2007 KENWORTH T660
8 recalls, 0 complaints - 36 TSBs
11V203000 Mar 24, 2011
ENGINE AND ENGINE COOLING
Defect Description
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 ... Read more
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 FR... Read more
11V127000 Feb 23, 2011
FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY
Defect Description
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 ... Read more
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 PET... Read more
10V634000 Dec 13, 2010
POWER TRAIN:AXLE ASSEMBLY
Defect Description
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... Read more
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.
09V239000 Jun 30, 2009
SERVICE BRAKES, AIR
Defect Description
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 TUB... Read more
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 1-425-82... Read more
09V166000 May 19, 2009
SERVICE BRAKES, AIR:DISC
Defect Description
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 CALIP... Read more
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.
08V485000 Sep 24, 2008
SUSPENSION
Defect Description
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 ... Read more
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.
08V487000 Sep 23, 2008
ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Defect Description
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.
07V269000 Jun 26, 2007
TRAILER HITCHES
Defect Description
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.
No complaints found for this vehicle.
Technical Service Bulletins, 2007 KENWORTH T660
36 manufacturer communications from 26 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL | 7 |
| 110000 ELECTRICAL SYSTEM | 3 |
| 061000 ENGINE AND ENGINE COOLING:ENGINE | 2 |
| 350000 EQUIPMENT | 2 |
| 062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN | 2 |
| 111100 ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES | 1 |
| 353000 EQUIPMENT:ELECTRICAL | 1 |
| 114000 ELECTRICAL SYSTEM:WIRING | 1 |
02-160
Feb 10, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
02-160
Feb 10, 2021
350000 EQUIPMENT
Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
02-160
Feb 10, 2021
136000 VISIBILITY:WINDSHIELD WIPER/WASHER
Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
02-160
Feb 10, 2021
130000 VISIBILITY
Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
32-015
Jun 8, 2020
110000 ELECTRICAL SYSTEM
Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplet
32-016
Mar 17, 2020
350000 EQUIPMENT
Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
34-085
Mar 3, 2020
180000 VEHICLE SPEED CONTROL
Information Only a?? Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles.
34-085
Mar 3, 2020
110000 ELECTRICAL SYSTEM
Information Only a?? Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles.
01-075
Nov 6, 2019
060000 ENGINE AND ENGINE COOLING
Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor.
TIB-44-024
Jul 18, 2012
030000 BRAKES (PWS)
KENWORTH: REGARDING UPDATE INFORMATION FOR ENGINE BRAKE AND THROTTLE PEDAL POSITION RETURN RANGE, WHICH WAS TOO NARROW TO ENGAGE AND ENGINE BRAKE WAS NOT ENGAGING. *PE
TIB-44-024
Jul 18, 2012
060000 ENGINE (PWS)
KENWORTH: REGARDING UPDATE INFORMATION FOR ENGINE BRAKE AND THROTTLE PEDAL POSITION RETURN RANGE, WHICH WAS TOO NARROW TO ENGAGE AND ENGINE BRAKE WAS NOT ENGAGING. *PE
TIB-E-055
Jul 9, 2012
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
KENWORTH: OIL COLLECTION AT CAC INTAKE PIPE IS CAUSED BY AN IMBALANCE IN TURBOCHARGER PRESSURES. MODELS T660, T800, T700, AND W900. *PE
TIB-E-053
Jun 21, 2012
092200 FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. LINE FATIGUE FAILURE MAY BE DUE TO EXCESSIVE VIBRATIONS OF HIGH PRESSURE FUEL LINES AND DIESEL FUEL LEAK AND MALFUNCTION INDICATOR LAMP. *PE
TIB-E-053
Jun 21, 2012
072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. LINE FATIGUE FAILURE MAY BE DUE TO EXCESSIVE VIBRATIONS OF HIGH PRESSURE FUEL LINES AND DIESEL FUEL LEAK AND MALFUNCTION INDICATOR LAMP. *PE
TIB-42-043
Aug 1, 2011
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
PACCAR: INFORMATION ON FAN HUB BEARINGS INSPECTION AND WARRANTY EXTENSION DUE TO A HIGHER THAN NORMAL FAILURE RATE. *RM
TIB-42-48
Jul 6, 2011
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
PACCAR: INFORMATION ON PREMATURE FAN CLUTCH LINING WEAR. *RM
TIB-E-023
Jan 27, 2011
118000 ELECTRICAL SYSTEM:SOFTWARE
PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THERE HAVE BEEN UPDATES TO THE ENGINE SOFTWARE. *RM
TIB-E-023
Jan 27, 2011
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THERE HAVE BEEN UPDATES TO THE ENGINE SOFTWARE. *RM
TIB-E011
Dec 15, 2010
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
PACCAR: ENGINEERING STANDARDS HAVE CHANGED AND THERE ARE NOW ENGINES WITH HEAT TREATED BOLTS. *RM
TIB-E-009
Dec 2, 2010
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
PACCAR: A SOFTWARE UPDATE IS CAUSING THE CHECK ENGINE LIGHT TO COME ON. *RM
TIB-04-12
Sep 30, 2009
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
KENWORTH: CENTER FAIRING RATTLING LOOSE CAUSING DAMAGE TO FAIRING SUPPORT TUBES. ANY T660S EQUIPPED WITH FULL CHASSIS FAIRINGS. NO MODEL YEARS LISTED. *PE
TIB-34-34
Sep 29, 2009
121100 EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES
KENWORTH TRUCKS: HEADLIGHT MOISTURE REPAIRS. BEADS OF MOISTURE OR POOLING WATER VISIBLE THROUGH THE HEADLIGHT LENSES. INSPECT FOR MISSING HEADLIGHT VENT AND/OR ROCK SHIELD AND REPAIR AS NECESSARY. *PE
TIB-34-34
Sep 29, 2009
121000 EXTERIOR LIGHTING:HEADLIGHTS
KENWORTH TRUCKS: HEADLIGHT MOISTURE REPAIRS. BEADS OF MOISTURE OR POOLING WATER VISIBLE THROUGH THE HEADLIGHT LENSES. INSPECT FOR MISSING HEADLIGHT VENT AND/OR ROCK SHIELD AND REPAIR AS NECESSARY. *PE
TIB-01-56
Mar 18, 2009
112000 ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
KENWORTH: WHEN CHARGING KENWORTH CLEAN POWER SYSTEM STORAGE COOLER, THE INVERTER MAY TRIP, CAUSING THE COMPRESSOR OPERATION TO SHUT DOWN. A RED LIGHT ON SLEEPER CONTROL PANEL WILL ILLUMINATE AS AN INDICATION OF THIS FAULT.
