KENWORTH T800 · model year

2008 KENWORTH T800

2 NHTSA complaints, and 25 active recalls for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2008KENWORTHT800 carries 2 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2008 T800 is fuel system, gasoline:storage:tank assembly with 1 filings, followed by fuel system, other:storage:tank assembly (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 25 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle, the full NHTSA campaign numbers are listed below.

NHTSA currently has 3 investigation files overlapping the 2008 T800. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page, a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

2
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths

Total Complaints

2 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY1
FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY1

Recalls (25)

09V23900030/06/2009

SERVICE BRAKES, AIR

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

07V26900026/06/2007

TRAILER HITCHES

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.

06V44600024/11/2006

VEHICLE SPEED CONTROL:CRUISE CONTROL

AN INCORRECT SWITCH WAS INSTALLED IN THE CRUISE CONTROL SYSTEM ON CERTAIN MODEL T300 TRUCKS.

06V44700024/11/2006

STEERING:COLUMN

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.

08V48500024/09/2008

SUSPENSION

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

08V48700023/09/2008

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

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.

11V12700023/02/2011

FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY

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

08V48600022/09/2008

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

PACCAR IS RECALLING 263 MY 2008-2009 KENWORTH T800, W900 AND PETERBILT 365 AND 384 TRUCKS EQUIPPED WITH C7 OR C9 CATERPILLAR DIESEL ENGINES. THE FUEL PUMP OUTLET CHECK PLUG MAY BE CRACKED WHICH COULD CAUSE FUEL TO SPRAY AND LEAK.

07V13200022/03/2007

POWER TRAIN:AXLE ASSEMBLY

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.

08V12800021/03/2008

PARKING BRAKE:CONVENTIONAL:AIR

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 ALLO

07V59100020/12/2007

STEERING:GEAR BOX:SHAFT SECTOR

ON CERTAIN KENWORTH AND PETERBILT HEAVY DUTY TRUCKS EQUIPPED WITH TAS-85 TRW STEERING GEARS, THE INNER SURFACE OF THE OUTER SECTOR SHAFT TEETH OF THE STEERING GEARS MAY HAVE AN INCORRECT INVOLUTE PROFILE, WHICH MAY LEAD TO CHIPPING AND DAMAGE OF THE GEARING SYSTEM.

09V16600019/05/2009

SERVICE BRAKES, AIR:DISC

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

13V57300018/11/2013

SERVICE BRAKES

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 th

07V16500018/04/2007

ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

CERTAIN TRUCK EQUIPPED WITH BEHR CABLES, THE CABLES WERE INSTALLED INCORRECTLY AND ARE TOO LONG.

07V10700016/03/2007

POWER TRAIN:AUTOMATIC TRANSMISSION

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.

09V01900016/01/2009

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

PACCAR IS RECALLING 1098 KENWORTH MY 2008 T800, W900, MY 2008-2009 T2000 AND PETERBILT MY 2007-2009 379 AND 387 TRUCKS EQUIPPED WITH C15 CATERPILLAR DIESEL ENGINES. THE AFTERTREATMENT REGENERATION DEVICE (ARD) MAY DEVELOP A HOLE AND HEAT AND FLAME MAY ESCAPE DURING A REGENERATION OF THE DIESEL PART

10V63400013/12/2010

POWER TRAIN:AXLE ASSEMBLY

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

07V15300010/04/2007

FUEL SYSTEM, GASOLINE:DELIVERY

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.

