Problems owners report
Complaints filed with NHTSA about the 2007 Kenworth W900, by the system named in each complaint. One complaint can name several.
- Engine and engine cooling2
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
New York safety inspections
At its first New York inspection the 2007 Kenworth W900 failed the safety check 0.43% of the time — 82% less often than the average 2007 passenger car (2.42%). Median odometer at inspection: 299,091 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Recalls in Canada
15 Transport Canada recalls for the 2007 Kenworth W900.
| 2011130 24 Mar 2011 | Engine On certain trucks equipped with a Caterpillar C15 diesel engine, the Diesel Particulate Filter (DPF) combustion tube may fail. This could result in a vehicle f… |
| 2011087 25 Feb 2011 | Engine On certain vehicles equipped with a PACCAR MX engine, the oil module centrifugal spinner filter cap may become loose, possibly allowing the cap to come off and … |
| 2010441 13 Dec 2010 | Powertrain On certain vehicles, the bearing surfaces of the extended lube universal joint that attaches the inter-axle driveline to the drive axle may become prematurely w… |
| 2009314 29 Oct 2009 | Brakes Certain vehicles may suffer cracking of various brake assembly components (i.e. brake cam tube mounting flanges, brake air chamber bracket, brake air chamber, b… |
| 2009247 19 Aug 2009 | Engine On certain vehicles equipped with a Caterpillar C15 engine, the Variable Valve Actuation (VVA) oil line may wear against the P-clip retaining the oil line. An … |
| 2009145 20 May 2009 | Brakes On certain vehicles, the caliper mounting fasteners attaching the air disc brake caliper assembly to the torque plate may have received insufficient tightening … |
| 2008358 1 Oct 2008 | Suspension Certain vehicle configuration which includes an AG400 rear suspension, long stroke brake chambers, and wide base tires may develop an increase in lateral and ve… |
| 2008349 24 Sept 2008 | Other On certain trucks, the inadequate stiffness of the Diesel Particulate Filter (DPF) bracket could result in the separation of the DPF from the chassis, which co… |
| 2008142 28 Apr 2008 | Lights And Instruments On certain vehicles, the trailer cable mounting bracket has a "U-shaped" cut-out that only partially supports the trailer cable connection. This may allow the … |
| 2008072 29 Feb 2008 | Brakes On certain vehicles, the slack adjuster may develop a fatigue crack and fail. This would render the slack adjuster inoperative, and reduce braking effectivenes… |
| 2007145 8 May 2007 | Fuel System On certain trucks, when the ignition key is in the 'ON' position, the pre-heater, located in the fuel filter base, is energized. If this pre-heater is energize… |
| 2007112 10 Apr 2007 | Powertrain On certain trucks, the wiring, parts, or transmission programming required for the auto neutral feature to function as designed were either not installed, conne… |
| 2007092 21 Mar 2007 | Brakes Certain trucks fail to comply with the requirements of CMVSS 121 - Air Brake Systems. In designing a Primaax suspension into certain models, engineers relocate… |
| 2007090 20 Mar 2007 | Other On certain trucks, the axle housing may have been manufactured with steel that was out of specification (9.5mm thick instead of 11mm thick), which could result … |
| 2006314 17 Nov 2006 | Steering On certain trucks, the tilt locking mechanism on the steering column may disengage, preventing the steering column from locking into predetermined positions. S… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
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."
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.
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.
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.
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.
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.
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.
PACCAR IS RECALLING 3,573 MY 2007 KENWORTH C500, T800, T600, T2000, AND W900 CHASSIS BUILT WITH PHILLIPS QCS II TRAILER CABLE CONNECTION AND TRAILER CABLE MOUNTING BRACKET WITH 'U-SHAPED' CUT OUT. CERTAIN TRAILER CABLE MOUNTING BRACKETS HAVE A 'U-SHAPED' CUT OUT THAT ONLY PARTIALLY SUPPORTS THE TRAILER CABLE CONNECTION. PARTIAL SUPPORT OF THE CABLE CONNECTION MAY ALLOW THE MOLDED BOOT AND ELECTRICAL GROUND PIN TO PARTIALLY OR COMPLETELY PULL AWAY FROM THE 7-WAY SOCKET. PARTIAL OR COMPLETE DETACHMENT OF THE CABLE CONNECTION CAN CAUSE REDUCED WATER RESISTANCE AND POTENTIAL LOSS OF ELECTRICAL GROUND. THERE IS ALSO A POSSIBILITY THE TRAILER LIGHTS MAY FAIL TO ILLUMINATE WITHOUT THE OPERATOR'S KNOWLEDGE.
PACCAR IS RECALLING 172 MY 2007 KENWORTH T800 SHORT HOOD, W900 LONG HOOD AND T600 TRACTOR/TRAILERS EQUIPPED WITH SAF-HOLLAND SIMPLEX FIFTH WHEELS. IF THE PIVOT BOLT JOINT FOR THE LEVER BAR IS OVER TORQUED, THE SPACER DEFORMS, AND MAKES CONTACT WITH THE LEVER BAR. THIS CONDITION COUPLED WITH CORROSION ASSOCIATED WITH THE SEASONAL DRY OUT, CAN AFFECT THE LOCK SYSTEM OF THE FIFTH WHEEL, PREVENTING THE FIFTH WHEEL JAW FROM LATCHING SECURELY AROUND THE TRAILER KING PIN.
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.
