING WITH CATERPILLAR TO REPAIR THESE VEHICLES (PLEASE SEE 08E041). OWNERS MAY CONTACT CATERPILLAR AT 1-800-447-4986 OR KENWORTH AT 1-425-828-5440 OR PETERBILT AT 1-940-591-4196.

08V31400007/14/2008

KENWORTH IS RECALLING 1,189 MY 2009 T2000, T600, T660, T800 AND W900 TRUCKS. THE AXLE U-BOLTS ATTACHING THE AXLE TO THE DRIVE BEAM ON CERTAIN AG380 REAR SUSPENSIONS MAY HAVE RECEIVED INSUFFICIENT FASTENER TORQUE DURING THE INSTALLATION PROCESS.

Model years in this history: 2009

Consequence and remedy

Consequence

THE INSUFFICIENT TORQUE MAY ALLOW THE AXLE U-BOLT TO LOOSEN IF UNDETECTED, COULD IMPACT LONG TERM SUSPENSION PERFORMANCE AND INCREASE THE RISK OF A CRASH.

Remedy

DEALERS WILL HAVE THE AXLE U-BOLT ON THE AFFECTED CHASSIS RE-TORQUED TO FACTORY SPECIFICATIONS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 12, 2008. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.

08V19000004/25/2008

PACCAR IS RECALLING 3,573 MY 2007 KENWORTH C500, T800, T600, T2000, AND W900 CHASSIS BUILT WITH PHILLIPS QCS II TRAILER CABLE CONNECTION AND TRAILER CABLE MOUNTING BRACKET WITH 'U-SHAPED' CUT OUT. CERTAIN TRAILER CABLE MOUNTING BRACKETS HAVE A 'U-SHAPED' CUT OUT THAT ONLY PARTIALLY SUPPORTS THE TRAILER CABLE CONNECTION. PARTIAL SUPPORT OF THE CABLE CONNECTION MAY ALLOW THE MOLDED BOOT AND ELECTRICAL GROUND PIN TO PARTIALLY OR COMPLETELY PULL AWAY FROM THE 7-WAY SOCKET. PARTIAL OR COMPLETE DETACHMENT OF THE CABLE CONNECTION CAN CAUSE REDUCED WATER RESISTANCE AND POTENTIAL LOSS OF ELECTRICAL GROUND. THERE IS ALSO A POSSIBILITY THE TRAILER LIGHTS MAY FAIL TO ILLUMINATE WITHOUT THE OPERATOR'S KNOWLEDGE.

Model years in this history: 2007

Consequence and remedy

Consequence

IF THIS CONDITION WERE TO OCCUR, OTHER MOTORISTS MAY NOT BE WARNED OF THE TRACTOR/TRAILER MOVEMENTS, INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL INSTALL A REINFORCEMENT BRACKET BETWEEN THE FLEXIBLE BACK OF THE QCS II MOLDED BOOT AND THE FRAME BRACKET, AND REATTACH THE SUPPORTING BOLTS. THE RECALL BEGAN ON MAY MAY 30, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

08V17600004/17/2008

PACCAR IS RECALLING 172 MY 2007 KENWORTH T800 SHORT HOOD, W900 LONG HOOD AND T600 TRACTOR/TRAILERS EQUIPPED WITH SAF-HOLLAND SIMPLEX FIFTH WHEELS. IF THE PIVOT BOLT JOINT FOR THE LEVER BAR IS OVER TORQUED, THE SPACER DEFORMS, AND MAKES CONTACT WITH THE LEVER BAR. THIS CONDITION COUPLED WITH CORROSION ASSOCIATED WITH THE SEASONAL DRY OUT, CAN AFFECT THE LOCK SYSTEM OF THE FIFTH WHEEL, PREVENTING THE FIFTH WHEEL JAW FROM LATCHING SECURELY AROUND THE TRAILER KING PIN.