08V10400010/03/2008

TRAILER HITCHES

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 PI

08V00200008/01/2008

SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

CERTAIN TRUCKS EQUIPPED WITH EATON SYNFLEX ECLIPSE BRAND EXTRUDED NYLON AIR BRAKE HOSE TUBING FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 106, "BRAKE HOSES." THE TUBING WAS MANUFACTURED WITH ONLY FOUR LAYERS OF NYLON MATERIAL, INSTEAD OF THE SPECIFIED FIVE LAY

08V06500007/02/2008

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

PACCAR IS RECALLING 6,169 MY 2008 KENWORTH T300, T660, T800, T2000, W900 AND C500 VEHICLES AND MY 2008-2009 PETERBILT MODELS 365, 367, 384, 387, 388, 389 AND 389 KITS. CERTAIN DOOR LATCH ASSEMBLIES ON THESE VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 20

20V19900006/04/2020

ELECTRONIC STABILITY CONTROL (ESC)

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-lo

07V28700005/07/2007

ENGINE AND ENGINE COOLING

ON CERTAIN TRUCKS BUILT WITH CUMMINS ISM C876 ENGINES, THE ELECTRONIC CONTROL MODULE FAILS TO RECOGNIZE INPUTS OF THE VEHICLE ELECTRONIC CONTROL UNIT OR FROM A DRIVER ACTUATED DASH SWITCH THEREBY INCREASING THE RISK OF UNINTENDED (OR UNEXPECTED) ELEVATED EXHAUST TEMPERATURES.

10V30800002/07/2010

STEERING:COLUMN

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-SPLIN

07V07300002/03/2007

SERVICE BRAKES, AIR

CERTAIN TRUCKS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." THE TRAILER LIGHT LINE MAY HAVE BEEN ROUTED USING TOO TIGHT OF A BEND RADIUS. THIS ROUTING METHOD COULD CAUSE THE WIRES WITHIN THE HARNESS PLUG TO BE PULLED AWAY FROM THE CHASS

Recent Complaints

20120719FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

2008 KENWORTH T800B. CONSUMER STATES SEVERAL PROBLEMS WITH VEHICLE TO INCLUDE LIQUID NATURAL GAS LEAKS *TGW THE CONSUMER STATED HE WAS PROMISED A WARRANTY ON THE LNG SYSTEM BY THE MANUFACTURER OF THE LNG SYSTEM IN THE TRUCK. HE WAS INFORMED HE COULD ONLY GET THE TRUCK SERVICED BY KENWORTH. HE HAS EXPERIENCED NUMEROUS PROBLEMS WITH THE LNG SYSTEM INCLUDING LIQUID GAS LEAKS OVERNIGHT WHICH CAUSED FREEZING ON THE TANK. SEVERAL VACUUMS HAD BEEN PERFORMED ON THE TANK TO TRY AND GET THE TANK TO WORK, BECAUSE NO ONE WANTED TO REPLACE THE TANK. *JB

20120719FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY

2008 KENWORTH T800B. CONSUMER STATES SEVERAL PROBLEMS WITH VEHICLE TO INCLUDE LIQUID NATURAL GAS LEAKS *TGW THE CONSUMER STATED HE WAS PROMISED A WARRANTY ON THE LNG SYSTEM BY THE MANUFACTURER OF THE LNG SYSTEM IN THE TRUCK. HE WAS INFORMED HE COULD ONLY GET THE TRUCK SERVICED BY KENWORTH. HE HAS EXPERIENCED NUMEROUS PROBLEMS WITH THE LNG SYSTEM INCLUDING LIQUID GAS LEAKS OVERNIGHT WHICH CAUSED FREEZING ON THE TANK. SEVERAL VACUUMS HAD BEEN PERFORMED ON THE TANK TO TRY AND GET THE TANK TO WORK, BECAUSE NO ONE WANTED TO REPLACE THE TANK. *JB

Compare 2008KENWORTHT800 to Similar Vehicles

NHTSA Investigations

Frequently Asked Questions

How many complaints does the 2008 KENWORTH T800 have?
The 2008 KENWORTH T800 has 2 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
Are there any recalls for the 2008 KENWORTH T800?
Yes, the 2008 KENWORTH T800 has 25 recall(s). The most common affected component is SERVICE BRAKES, AIR. Recalls are issued by NHTSA and manufacturers must provide a free remedy.
What are the most common problems with the 2008 KENWORTH T800?
The most-complained component for the 2008 KENWORTH T800 is FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY with 1 complaints. Other frequently reported areas include FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY.
Is the 2008 KENWORTH T800 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.