2008 Kenworth T800

Summary
PACCAR Incorporated (PACCAR) is recalling certain 2008-2019 Peterbilt 330, 335, 337, 340, 348, 365, 367, 384, 386, 387, 388, 389, 567, 579 and 587 vehicles and 2008-2020 Kenworth T170, T270, T370, T660, T680, T800, T880, and W900 vehicles equipped with NAMUX Software. In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may not illuminate to warn the driver of the loss of ABS. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems," and 136, "Electronic Stability Control System on Heavy Vehicles."

Consequence
If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.

Remedy
PACCAR will notify owners, and dealers will update the NAMUX software within the cab control module, free of charge. PACCAR issued owners an interim notification on June 4, 2020. The recall began May 26, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's number for this recall is 20pbc AND 20KWB.

Summary
PACCAR is recalling certain model year 2007-2014 Kenworth T800 and W900 trucks manufactured March 22, 2006, through July 15, 2013 and equipped with Primaax tridem rear suspensions and a pusher and/or tag axle. The affected trucks have brake chambers that take longer to apply or release the brakes than the required time limit. Thus, these vehicles fail to conform to the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 121, "Air Brake Systems."

Consequence
Brakes that take longer to apply may lengthen the distance needed to stop the truck, increasing the risk of a crash.

Remedy
PACCAR will notify owners, and dealers will modify the air brake system, free of charge. The recall began on January 15, 2014. Owners may contact PACCAR at 1-425-468-7400. Kenworth's recall number is 13KWL.

Summary
PACCAR IS RECALLING CERTAIN MODEL YEAR 2008-2012 KENWORTH T2000, T660, T700, T800, AND W900, AS WELL AS MODEL YEAR 2009-2012 PETERBILT 365, 367, 384, 386, 387, 388, 389, AND 587 TRUCKS EQUIPPED WITH PACCAR MX ENGINES. THE OIL MODULE CENTRIFUGAL SPINNER FILTER CAP IN THE PACCAR MX ENGINE MAY BECOME LOOSE, POSSIBLY ALLOWING THE CAP TO COME OFF AND ENGINE OIL TO PARTIALLY DISCHARGE FROM THE OIL MODULE ONTO EXHAUST COMPONENTS.

Consequence
THE DISCHARGE OF ENGINE OIL ONTO EXHAUST COMPONENTS WHICH ARE HOT, SUCH AS WHEN THE ENGINE IS UNDER SIGNIFICANT LOAD, MAY CAUSE A FIRE.

Remedy
DEALERS WILL RE-TORQUE THE OIL MODULE FILTER CAP AND INSTALL A SECONDARY RETENTION DEVICE ON THE SECONDARY CENTRIFUGAL SPINNER FILTER CAP. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING MARCH 2011. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.

Summary
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.

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.

Summary
PACCAR IS RECALLING CERTAIN MODEL YEAR 2008-2010 TRUCKS EQUIPPED WITH TRW STEERING SHAFTS. THE CIRCUMFERENTIAL WELD AROUND THE STEERING SHAFT TUBE THAT WELDS THE SPLINED TUBE TO THE NON-SPLINED TUBE MAY BE MISLOCATED. MISLOCATION OF THE CIRCUMFERENTIAL WELD MAY ALLOW THE SPLINED TUBE AND NON-SPLINED TUBE TO ROTATE RELATIVE TO ONE ANOTHER DURING A LOW SPEED, HIGH TORQUE TURN, POSSIBLY RESULTING IN A SEPARATION OF THE TWO TUBES.

Consequence
A SEPARATION OF THE SPLINED AND NON-SPLINED TUBES WOULD CAUSE A LOSS OF STEERING CONTROL AND INCREASE THE RISK OF A VEHICLE CRASH.

Remedy
DEALERS WILL INSPECT THE STEERING SHAFT USING A WELD PLACEMENT GAUGE PROVIDED BY TRW. ANY STEERING SHAFT FOUND TO HAVE BEEN WELDED IMPROPERLY WILL BE REPLACED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 30, 2010. OWNERS MAY CONTACT KENWORTH AT 425-828-5440 AND PETERBILT AT 940-591-4196.