01-55
Mar 18, 2009
114000 ELECTRICAL SYSTEM:WIRING
KENWORTH: CLEAN POWER SYSTEM HIGH VOLTAGE REPAIR. HIGH VOLTAGE WARNING LIGHT ON THE VOLTMETER. T660S BUILT AND EQUIPPED WITH THE KENWORTH CLEAN POWER SYSTEM SINCE 05/25/07. *PE UPDATED 9/29/09. *PE
01-55
Mar 18, 2009
110000 ELECTRICAL SYSTEM
KENWORTH: CLEAN POWER SYSTEM HIGH VOLTAGE REPAIR. HIGH VOLTAGE WARNING LIGHT ON THE VOLTMETER. T660S BUILT AND EQUIPPED WITH THE KENWORTH CLEAN POWER SYSTEM SINCE 05/25/07. *PE UPDATED 9/29/09. *PE
TIB-44-17
Oct 23, 2008
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
KENWORTH TRUCKS: REDUCED ENGINE POWER FROM FUEL STARVATION. ANY MODEL KENWORTH EQUIPPED WITH THE 2007 EMISSIONS COMPLIANT ISX ENGINE AND OPTIONAL DAVCO 382 FUEL FILTER, BUILT PRIOR TO 8/11/08, *PE
TIB-44-17
Oct 23, 2008
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
KENWORTH TRUCKS: REDUCED ENGINE POWER FROM FUEL STARVATION. ANY MODEL KENWORTH EQUIPPED WITH THE 2007 EMISSIONS COMPLIANT ISX ENGINE AND OPTIONAL DAVCO 382 FUEL FILTER, BUILT PRIOR TO 8/11/08, *PE
TIB-43-14
Oct 16, 2008
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
KENWORTH CHASSIS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CLEAN GAS INDUCTION (CGI) GASKET CAMPAIGN. CSC LETTER WAS RECEIVED. CHASSIS MODELS AFFECTED T2000, T660,T800 AND W900. MODEL YEARS 2005-08 *PE
43-12
Oct 16, 2008
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. KENWORTH (PACCAR CO): CLEAN GAS INDUCTION (CGI) FLEX PIPE INSPECTIONS. CHASSIS WITH CATERPILLAR 2007 EMISSIONS COMPLIANT ENGINES, C9, C13 OR C15, SHOULD HAVE THE CGI
45-32
Jun 25, 2008
061000 ENGINE AND ENGINE COOLING:ENGINE
KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. OIL FILL SUPPORT BRACKET CAMPAIGN. AN ASSEMBLY PROCESS MAY HAVE RESULTED IN OMITTING AN OIL TUBE SUPPORT BRACKET. ORIGINAL PUBLICATION 6/11/2008. CSC WAS RECEIVED.
43-11
Jun 11, 2008
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
KENWORTH (PACCAR): THE VERTICAL TAILPIPE(S) DIFFUSER TURNS. AFFECTED: ALL T2000S, T660S, T800S AND W900S CHASSIS BUILT FROM 04/25/08 TO 02/11/08 WITH 2007 ENGINES. *PE
01-54
Mar 26, 2008
353000 EQUIPMENT:ELECTRICAL
KENWORTH CLEAN POWER SYSTEM HEATER TEMPERATURE CONTROL. ANY T660 BUILT SINCE 06/25/07, IF EQUIPPED WITH KENWORTH CLEAN POWER SYSTEM. *PE
0153
Jan 16, 2008
111100 ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
KENWORTH - CLEAN POWER MAX2000 INVERTER TERMINAL REPAIR -- MAY BREAK IF OVER TIGHTENED. *NJ
418
Jan 9, 2008
061000 ENGINE AND ENGINE COOLING:ENGINE
KENWORTH - HIGH ENGINE AIR INTAKE TEMPERATURE, ENGINE DE-RATE AND AIR INTAKE BOOT ON T660 W/ A [CHECK ENGINE] LIGHT WITH FAULT CODES 155, 2346, 2347, 2451, OR 2964. *NJ
4530
Aug 29, 2007
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
COLLECTION OF DPF AND ENGINE PART/SERIAL NUMBERS COMAPAIGN. *KB
KENWORTH T660 - All Years Overview
Complete safety history for the KENWORTH T660 across all model years (2004, 2020).
137
Total Recalls
10
Total Complaints
0
Investigations
2
Reported Crashes
1
Reported Fires
0
Reported Deaths
KENWORTH T660 - Year by Year
Compare recalls and complaints across model years. Click any year to see full details.