Model years in this history: 2007

Consequence and remedy

Consequence

THE FIFTH WHEEL MAY FAIL TO LATCH WITHOUT THE OPERATOR'S KNOWLEDGE, CAUSING THE TRACTOR AND TRAILER TO DISENGAGE INCREASING THE RISK OF A CRASH.

Remedy

KENWORTH IS WORKING WITH SAF-HOLLAND SIMPLEX AND WILL INSPECT THE PIVOT BOLT JOINT FOR A DEFORMED SPACER AND REPLACE THE BOLT, WASHER AND SPACER WITH A HEX-HEAD SHOULDER BOLT AND WASHER FREE OF CHARGE. THE RECALL BEGAN ON MAY 1, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 OR SAF-HOLLAND AT 1-231-773-3271.

08V00200001/08/2008

CERTAIN TRUCKS EQUIPPED WITH EATON SYNFLEX ECLIPSE BRAND EXTRUDED NYLON AIR BRAKE HOSE TUBING FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 106, "BRAKE HOSES." THE TUBING WAS MANUFACTURED WITH ONLY FOUR LAYERS OF NYLON MATERIAL, INSTEAD OF THE SPECIFIED FIVE LAYERS.

Model years in this history: 2008

Consequence and remedy

Consequence

THE DIAMETER OF THE HOSE AFFECTS THE FITTINGS WHICH MAY ALLOW AIR TO LEAK FROM THE BRAKES AND CREATE THE POTENTIAL FOR A VEHICLE CRASH.

Remedy

DEALERS WILL INSPECT THE AIR BRAKE HOSES AND, IF NECESSARY, REPLACE THE HOSES. THE RECALL BEGAN ON FEBRUARY 22, 2008. OWNER NOTIFICATION SCHEDULE FOR THIS CAMPAIGN. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 OR PETERBILT AT 1-940-591-4196.

07V27900006/28/2007

ON CERTAIN TRUCKS EQUIPPED WITH CATERPILLAR C11, C13 OR C15 ENGINES, THE OIL FILL CAP CAN BECOME DISLODGED DUE TO CAP DAMAGE OR IMPROPER INSTALLATION AND BECOME LODGED IN THE U-JOINT OF THE STEERING DRIVELINE AND STEERING GEAR.

Model years in this history: 2007, 2006, 2005

Consequence and remedy

Consequence

IF THE CAP BECOMES DODGED IN THIS AREA, IT MAY RESULT IN DIFFICULTY STEERING THE VEHICLE OR CAUSE COMPLETE STEERING LOCK-UP INCREASING THE RISK OF A CRASH.

Remedy

PACCAR IS WORKING WITH CATERPILLAR TO REPAIR THESE VEHICLES. REVISED OIL CAP RETENTION BASED ON THE ENGINE MODEL/CONFIGURATION WILL BE INCORPORATED TO PREVENT STEERING LOCK-UP. THE RECALL BEGAN DURING DECEMBER 2007. OWNERS MAY CONTACT CATERPILLAR AT 1-800-447-4986 OR KENWORTH AT 425-828-5440.

07V26900006/26/2007

ON CERTAIN TRUCKS, THE REMOVABLE TOW HITCH ,WHEN USED TO TOW OR LIFT A VEHICLE, CAN FAIL DUE TO DEFECTIVE MATERIAL IN THE TOW HITCH.

Model years in this history: 2008, 2007, 2006, 2005

Consequence and remedy

Consequence

IF THE TOW HITCH ASSEMBLY FAILS WHILE A VEHICLE IS BEING TOWED OR LIFTED, IT MAY CAUSE AN ACCIDENT THAT COULD RESULT IN PERSONAL INJURY OR DEATH.

Remedy

DEALERS WILL REPLACE THE TOW PIN ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 4, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440 OR PETERBILT AT 940-591-4201.

07V15300004/10/2007

ON CERTAIN TRUCKS, IF THE IGNITION SWITCH IS TURNED ON PRIOR TO INITIAL START UP IN THE MANUFACTURING PLANT OR DURING THE FILTER REPLACEMENT IN THE FIELD, A SMALL FLAME WILL IGNITE WHEN THE FUEL IS ADDED TO PRIME THE SYSTEM.