Summary
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.

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.

Summary
PACCAR IS RECALLING 140 MY 2005, 2007-2009 T800, W900, AND T660 TRUCKS. THE CALIPER MOUNTING FASTENERS ATTACHING THE AIR DISC BRAKE CALIPER ASSEMBLY TO THE TORQUE PLATE MAY HAVE RECEIVED INSUFFICIENT TORQUE DURING THE INSTALLATION PROCESS. THE INSUFFICIENT TORQUE MAY ALLOW THE AIR DISC BRAKE CALIPER ASSEMBLY TO BECOME LOOSE AND POSSIBLY SEPARATE FROM THE VEHICLE.

Consequence
THIS COULD RESULT IN REDUCED BRAKING CAPACITY AND ALSO A ROAD DEBRIS HAZARD, INCREASING THE RISK OF A CRASH.

Remedy
DEALERS WILL INSPECT AIR DISC BRAKE CALIPER ASSEMBLIES AND REPLACE THE CALIPER MOUNTING FASTENERS AND TORQUE PROPERLY. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE MANUFACTURER HAS NOT YET PROVIDED AN OWNER NOTIFICATION SCHEDULE. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

Summary
PACCAR IS RECALLING 1098 KENWORTH MY 2008 T800, W900, MY 2008-2009 T2000 AND PETERBILT MY 2007-2009 379 AND 387 TRUCKS EQUIPPED WITH C15 CATERPILLAR DIESEL ENGINES. THE AFTERTREATMENT REGENERATION DEVICE (ARD) MAY DEVELOP A HOLE AND HEAT AND FLAME MAY ESCAPE DURING A REGENERATION OF THE DIESEL PARTICULATE FILTER.

Consequence
THIS MAY RESULT IN A FIRE HAZARD.

Remedy
PACCAR IS WORKING WITH CATERPILLAR AND WILL INSPECT AND REMEDY THE ENGINES FREE OF CHARGE. OWNERS MAY CONTACT CATERPILLAR AT 1-800-447-4986, KENWORTH AT 425-828-5440 OR PETERBILT AT 940-591-4196.

Summary
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.

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.

Summary
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.

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.

Summary
PACCAR IS RECALLING 263 MY 2008-2009 KENWORTH T800, W900 AND PETERBILT 365 AND 384 TRUCKS EQUIPPED WITH C7 OR C9 CATERPILLAR DIESEL ENGINES. THE FUEL PUMP OUTLET CHECK PLUG MAY BE CRACKED WHICH COULD CAUSE FUEL TO SPRAY AND LEAK.

Consequence
FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

Remedy
PACCAR IS WORKING WITH CATERPILLAR (PLEASE SEE 08E042). CATERPILLAR WILL REPLACE THE FUEL PUMP PLUG FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING SEPTEMBER 2008. OWNERS MAY CONTACT CATERPILLAR AT-1-800-447-4986 OR KENWORTH AT 1-425-828-5440 OR PETERBILT AT 1-940-591-4196.

Summary
PACCAR IS RECALLING 1,043 MY 2008-2009 KENWORTH C500, T2000,T660, T800 AND W900 TRUCKS EQUIPPED WITH BENDIX MV-3 DASH CONTROL VALVES. THE MOLDED VALVE BODY HAS AN INCORRECT CORE PIN IN THE INJECTION MOLD CAUSING THE VALVE BODY TO BE OVERSIZED IN THE DOUBLE CHECK VALVE AREA. THIS CONDITION CAN ALLOW THE RUBBER DOUBLE CHECK VALVE TO BECOME LODGED IN THE BODY OPENING UNDER CERTAIN CIRCUMSTANCES.

