2010 Kenworth T660 TSBs
54 Technical Service Bulletins across 11 categories
Categories
Engine
24 bulletinsMX RC5-RC14 SOFTWARE UPDATE CAMPAIGN.
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SOFTWARE UPDATES ARE SAID TO BENEFIT THE ENGINES IN RC5 AND RC14 KENWORTH ENGINES. PACCAR/KENWORTH. *KB
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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TRANSMISSION DOES NOT AUTOMATICALLY UPSHIFT WHEN HIGH IDLE SPEED OF ENGINE IS EXCEEDED DUE TO LACK OF PROPER CALIBRATION OF TRANSMISSION FOR-ENGINE. MODELS 2010-2012 T660, T700 AND T800. *PE
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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SPECIFIC PRODUCT IMPROVEMENT ELEMENTS ARE DESCRIBED IN BULLETIN FOR CHASSIS BENEFITING FROM ENGINE SOFTWARE UPDATES. MODELS 2010-2012 T660, T700, T800, W900. *PE
KENWORTH: OIL COLLECTION AT CAC INTAKE PIPE IS CAUSED BY AN IMBALANCE IN TURBOCHARGER PRESSURES.
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MODELS T660, T800, T700, AND W900. *PE
KENWORTH: REGARDING UPDATE INFORMATION FOR ENGINE BRAKE AND THROTTLE PEDAL POSITION RETURN RANGE, WHICH WAS TOO NARROW...
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TO ENGAGE AND ENGINE BRAKE WAS NOT ENGAGING. *PE
KENWORTH (PACCAR): ENGINE SOFTWARE UPDATE REQUIRED FOR INSTALLATION OF HC DOSER SHIELDS AND/OR EGR CLEANING FOR CHASSIS.
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*PE
KENWORTH: ENGINE CONTROL UNIT (ECU), IDENTIFIED AS PMCI IN ENGINE RAPIDO, SHOULD HAVE A PROTECTIVE SHIELD FOR SOFTWARE...
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UPDATES AND THE HC DOSER FITTING INSTALLED FOR AFTER AFTERTREATMENT CONTROL UNIT. *PE
KENWORTH: INFORMATION FOR AFTERTREATMENT, PMCI OR RELATED ISSUES, CAUSED BY CORROSION FOR WATER IN FUEL (WIF) SENSOR,...
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AT ENGINE HARNESS J175 CONNECTOR. *PE
KENWORTH: INFORMATION IN BULLETIN PERTAINING TO POSSIBLE ENGINE DERATE BY WHICH THE DEF FILTERS ARE CLOGGED AND/OR CONTAMINATED DEF IS IDENTIFIED.
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*PE
KENWORTH: INFORMATION PERTAINING TO UPDATING THE ENGINE ON CERTAIN TRUCKS FOR NEW PRODUCTIVE ENGINES.
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EMISSIONS LABEL WITH REQUIRED CLARIFICATION. *PE
KENWORTH: FOR CERTAIN TRUCKS, THE ENGINE CONTROL UNIT (ECU), IDENTIFIED AS PMCI IN ENGINE RAPIDO, AND AFTERTREATMENT...
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CONTROL UNIT WILL BENEFIT FROM SOFTWARE UPDATES. *PE
KENWORTH TRUCK: ON CERTAIN TRUCKS, THE CORRECT EMISSIONS COMPLIANCE LABEL FOR THE PACCAR MX ENGINE IS MISSION ON THE IDENTIFIED CHASSIS.
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*PE
KENWORTH: POWER STEERING PUMP SPOOL VALVE DOES NOT MEET QUALITY STANDARDS.
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THERE MAY BE A LACK OF STEERING ASSIST OR HARD STEERING AT IDLE. *RM
PACCAR: VEHICLES WERE BUILT WITH MISSING REAR AXLE CAMSHAFT BRACES.
