2011 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 Incorporated (PACCAR) is recalling certain model year 2011-2016 Kenworth T440, T470, T660, T680, and T880 trucks manufactured January 14, 2010, to May 22, 2015, and equipped with HID Headlamps and the option for Daytime Running Lamps (DRL). The DRLs are required to deactivate when the hazard warning lights…

If the hazard warning lamps are overridden by the DRL, oncoming vehicles may fail to be warned, increasing the risk of a crash.

Kenworth will notify owners, and dealers will update the cab controller software, free of charge. The recall began on September 167, 2015. Owners may contact Kenworth customer service at 1-425-828-5000. Kenworth's number for this recall is 15KWL.

PACCAR Incorporated (PACCAR) is recalling certain model year 2011-2016 Kenworth T270, T370, T440, T470, C500, C540, C550, T660, T800, W900, and 963 trucks manufactured November 1, 2010, to April 6, 2015. In the affected trucks, water may leak into the wiper motor.

As water leaks in, the wiper may cease to function on the 'intermittent' setting, reducing the driver's visibility and increasing the risk of a crash. Additionally, the water may cause corrosion which, over time, may result in an electrical short, increasing the risk of a fire.

PACCAR is still developing and testing a remedy. The recall is expected to begin in July 2015. An interim letter was sent to owners on July 2, 2015. The recall began on September 2, 1015. Owners may contact Kenworth customer service at 1-425-828-5000. PACCAR's number for this recall is 15KWF.

PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T660, T700, AND T800 VEHICLES MANUFACTURED FROM APRIL 19, 2010, THROUGH MAY 13, 2011, AND MODEL YEAR 2008, 2010, AND 2011 PETERBILT 365, 367, 384, 386, 387, 388 AND 587 VEHICLES MANUFACTURED FROM APRIL 20, 2010, THROUGH JUNE 11, 2011, AND EQUIPPED WITH PACCAR…

IF THE FAST IDLE CONTROL FUNCTION IS ENGAGED WITH THE TRANSMISSION IN GEAR, THE VEHICLE COULD UNEXPECTEDLY ACCELERATE AND OVERRIDE THE PARKING BRAKE AND , CREATING A RISK OF A CRASH AND DAMAGE TO OTHER VEHICLES OR PROPERTY AND THE POTENTIAL FOR INJURY TO NEARBY PEDESTRIANS.

KENWORTH AND PETERBILT DEALERS WILL UPDATE THE ENGINE SOFTWARE FOR THE AFFECTED CHASSIS. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON AUGUST 22, 2011. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.

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 2011-2012 KENWORTH T270/370, T440/T470, T800, T660, W900 AND C500 VEHICLES MANUFACTURED BETWEEN OCTOBER 18, 2010, AND JANUARY 28, 2011. CERTAIN CAST IRON SLACK ADJUSTER HOUSINGS, WHICH TRANSMIT BRAKING FORCE FROM THE BRAKE CHAMBER PUSH ROD TO THE BRAKE CAM TUBE, MAY INCLUDE A…

IF THE SLACK ADJUSTER HOUSING WERE TO FRACTURE, THE WHEEL BRAKE TO WHICH THE SLACK ADJUSTER HOUSING IS ATTACHED WOULD NO LONGER FUNCTION, WHICH COULD INCREASE VEHICLE STOPPING DISTANCES, AND IF MOUNTED ON THE STEER AXLE, COULD CAUSE THE VEHICLE TO PULL TO ONE SIDE DURING BRAKING, INCREASING THE RISK OF A CRASH.

DEALERS WILL INSPECT AND REPLACE THE SLACK ADJUSTER HOUSING AS NECESSARY. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 30, 2011. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.

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…

KENWORTH IS RECALLING CERTAIN MODEL YEAR 2011 T660 AND T700 TRACTOR TRAILERS MANUFACTURED BETWEEN AUGUST 9, 2010, AND NOVEMBER 4, 2010. THE SAFETY LATCH FEATURE THAT KEEPS THE HOOD OF THE VEHICLE FROM CLOSING AFTER A USER OPENS THE HOOD MAY FAIL TO OPERATE.

FAILURE OF THE SAFETY LATCH FEATURE MAY CAUSE THE HOOD TO UNEXPECTEDLY CLOSE WHILE OPEN, INCREASING THE RISK OF PERSONAL INJURY AND/OR VEHICLE DAMAGE.

DEALERS WILL REPLACE THE DUAL MAGNETS WITH A SINGLE MAGNET ON THE SAFETY LATCH. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON FEBRUARY 28, 2011. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

PACCAR IS RECALLING CERTAIN MODEL YEAR KENWORTH T660 AND T800 VEHICLES MANUFACTURED FROM SEPTEMBER 13, 2010, THROUGH NOVEMBER 19, 2010, FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. PART 567, "CERTIFICATION." THE STEER AXLE GAWR AND GVWR RECORDED ON THE VEHICLE'S DOOR…

THIS MAY LEAD TO AN OWNER OVERLOADING THE VEHICLE WHICH CAN INCREASE THE RISK OF A TIRE FAILURE AND CRASH.

DEALERS WILL INSPECT AND REPLACE THE DOOR LABELS FREE OF CHARGE. THE SAFETY RECALL BEGAN ON DECEMBER 17, 2010. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.

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 KENWORTH AND PETERBILT VEHICLES. A MANUFACTURING DEFECT IN THE SEAL SUPPLIED BY A COMPONENT MANUFACTURER INSTALLED ON THE OUTPUT SHAFT OF THE EXHAUST GAS RECIRCULATION (EGR) VALVE ACTUATOR MAY CAUSE EVENTUAL DELAMINATION OF THE SEAL. DELAMINATION OF THE SEAL MAY ALLOW ENGINE…

THE LEAKING OF ENGINE OIL ONTO HOT EXHAUST COMPONENTS, SUCH AS WHEN THE ENGINE IS UNDER SIGNIFICANT LOAD, MAY CREATE THE POSSIBILITY OF A FIRE.

DEALERS WILL REPLACE THE EGR VALVE ASSEMBLY ON THE SUBJECT VEHICLES EQUIPPED WITH THE PACCAR MX ENGINE. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON OCTOBER 29, 2010. OWNERS MAY CONTACT KENWORTH AT 425-828-5440 AND PETERBILT AT 940-591-4196.

KENWORTH IS RECALLING CERTAIN MODEL YEAR 2011 T660, T800, W900, C500, T440, AND T470 VEHICLES MANUFACTURED FROM APRIL 1, 2009, THROUGH AUGUST 30, 2010. ONE OF THE FOUR HARNESS SPADE TERMINAL CONNECTIONS TO THE CHASSIS LOAD CENTER MAY BECOME COMPLETELY UNSEATED. A COMPLETELY UNSEATED CONNECTION MAY RESULT IN A POWER…

POWER LOSS OF THE VEHICLE'S EXTERIOR LIGHTING MAY REDUCE THE VISIBILITY OF THE VEHICLE TO OTHER DRIVERS INCREASING THE RISK OF A CRASH WITH THE VEHICLE.

DEALERS WILL INSPECT THE HARNESS AND RE-SEATING THE FEMALE CONNECTORS ON THE MALE SPADE TERMINALS. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON OCTOBER 29, 2010. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.