Consequence
IF THE DOUBLE CHECK VALVE BECOMES LODGED, IN THE EVENT OF A PRIMARY RESERVOIR FAILURE, AIR PRESSURE CAN LEAK PAST THE LODGED DOUBLE CHECK VALVE THEREBY DEPLETING THE SECONDARY RESERVOIR, CAUSING REDUCED ABILITY FOR MODULATING THE SERVICE EMERGENCY BRAKES. IN SUCH AN EVENT, THE OPERATOR SHOULD OBSERVE AN AIR LEAK, INDICATIONS OF LOW AIR PRESSURE VIA THE PRIMARY AND SECONDARY AIR GAUGES, AND AUDIBLE AND VISUAL LOW AIR PRESSURE WARNING ALARMS. A VEHICLE CRASH IS POSSIBLE IF THESE WARNINGS ARE NOT HEEDED.

Remedy
DEALERS WILL REPLACE THE BENDIX MV-3 DASH CONTROL VALVES FREE OF CHARGE. THE RECALL BEGAN ON APRIL 14, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-4196.

Summary
PACCAR IS RECALLING 318 MY 2007-2009 KENWORTH T800, W900, AND PETERBILT 357, 365, 367, 378, 379, 384, 385, 386,388, AND 389 TRUCKS EQUIPPED WITH PREMIER TRAILER HITCH ASSEMBLIES. THE PINTLE HITCH ASSEMBLIES MAY HAVE BEEN MANUFACTURED IN A MANNER RESULTING IN A REDUCTION OF FATIGUE STRENGTH OF THE PIVOT PINS.

Consequence
THIS REDUCTION OF FATIGUE STRENGTH COULD CAUSE THE PIVOT PIN TO CRACK AND EVENTUALLY BREAK, CAUSING THE TRAILER TO DETACH FROM THE TRUCK WHILE IN MOTION, WHICH COULD CAUSE A CRASH THAT COULD RESULT IN PERSONAL INJURY OR DEATH.

Remedy
DEALERS WILL REPLACE THE POTENTIALLY DEFECTIVE PIVOT PIN FREE OF CHARGE. THE RECALL BEGAN ON APRIL 18, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 OR PETERBILT AT 1-940-591-4196.

Summary
PACCAR IS RECALLING 6,169 MY 2008 KENWORTH T300, T660, T800, T2000, W900 AND C500 VEHICLES AND MY 2008-2009 PETERBILT MODELS 365, 367, 384, 387, 388, 389 AND 389 KITS. CERTAIN DOOR LATCH ASSEMBLIES ON THESE VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 206, 'DOOR LOCKS AND DOOR RETENTION COMPONENTS." THE ROTOR IN SOME OF THESE DOOR LATCH ASSEMBLIES DID NOT RECEIVE THE PROPER HEAT TREATMENT AND MAY BE SOFT.

Consequence
IN THE EVENT OF A CRASH, FORCE COULD CAUSE THE ROTOR TO CRACK AND THE DOOR WOULD NOT HAVE PRIMARY OR SECONDARY CLOSING SECURITY WHICH COULD POSSIBLY LEAD TO INJURY OF THE VEHICLE OCCUPANT.

Remedy
PACCAR IS WORKING WITH TRIMARK AND WILL INSPECT AND REPLACE THE DOOR LATCH IF IT IS FOUND TO BE DEFECTIVE. THE RECALL BEGAN ON MARCH 14, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 OR PETERBILT AT 1-940-591-4196.

Summary
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.

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.

Summary
ON CERTAIN KENWORTH AND PETERBILT HEAVY DUTY TRUCKS EQUIPPED WITH TAS-85 TRW STEERING GEARS, THE INNER SURFACE OF THE OUTER SECTOR SHAFT TEETH OF THE STEERING GEARS MAY HAVE AN INCORRECT INVOLUTE PROFILE, WHICH MAY LEAD TO CHIPPING AND DAMAGE OF THE GEARING SYSTEM.

Consequence
THIS TYPE OF DAMAGE MAY CAUSE A "BIND/STICK" CONDITION IN THE VEHICLE STEERING DURING A TURN INCREASING THE RISK OF A CRASH.