Model years in this history: 2008, 2007

Consequence and remedy

Consequence

THE POSSIBILITY EXISTS FOR THE FLAME TO SPREAD RESULTING IN POSSIBLE EQUIPMENT DAMAGE OR PHYSICAL INJURY.

Remedy

DEALERS WILL INSPECT THE FILTER FOR THE DATE CODES OF THE SUSPECT FILTERS AND REPLACE THOSE HEATING ELEMENTS FREE OF CHARGE. THE RECALL BEGAN ON MARCH 21, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440 AND PETERBILT AT 940-591-4201.

07V13200003/22/2007

ON CERTAIN TRUCKS, THE AXLE HOUSINGS MAY HAVE BEEN MANUFACTURED WITH STEEL THAT WAS OUT OF SPECIFICATION WHICH COULD RESULT IN A FATIGUE FAILURE OVER TIME.

Model years in this history: 2008, 2007

Consequence and remedy

Consequence

IF A FATIGUE FAILURE OCCURS AND IS LEFT UNATTENDED, THE AXLE MAY LOCK UP OR THE END OF THE AXLE COULD COME OFF, WHICH MAY RESULT IN A VEHICLE CRASH.

Remedy

DEALERS WILL INSPECT AND REPLACE THE AXLES FREE OF CHARGE. THE RECALL BEGAN ON MAY 9, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440 AND PETERBILT AT 1-940-591-4196.

07V07300003/02/2007

CERTAIN TRUCKS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." THE TRAILER LIGHT LINE MAY HAVE BEEN ROUTED USING TOO TIGHT OF A BEND RADIUS. THIS ROUTING METHOD COULD CAUSE THE WIRES WITHIN THE HARNESS PLUG TO BE PULLED AWAY FROM THE CHASSIS PLUG RESULTING IN AN INTERMITTENT OR COMPLETE ELECTRICAL POWER LOSS TO THE TRAILER.

Model years in this history: 2008, 2007

Consequence and remedy

Consequence

SHOULD POWER BE LOST, THE ELECTRICAL CIRCUITS WOULD NOT PROVIDE POWER TO THE ANTILOCK SYSTEM ON THE TOWED VEHICLE INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL REROUTE THE LIGHT LINE TO ELIMINATE THE EXCESSIVE BEND RADIUS AND REPLACE ANY PLUG OR HARNESS THAT HAS BEEN DAMAGED FREE OF CHARGE. THE RECALL BEGAN ON APRIL 16, 2007. OWNER MAY CONTACT KENWORTH AT 425-828-5440.

06V46100011/30/2006

ON CERTAIN TRUCKS, AN RA529 KING PIN RELEASE AIR VALVE WAS MANUFACTURED WITH THE INTERNAL SPOOL INSTALLED BACKWARDS. THIS RESULTS IN THE AIR OPTION OF THE KING PIN RELEASE SYSTEM BEING INOPERABLE. TO CORRECT THIS SITUATION, THE VEHICLE'S AIR LINES WERE REVERSED RATHER THAN REPLACING THE VALVE.

Model years in this history: 2006

Consequence and remedy

Consequence

WITH THE LINES REVERSED, THE KING PIN CAN BE RELEASED WITHOUT THE DRIVER'S KNOWLEDGE. WHEN THIS OCCURS, THE DRIVER COULD DRIVE AWAY AND THE TRAILER COULD BECOME DISENGAGED, INCREASING THE RISK OF A CRASH.

Remedy

KENWORTH WILL INSPECT THE KING PIN RELEASE SYSTEM AND SUSPECT VALVE. IF ANY VEHICLES HAVE A NONCONFORMING VALVE OR INCORRECT PLUMBING, IT WILL BE REPLACED AND RE-PLUMBED. THE RECALL BEGAN ON NOVEMBER 29, 2006. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

06V44700011/24/2006

ON CERTAIN TRUCKS EQUIPPED WITH A TRW TILT/TELESCOPING STEERING COLUMN, THE TILT LOCKING MECHANISM ON THE STEERING COLUMN MAY DISENGAGE. THIS COULD PREVENT THE STEERING COLUMN FROM LOCKING IN TO PREDETERMINED POSITIONS.