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*RM
PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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THERE MAY HAVE BEEN IMPROPER TORQUE TO THE ENGINE COOLANT FILTER WHICH COULD LEAD TO LEAKING AND ENGINE OVERHEATING. *RM
PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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THERE HAVE BEEN UPDATES TO THE ENGINE SOFTWARE. *RM
PACCAR: THE TURBOCHARGER SUPPORT BRACKET HAS BEEN UPDATED.
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*RM
PACCAR: SOFTWARE UPDATES HAVE RESULTED IN CHECK ENGINE LIGHTS COMING ON.
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*RM
PACCAR: CURRENT OIL MODULES ON THE ENGINES HAVE PRODUCT IMPROVEMENTS.
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*RM
PACCAR: ENGINEERING STANDARDS HAVE CHANGED AND THERE ARE NOW ENGINES WITH HEAT TREATED BOLTS.
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*RM
PACCAR: A SOFTWARE UPDATE IS CAUSING THE CHECK ENGINE LIGHT TO COME ON.
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*RM
PACCAR: A COOLANT SIEVE MUST BE REMOVED AT THE FIRST ENGINE OIL CHANGE.
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*RM
KENWORTH TRUCK: PACCAR MX ENGINE BOOST PRESSURE SENSOR WIRE CHAFING.
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CHASSIS WERE BUILT WITH WIRES FOR THE BOOST PRESSURE SENSOR THAT DO NOT MEET QUALITY STANDARDS WITH REGARD TO CHAFING, RUBBING OR RESISTANCE TO WEAR. RUBBING AND CHAFING COULD LEAD TO EXPOSED WIRES WHICH COULD RESULT IN FALSE SIGNALS TO THE ENGINE CONTROL MODULE WHICH COULD AFFECT ENGINE PERFORMANCE. *PE
KENWORTH (PACCAR): CAMPAIGN TO INSPECT FOR MISSING EXHAUST GASKETS.
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CHASSIS LISTED MAY HAVE BEEN MANUFACTURED WITHOUT AN UPPER EXHAUST PIPE GASKET. EQUIPPED WITH PACCAR MX ENGINES ONLY. *PE
Electrical
11 bulletinsInformation Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the...
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appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
Information Only Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead...
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to water intrusion and corrosion in some vehicles.
Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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BULLETIN REFERS TO THE DUAL EXHAUST REAR NOX SENSOR MOISTURE PROTECTION CAMPAIGN. TO DIVERT MOISTURE FROM THE REAR (SCR OUTLET) NOX SENSOR THERE IS A NEW DESIGN FOR EXHAUST ELEMENT. *PE
KENWORTH: INFORMATION REGARDING REAR NOX SENSOR REPAIRS SHOULD INCLUDE SYSTEM UPDATES FOR CHASSIS OPERATING IN...
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CONDITIONS WHICH RESULT IN MOISTURE RELATED SENSOR FAILURES WITH IMPROVED MOISTURE PROTECTION EXHAUST DESIGN FOR REAR NOX SENSOR. *PE
PACCAR: WATER MAY SEEP BETWEEN THE WIRE INSULATION AND POTTING OF THE FUEL SENSOR.
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THERE MAY BE AN ERRATIC FALSE WARNING OF WATER IN FUEL. *RM
KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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THE ODOMETER MAY INACCURATELY RECORD MILEAGE. THE FOG LAMP CIRCUIT MAY NOT WORK WITH THE INSIDE SWITCH. SOME CHASSIS HAVE INACCURATE CHASSIS WEIGHT ON THE DOOR LABEL. *RM
PACCAR: THERE ARE PRODUCT IMPROVEMENTS TO THE TEMPERATURE SENSORS.
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*RM
PACCAR: THERE ARE COOLING MODULES THAT MAY HAVE A LOOSE CONNECTION AT THE CHARGE AIR COOLER MOUNTING.
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*RM
PACCAR INC: FUEL SENSOR INDICATING LESS THAN FULL WHEN THE TANK IS FULL.
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*RM
PACCAR: THE FUEL SENSORS MIGHT NOT HAVE A SEALANT PLUG WHICH COULD LEAD TO WATER INTRUSION, CORROSSION, AND FALSE READINGS.