Remedy
DEALERS WILL REPAIR AND REPLACE ANY SUSPECT TAS-85 STEERING GEAR ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 9, 2008. OWNERS MAY CONTACT KENWORTH AT 425-828-5440 AND PETERBILT AT 940-591-4201.

Summary
ON CERTAIN TRUCKS BUILT WITH CUMMINS ISM C876 ENGINES, THE ELECTRONIC CONTROL MODULE FAILS TO RECOGNIZE INPUTS OF THE VEHICLE ELECTRONIC CONTROL UNIT OR FROM A DRIVER ACTUATED DASH SWITCH THEREBY INCREASING THE RISK OF UNINTENDED (OR UNEXPECTED) ELEVATED EXHAUST TEMPERATURES.

Consequence
WHILE THIS CONDITION DOES NOT INVOLVE A RISK OF FIRE IN THE VEHICLE ITSELF, IT COULD PRESENT A FIRE HAZARD IN A SITUATION WHERE THE VEHICLE'S EXHAUST IS IN CLOSE PROXIMITY TO MATERIALS OR SUBSTANCES THAT CAN MELT, BURN, OR EXPLODE.

Remedy
CUMMINS, IN CONJUNCTION WITH PACCAR, WILL CONDUCT THE REMEDY CAMPAIGN. CUMMIS WILL INSTALL NEW ECM SOFTWARE. OWNERS CAN CONTACT CUMMINS AT 1-800-343-7357, PETERBILT AT 940-591-4201 OR KENWORTH AT 425-828-5440.

Summary
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.

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.

Summary
CERTAIN TRUCK EQUIPPED WITH BEHR CABLES, THE CABLES WERE INSTALLED INCORRECTLY AND ARE TOO LONG.

Consequence
IF THE HOOD BEGINS TO FALL, THE LONGER CABLE WILL CAUSE THE HOOD TO FALL TOO FAR, POTENTIALLY INJURING SOMEONE WORKING IN THE ENGINE COMPARTMENT.

Remedy
DEALERS WILL INSPECT AND REPLACE ANY CABLE THAT ARE LONG FREE OF CHARGE. THE RECALL BEGAN ON APRIL 27, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.

Summary
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.

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.

Summary
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.

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.

Summary
ON CERTAIN TRUCKS, THE WIRING, PARTS, OR TRANSMISSION PROGRAMMING REQUIRED FOR THE AUTO NEUTRAL FEATURE TO FUNCTION AS DESIGNED WERE EITHER NOT INSTALLED, CONNECTED, OR PROGRAMMED PROPERLY.

Consequence
IF ANY OF THESE CONDITIONS EXISTS, THE TRANSMISSION WILL NOT AUTOMATICALLY SHIFT INTO NEUTRAL WHEN LEFT IN DRIVE WITH THE PARKING BRAKE SET ENGAGED. THE VEHICLE COULD MOVE WITHOUT WARNING INCREASING THE RISK OF A CRASH.

Remedy
DEALERS WILL INSPECT THE AFFECTED VEHICLES TO ENSURE THE AUTO NEUTRAL FEATURE FUNCTIONS PROPERLY AND, IF NEEDED, WILL MAKE THE NECESSARY REPAIRS FREE OF CHARGE. THE RECALL BEGAN ON MAY 9, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.

Summary
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.

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.

Summary
AN INCORRECT SWITCH WAS INSTALLED IN THE CRUISE CONTROL SYSTEM ON CERTAIN MODEL T300 TRUCKS.

Consequence
A LIGHT APPLICATION OF THE BRAKES WILL NOT DEACTIVATE THE CRUISE CONTROL AND THE SYSTEM WILL HAVE TO BE SHUT OFF BY THE DASH SWITCH. THIS COULD LEAD TO UNINTENDED ACCELERATION AND A CRASH WITHOUT WARNING.

Remedy
KENWORTH WILL INSTALL THE CORRECT SENSOR SWITCH. THE RECALL BEGAN ON JANUARY 10, 2007. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

Summary
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.

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.