2018 KENWORTH T800 — Problems, Recalls & Safety Data
N/A
Safety Rating
1
Owner Complaint
11
Recalls
2
Service Bulletins
0
Investigations
Overview of the 2018 KENWORTH T800
The 2018 KENWORTH T800 has received a total of 1 safety complaint filed with the National Highway Traffic Safety Administration (NHTSA). There have been 15 recall campaigns affecting this vehicle, covering issues with SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK, SEAT BELTS, STEERING:CRITICAL FASTENERS. 2 technical service bulletins have been issued by PACCAR Incorporated for this model year. The most commonly reported problem area is the Unknown Or Other (1 complaint).
Recalls for the 2018 KENWORTH T800
NHTSA has recorded 15 recalls for the 2018 KENWORTH T800, potentially affecting up to 1,214,994 vehicles.
Recall 24V145000 — SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK
| 936 vehicles affected
Defect: 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 tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the...
Consequence: Insufficient air volume can reduce braking performance and increase the risk of a crash.
Remedy: 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...
View full details →Recall 23V717000 — SEAT BELTS
| 3,841 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T660, 2018-2024 Kenworth T800 and W900 vehicles. An additional spacer may have been added to the joint that connects the seat to the seat belt tether and buckle, causing an unsecured connection.
Consequence: An unsecured seat belt connection may not properly restrain an occupant during a crash, increasing their risk of injury.
Remedy: Dealers will inspect and remove the additional spacer and replace the bolt, as necessary, free of charge. Owner letters were mailed March 20, 2024. Owners may contact PACCAR's customer service at 1-425-828-5888. PACCAR's number for this recall is 23KWK.
View full details →Recall 22V277000 — STEERING:CRITICAL FASTENERS
| 17,641 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2018-2020 Kenworth T270, T370, T440, T470, T660, T680, T880, T800, W900, W990; and 2018-2020 Peterbilt 330, 337, 348, 365, 367, 389, 520, 567, and 579 vehicles. The Dana D-Series axle steer arm fasteners that attach the steering arm to the steering knuckle may fail.
Consequence: Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.
Remedy: Dealers will replace and torque the steer arm fasteners, at no charge. Owner notification letters were mailed November 8, 2022. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are...
View full details →Recall 21V391000 — FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
| 612 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth T270, T370, T440, T470, T800 and T880 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.
View full details →Recall 21V391000 — FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
| 612 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth T270, T370, T440, T470, T800 and T880 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.
View full details →Recall 20V199000 — ELECTRONIC STABILITY CONTROL (ESC)
| 460,515 vehicles affected
Defect: 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 (ABS) loses battery and/or ignition power to the controller, the...
Consequence: If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
Remedy: 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...
View full details →Recall 20V199000 — SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
| 460,515 vehicles affected
Defect: 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 (ABS) loses battery and/or ignition power to the controller, the...
Consequence: If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
Remedy: 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...
View full details →Recall 18V368000 — ELECTRONIC STABILITY CONTROL (ESC)
| 85,626 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Peterbilt 567 and 579 trucks and 2015-2018 Kenworth T660, T680, T800, T880 and W900 trucks. In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may not illuminate to warn the driver of the loss of ABS. As such,...
Consequence: If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
Remedy: 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 July 30, 2018. Owners may contact Peterbilt customer service at 1-918-259-3258 or Kenworth customer...
View full details →Recall 18V368000 — SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
| 85,626 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Peterbilt 567 and 579 trucks and 2015-2018 Kenworth T660, T680, T800, T880 and W900 trucks. In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may not illuminate to warn the driver of the loss of ABS. As such,...
Consequence: If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
Remedy: 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 July 30, 2018. Owners may contact Peterbilt customer service at 1-918-259-3258 or Kenworth customer...
View full details →Recall 18V931000 — POWER TRAIN:CLUTCH ASSEMBLY
| 25,556 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2018-2019 Peterbilt 337, 348, 365, 367, 389, 567, 579 and 587 trucks and 2018-2019 Kenworth C500, T270, T370, T440, T660, T680, T800, T880 and W900 trucks equipped with automated manual transmissions. An internal component in the clutch assembly may fail, possibly resulting in unintended vehicle movement.