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*RM
Fuel System
5 bulletinsKENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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LINE FATIGUE FAILURE MAY BE DUE TO EXCESSIVE VIBRATIONS OF HIGH PRESSURE FUEL LINES AND DIESEL FUEL LEAK AND MALFUNCTION INDICATOR LAMP. *PE
PACCAR: FUEL LINE ROUTING PROCEDURE.
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*RM
PACCAR: FUEL INJECTION LINE REPLACEMENT INFORMATION.
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*RM
PACCAR INC: PROGRAMMING CAMPAIGN TO ALLOW PROPER WARNING TIME BEFORE FUEL TANK IS EMPTY.
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*RM
PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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SOME KENWORTH VEHICLES ARE MISSING AN EMISSIONS COMPLIANCE LABEL. *RM
Other
4 bulletins"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes.
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2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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THE ORIGINAL STYLE OIL FILTER CAP SYSTEM IS BEING REPLACED BY AN IMPROVED OIL FILTER CAP LOCK SYSTEM. *PE
PACCAR: THERE MAY BE FALSE TORQUE READINGS AND A POTENTIAL FOR LOOSENING AND/OR LEAKS OF THE DOSER SUPPLY LINE SWIVEL NUT.
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THIS IS DUE TO IT NOT BEING LUBRICATE PRIOR TO ASSEMBLY. *RM
PACCAR: SHACKLE LINKS MAY HAVE BEEN MANUFACTURED INCORRECTLY AND HAVE PREMATURE CRACKING AND/OR A POSSIBLE BROKEN SHACKLE LINK.
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FAILURE OF ONE OR BOTH SHACKLE LINKS MAY RESULT IN THE VEHICLE PULLING TO ONE SIDE. *RM
Body & Paint
2 bulletinsInformation Only Windshield washer pumps have a high No Trouble Found rate.
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Washer pumps may fail to spray due to a clogged filter.
KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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DOOR LABEL (GAWR, GVWR) REPLACEMENT CAMPAIGN. THE GROSS AXLE AND GROSS VEHICLE WEIGHT RATINGS (GAWR AND GVWR RESPECTIVELY) LISTED ON THE DOOR CERTIFICATION LABEL, MAY HAVE NOT BEEN ROUNDED APPROPRIATELY DUE TO A CONVERSION FACTOR ISSUE AT ONE OF THE PLANTS. CSC LETTER HAS BEEN RECEIVED. *PE
Lighting
2 bulletinsKENWORTH: CERTAIN MODEL TRUCKS WILL HAVE AN INCOMPLETE DEAERATION WHEN RADIATOR IS DRAINED AND THEN REFILLED DUE TO...
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AN IMPROPER COOLANT LINE ROUTING. *PE
PACCAR: THE CHASSIS NEEDS TO HAVE PRODUCTION PARTS INSTALLED AND PRE-PRODUCTION PARTS REMOVED.
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*RM
Transmission
2 bulletinsPACCAR: THE TRANSMISSION AND CLUTCH MOUTNING BOLTS ARE DEFECTIVE AND MAY CRACK.
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THERE MAY BE NOISE, VIBRATION, OR DIFFICULTY SHIFTING. *RM
PACCAR: INFORMATION ON PREMATURE FAN CLUTCH LINING WEAR.
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*RM
Brakes
1 bulletinCertain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air volume...
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requirements per FMVSS/CMVSS 121 Air Brake Systems. This bulletin will be updated when repair parts and procedures are available.
HVAC & Climate
1 bulletinInformation Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the...
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A/C compressor.
Software & Calibration
1 bulletinPACCAR: SOFTWARE UPDATE INFORMATION.
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*RM
Suspension
1 bulletinPACCAR: INFORMATION ON FAN HUB BEARINGS INSPECTION AND WARRANTY EXTENSION DUE TO A HIGHER THAN NORMAL FAILURE RATE.
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*RM