2009 Kenworth T660 Recalls

PACCAR Incorporated (PACCAR) is recalling certain 2009-2021 Kenworth C500, 2012-2021 Kenworth T440, 2009-2015 Kenworth T660, 2015-2024 Kenworth T680, 2009-2024 Kenworth T800, 2009-2020 Kenworth T370, 2014-2023 Kenworth T880, 2011-2016 Kenworth T470, 2023 Kenworth T480, and 2009-2019 Kenworth W900 vehicles. The air…

Insufficient air volume can reduce braking performance and increase the risk of a crash.

Dealers will install the correct volume air tanks, free of charge. Owner notification letters were mailed August 12, 2024. Additional owner notification letters were mailed October 27, 2025. Owners may contact PACCAR customer service at 1-425-828-5888. PACCAR's number for this recall is 24KWD.

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…

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

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…

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…

THIS COULD RESULT IN A FIRE.

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…

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…

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

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…

PACCAR IS RECALLING CERTAIN MODEL YEAR KENWORTH T660, T700, T800 AND W900 VEHICLES MANUFACTURED FROM DECEMBER 22, 2008, THROUGH AUGUST 2, 2010, AND EQUIPPED WITH AG400L AIR DISC BRAKES. THE AIR DISC BRAKE CALIPER COULD BE INSTALLED ON THE WRONG SIDE OF THE DRIVE AXLE POTENTIALLY CAUSING INTERFERENCE WITH THE…

AS THIS INTERFERENCE GETS LARGER, THIS COULD EVENTUALLY LEAD TO REDUCED BRAKING PERFORMANCE, INCREASING THE RISK OF A CRASH.

DEALERS WILL VERIFY THE CORRECT ORIENTATION OF THE BRAKE CALIPER AND PERFORM THE NECESSARY REPAIR FREE OF CHARGE. THE SAFETY RECALL BEGAN ON NOVEMBER 24, 2010. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.

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…

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

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.

KENWORTH IS RECALLING CERTAIN MODEL YEAR 2009 THROUGH 2010 T660 TRACTOR TRAILORS MANUFACTURED FROM JULY 1, 2008 THROUGH JULY 31, 2009. THE RETAINING PINS SECURING THE HOOD STRUT LOCK TUBE TO THE HOOD STRUT ASSEMBLY MAY BECOME LOOSE AND FALL OUT ALLOWING THE LOCK TUBE TO ROTATE ON THE STRUT ASSEMBLY. IN ITS NORMAL…

A NON-OPERATIONAL SAFETY LATCH FEATURE MAY NOT BE DETECTED BY AN OPERATOR INCREASING THE RISK OF PERSONAL INJURY AND/OR VEHICLE DAMAGE SHOULD THE HOOD UNEXPECTEDLY CLOSE.

DEALERS WILL REPLACE THE PIVOT DISC AND LOCK TUBE RETAINING PINS WITH A REVISED PIVOT DISC AND CAP SCREWS. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 15, 2010. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

KENWORTH IS RECALLING MODEL YEAR 2009 THROUGH 2010 T2000, T800, T660 AND W900 TRUCKS MANUFACTURED BETWEEN NOVEMBER 12, 2008 AND SEPTEMBER 30, 2009. THE AXLE U-BOLTS ATTACHING THE AXLE TO THE SUSPENSION LEAF SPRING ON CERTAIN AG400L REAR SUSPENSIONS MAY HAVE RECEIVED INSUFFICIENT FASTENER TORQUE DURING THE…

IF MULTIPLE FASTENERS WERE TO BECOME LOOSE, THE REAR AXLE MAY SHIFT RELATIVE TO THE REAR SUSPENSION LEAF SPRING, WHICH CAN RESULT IN LOSS OF CONTROL AND A CRASH.

DEALERS WILL INSPECT THE AXLE U-BOLTS FOR VISIBLE DEFECTS, INCLUDING BENT AND/OR SMASHED THREADS AND RE-TORQUE THE AXLE U-BOLTS TO FACTORY SPECIFICATIONS. THE RECALL BEGAN ON NOVEMBER 4, 2009. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.

PACCAR IS RECALLING 2,096 MY 2009 KENWORTH AND PETERBILT VEHICLES EQUIPPED WITH TRW STEERING SHAFTS. MISLOCATION OF A 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.

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

DEALERS WILL INSPECT THE STEERING SHAFT USING A WELD PLACEMENT GAUGE AND MISWELDED STEERING SHAFT WILL BE REPLACED FREE OF CHARGE. THE RECALL BEGAN JULY 31, 2009. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.

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…

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

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.

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…

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

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.

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…

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

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.

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.

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

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.

PACCAR IS RECALLING 86 MY 2009 KENWORTH T660, T800, W900, AND PETERBILT 386, 365, AND 388 TRUCKS EQUIPPED WITH BENDIX FRONT AIR DISC BRAKES. THE SIZE 14 SERVICE CHAMBER OF CERTAIN FRONT AIR DISC BRAKES MAY HAVE BEEN CONTAMINATED WITH GREASE BETWEEN THE PISTON HEAD/PLATE AND THE DIAPHRAGM. WHEN BRAKING PRESSURE IS…

THE CATCHING OF THE PISTON HEAD/PLATE ON THE REDUCING RING MAY LOCK UP THE CORRESPONDING FRONT AIR DISC BRAKE WHICH MAY IMPACT THE OPERATOR'S ABILITY TO STEER OR CONTROL THE VEHICLE.

DEALERS WILL REPLACE BOTH FRONT AIR DISC BRAKES SIZE 14 SERVICE CHAMBERS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 27, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.

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.

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.

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.

PACCAR IS RECALLING 62 MY 2009 KENWORTH T660 TRUCKS. THE 90 DEGREE STANDOFF MOUNTED ON THE FRONT BUMPER SUPPORT MAY COME INTO CONTACT WITH THE HOOD STRUT, WHICH MAY RESULT IN A NON-OPERATIONAL HOOD SAFETY LATCH. THE SAFETY LATCH PREVENTS THE HOOD FROM CLOSING.

A NON-OPERATIONAL SAFETY LATCH MAY NOT BE DETECTED BY A DRIVER OR MECHANIC AND COULD INCREASE THE RISK OF PERSONAL INJURY OR VEHICLE DAMAGE.

DEALERS WILL RELOCATE THE 90 DEGREE STANDOFF AND REROUTE THE HEADLIGHT HARNESS AWAY FROM THE HOOD STRUT IN ORDER TO PROVIDE THE CLEARANCE NEEDED. THE RECALL BEGAN ON JULY 21, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

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…

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,…

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.