Model years in this history: 2008, 2007

Consequence and remedy

Consequence

SHOULD THE LOCKING MECHANISM DISENGAGE, THE TILTING TRAVEL OF THE COLUMN WOULD BE UNRESTRICTED. THIS UNRESTRICTED TRAVEL ALLOWS THE STEERING WHEEL TO IMPACT THE DASH AND COULD LIMIT THE MOVEMENT OF THE STEERING WHEEL POTENTIALLY RESULTING IN DIFFICULTY MANEUVERING THE VEHICLE, INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL REPLACE THE TILT LOCKING MECHANISM WITH A REVISED DESIGN THAT INCORPORATES A NEW BRACKET FOR RESTRAINING THE TILTING MECHANISM. THE RECALL BEGAN ON DECEMBER 22, 2006. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

05V57000012/22/2005

ON CERTAIN TRACTORS EQUIPPED WITH CATERPILLAR DIESEL ENGINES, THE VARIABLE VALVE ACTUATION OIL LINE MAY WEAR AGAINST THE SHARP EDGE OF THE CYLINDER HEAD IF NOT POSITIONED CORRECTLY.

Model years in this history: 2006, 2005, 2004

Consequence and remedy

Consequence

THE OIL LINE MAY BE CUT ON THE CYLINDER HEAD CAUSING AN OIL LEAK AND A POSSIBLE FIRE.

Remedy

CATERPILLAR, IN CONJUNCTION WITH PACCAR, WILL BE CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN FREE OF CHARGE. OWNERS MAY CALL CATERPILLAR AT 309-675-6496, KENWORTH AT 425-828-5440, OR PETERBILT AT 940-591-4201.

05V54300011/29/2005

ON CERTAIN TRUCKS EQUIPPED WITH THE BENDIX ELECTRONIC STABILITY CONTROL (ESP) SYSTEM, THE SYSTEM USES MULTIPLE SENSORS AND AN ELECTRONIC CONTROL UNIT (ECU) TO CONTROL VEHICLE UNDER STEER, OVER-STEER, AND ROLLOVER SITUATIONS. THE SYSTEM RELIES ON VEHICLE SENSORS TO BE FUNCTIONING AND ALIGNED PROPERLY. THE STEERING ANGLE SENSOR HAS THE POTENTIAL TO BE MISALIGNED WITH THE STEERING COLUMN SHAFT, THEREBY PROVIDING INCORRECT INFORMATION TO THE BENDIX ECU.

Model years in this history: 2006, 2005

Consequence and remedy

Consequence

THIS CONDITION COULD AFFECT VEHICLE THROTTLE CONTROL AND BRAKING, THEREBY LEADING TO LOSS OF VEHICLE STEERING CONTROL WHICH COULD CAUSE A CRASH WITHOUT WARNING.

Remedy

BECAUSE OF THE IMMEDIATE AND SUBSTANTIAL RISK, KENWORTH AND PETERBILT DEALERS WILL FIRST DEACTIVATE THE YAW CONTROL FEATURE OF THE BENDIX ESP SYSTEM PREVENTING INADVERTENT ESP ACTIVATION. WHEN PARTS ARE AVAILABLE, THE STEERING COLUMN WILL BE REPLACED TO INSURE PROPER ALIGNMENT OF THE STEERING SHAFT SENSOR AND THE FULL ESP SYSTEM WILL BE REACTIVATED. THE RECALL BEGAN ON DECEMBER 7, 2005. PARTS TO COMPLETE THE REMEDY ARE ESTIMATED TO BE AVAILABLE IN EARLY 2006. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 OR PETERBILT AT 1-940-591-4201.