PACCAR IS RECALLING 130 MY 2005-2007 KENWORTH C500, T800, W900, AND PETERBILT MODELS 357 AND 379 TRACTOR TRAILERS EQUIPPED WITH FABCO SLACK ADJUSTERS ON SISU AXLES. THE SLACK ADJUSTERS MAY FAIL AS A RESULT OF A FATIGUE CRACK RENDERING THE SLACK ADJUSTER INOPERATIVE. THIS COULD REDUCE BRAKING EFFECTIVENESS.
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.
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.
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.
CERTAIN TRUCKS FAIL TO COMPLY WITH THE BRAKE TIMING REGULATORY REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." THE BRAKE VALVE WAS MOVED TO THE OPPOSITE RAIL, INCREASING THE LENGTH OF THE AIR LINE, WHICH IN TURN INCREASED THE WHEELBASE REQUIRING A DUAL RELAY VALVE SYSTEM. THE VEHICLES WERE MANUFACTURED WITH A SINGLE VALVE SYSTEM.
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.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Kenworth told its dealers about the 2007 Kenworth W900: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 10188550 | Information Only Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter. |
| 10177021 | 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 incomplete information. |
| 10173212 | Information Only Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles. |
| 10173205 | Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage. |
| 10168703 | Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor. |
| 10056911 | KENWORTH: SOME TRUCKS FAILED TO MEET COMPANY STANDARDS FOR AIR VOLUME LIFT AXLE AND THE COMPANY WILL INCREASE AIR VOLUME FOR WORTHWHILE IMPROVEMENT TO EXCEED GOVERNMENT FMVSS 121. MODEL T800, W900. *PE |
| 10045240 | KENWORTH: OIL COLLECTION AT CAC INTAKE PIPE IS CAUSED BY AN IMBALANCE IN TURBOCHARGER PRESSURES. MODELS T660, T800, T700, AND W900. *PE |
| 10045239 | 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 |
| 10044799 | 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 |
| 10040384 | PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THERE HAVE BEEN UPDATES TO THE ENGINE SOFTWARE. *RM |
| 10040181 | PACCAR: ENGINEERING STANDARDS HAVE CHANGED AND THERE ARE NOW ENGINES WITH HEAT TREATED BOLTS. *RM |
| 10040180 | PACCAR: A SOFTWARE UPDATE IS CAUSING THE CHECK ENGINE LIGHT TO COME ON. *RM |
| 10040167 | PACCAR: INFORMATION ON PREMATURE FAN CLUTCH LINING WEAR. *RM |
| 10040166 | PACCAR: INFORMATION ON FAN HUB BEARINGS INSPECTION AND WARRANTY EXTENSION DUE TO A HIGHER THAN NORMAL FAILURE RATE. *RM |
| 10030408 | KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. TOP TANK REPLACEMENT FOR C500 AND W900 WITH ISX; FIELD CAMPAIGN. EARLY DESIGN TOP TANKS ON 1430 SQUARE INCH RADIATORS FOR 2007 EMISSIONS COMPLIANT ENGINES CAN CREATE COOLANT PUMP AND/OR EXHAUST GAS RECIRCULATION (EGR) COOLER FAILURES. *PE |
| 10028346 | KENWORTH TRUCKS: PX-8 AND CUMMINS ISL ENGINE CALIBRATION CAMPAIGN C0844. UPGRADE ENGINE CONTROL SOFTWARE FOR PACCAR PX 8 AND CUMMINS ISL ENGINES TO ENHANCE PERFORMANCE AND RELIABILITY. *PE |
| 10027784 | KENWORTH TRUCKS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. BENDIX ACOM REPORT CAMPAIGN. KENWORTH DOES NOT HAVE THE ABS ECU ACOM REPORT FOR CHASSIS LISTED. THE ABS ECU ACOM REPORT IS NECESSARY TO ENSURE THE PROPER ECU IS INSTALLED. CSC LETTER WAS RECEIVED. *PE |
| 10027666 | 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 |
| 10027664 | KENWORTH TRUCKS: THE INLET PIPE CONNECTIONS FOR ISX ENGINES. THE KENWORTH AIR INLET PIPE TO THE ISX TURBO MAY BECOME DETACHED. CHASSIS AFFECTED T2000, T800, AND W900. MODEL YEARS UNKNOWN. *PE |
| 10027646 | 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 |
| 10025758 | 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 |
| 10025757 | 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 FLEX PIPE INSPECTED FOR DAMAGE. MODEL YEARS UNKNOWN. *PE UPDATED 1/15/09. MODEL T2000, T660, T800 AND W900; YEARS 2005-2008. *PE UPDATED 1/27/09. CSC LETTER WAS RECEIVED. *8PE |
| 10024921 | WINDSHIELD REPAIRS ON CONVENTIONAL CABS. ALL C500'S, T300'S, T600'S, T800'S AND W900'S EQUIPPED WITH CURVED GLASS. MODEL YEAR UNKNOWN. *NJ |
| 10024099 | KENWORTH - WINDSHIELD GASKET AND URETHANE ANALYSIS. MODELS T600, T800, AND W900. *NJ |
| 10023671 | KENWORTH - IN-CAB BATTERY BOX FLOOR BRACKET CAMPAIGN -- ADDITIONAL RETAINING NUTS & WASHERS ARE REQUIRED ON THE BATTERY BOX SECURING PLATES. 2007 MODEL YEAR T800S & W900S BUILT BETWEEN 2/19/07 AND 4/30/07. *NJ |
NHTSA manufacturer communications (public domain)
NHTSA investigations
Driveshaft separates from tractor
Horton Fan Hub Failures
REAR BRAKE AIR CHAMBER MTG BRACKETS
NHTSA Office of Defects Investigation