05V23700005/19/2005

ON CERTAIN TRUCKS AND TRACTORS EQUIPPED WITH AIRGLIDE HIGH-ARTICULATION REAR SUSPENSIONS, THE C65-1006 SWAY BAR USED IN THIS REAR SUSPENSION MAY EXPERIENCE A REDUCTION IN FATIGUE LIFE DUE TO EITHER A MANUFACTURING PROCESS OR A HIGH INDUCED STRESS DURING AN EXTREME SUSPENSION ARTICULATION EVENT.

Model years in this history: 2005

Consequence and remedy

Consequence

BOTH OF THESE CONDITIONS CAN LEAD TO A FAILURE OF THE SWAY BAR WHICH COULD CAUSE THE REAR AXLE TO COME LOOSE, INCREASING THE RISK OF A CRASH.

Remedy

THE INSPECTION AND REPAIR OF THESE VEHICLES WILL DEPEND ON THE TYPE OF VEHICLE (TRACTOR OR TRUCK) AND THE INTENDED SERVICE APPLICATION. THIS INSPECTION AND REPAIR CRITERIA WILL BE FORTHCOMING. THE RECALL BEGAN ON JUNE 30, 2005. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

05V18900004/28/2005

ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS, THE SUSPENSION HAS TRANSVERSE BEAM CASTINGS THAT MAY FRACTURE UNDER NORMAL LOADS. IF A CASTING BREAKS WHEN THE VEHICLE IS TRAVELING ON A ROADWAY THERE IS THE POTENTIAL FOR PIECES OF THE CASTING TO BECOME PROJECTILES AND THE SUSPENSION'S TRANSVERSE BEAM MAY DROP DOWN LOW ENOUGH TO CONTACT THE ROAD SURFACE.

Model years in this history: 2005, 2004

Consequence and remedy

Consequence

THIS COULD CAUSE SPARKS THAT COULD POTENTIALLY IGNITE AND CAUSE A FIRE.

Remedy

DEALERS WILL INSPECT AND REPLACE THE DEFECTIVE TRANSVERSE BEAM ASSEMBLIES FREE OF CHARGE. THE RECALL BEGAN ON JUNE 10, 2005, WITH LETTERS BEING MAILED TO PETERBILT OWNERS; AND ON JUNE 17, 2005, FOR KENWORTH OWNERS. OWNERS MAY CONTACT PETERBILT AT 940-591-4201 OR KENWORTH AT 425-828-5440.

04V58000012/10/2004

ON CERTAIN TRUCKS, THE POWER FEED HARNESS P92-1993 TERMINALS WERE NOT PROPERLY CRIMPED.

Model years in this history: 2004

Consequence and remedy

Consequence

THIS COULD LEAD TO INTERMITTENT POWER LOSS AFFECTING THE ELECTRICAL SYSTEM AND POSSIBLY RESULT IN A FIRE.

Remedy

DEALERS WILL REPLACE THE HARNESS. THE RECALL BEGAN JANUARY 13, 2005. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440.

04V53300011/02/2004

ON CERTAIN TRUCKS, SOME OF THE HUCK BOLTS ON THE CAB MAY NOT HAVE BEEN PROPERLY INSTALLED.

Model years in this history: 2004

Consequence and remedy

Consequence

IF THE HUCK BOLTS ARE NOT PROPERLY INSTALLED, IN AN EXTREME LOADING CONDITION (SUCH AS FRONTAL AND/OR SIDE IMPACT OR A VEHICLE ROLLOVER SITUATION), THE CAB STRUCTURE COULD BE COMPROMISED AND NOT PROVIDE ADEQUATE PROTECTION FOR THE OCCUPANT INCREASING THE RISK OF PERSONAL INJURY.

Remedy

DEALERS WILL INSPECT AND REPLACE THE HUCK BOLTS ON THE CAB ATTACHING STRUCTURE OF THE LEFT-HAND DOOR APERTURE, IF NECESSARY. THE RECALL BEGAN ON NOVEMBER 19, 2004. OWNERS SHOULD CONTACT KENWORTH AT 425-828-5440.