Consequence: Unintended movement of a vehicle can increase the risk of a crash.
Remedy: PACCAR will notify owners, and dealers will update the transmission control module, free of charge. The recall began February 23, 2019. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's numbers for this recall are 18PBE and 18KWH.
View full details →Recall 18V555000 — ELECTRICAL SYSTEM:WIRING
| 11,429 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2016-2019 Kenworth C500, T660, T800, and W900 vehicles, equipped with 1.9M ISX15 engines. The engine harnesses may have been manufactured without check engine light (CEL) and stop engine light (SEL) circuits, preventing the driver from being warned of a serious engine problem.
Consequence: If the driver is not warned of a serious engine problem, the engine may unexpectedly fail, increasing the risk of a crash.
Remedy: PACCAR will notify owners, and dealers will inspect or test the ISX15 engine harness, and install an overlay jumper harness to supply the missing CEL and SEL circuits, free of charge. The recall began November 30, 2018. Owners may contact...
View full details →Recall 18V555000 — ENGINE AND ENGINE COOLING:ENGINE:DIESEL
| 11,429 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2016-2019 Kenworth C500, T660, T800, and W900 vehicles, equipped with 1.9M ISX15 engines. The engine harnesses may have been manufactured without check engine light (CEL) and stop engine light (SEL) circuits, preventing the driver from being warned of a serious engine problem.
Consequence: If the driver is not warned of a serious engine problem, the engine may unexpectedly fail, increasing the risk of a crash.
Remedy: PACCAR will notify owners, and dealers will inspect or test the ISX15 engine harness, and install an overlay jumper harness to supply the missing CEL and SEL circuits, free of charge. The recall began November 30, 2018. Owners may contact...
View full details →Recall 18V657000 — ENGINE AND ENGINE COOLING:ENGINE:DIESEL
| 48,896 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2017-2019 Kenworth C500, T600, T660, T680, T800, T880 and W900 trucks, as well as Peterbilt 367, 386, 389, 567, 579 and 587 trucks, equipped with Cummins ISX15 or X15 diesel engines. In certain driving conditions, such as on a long down-hill grade, the fuel line may burst if the fuel pump cooling circuit screen...
Consequence: If the fuel line bursts, fuel may leak onto the road resulting in a roadway hazard for other motorists. The engine may also stall without warning, resulting in the vehicle's inability to restart, increasing the risk of a crash.
Remedy: Cummins will notify owners, and dealers will replace the suspect fuel pump cooling circuit screen, free of charge. The recall began November 21, 2018. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 18E081.
View full details →Recall 17V443000 — FUEL SYSTEM, DIESEL
| 1,737 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Peterbilt 367, 389, 567, 579 and 587 trucks, and 2018 Kenworth C500, T680, T800, T880 and W900 trucks equipped with Cummins ISX 15L engines. These engines have a fuel pump whose drive gear could possibly slip on its drive shaft, causing a fuel pump function loss, resulting in an engine stall.
Consequence: An engine stall can increase the risk of a crash.
Remedy: Cummins will notify the vehicle purchaser, and Cummins dealers will replace the fuel pumps, free of charge. The recall began July 1, 2017. Owners may contact Cummins customer service at 1-800-286-6467 or PACCAR customer service at 1-425-468-7400. PACCAR's number for...
View full details →Recall 17V322000 — SERVICE BRAKES, AIR
| 23 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2012-2018 Kenworth T800 and T880 vehicles equipped with Neway ADZ tridem rear suspensions. The brake control airline may be the incorrect size, resulting in an imbalance in the service brake application timing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air brake systems."
Consequence: An incorrectly sized airline may lengthen the distance needed to stop the vehicle, increasing the risk of a crash.
Remedy: Kenworth will notify owners, and dealers will modify the air brake system with updated brake piping, free of charge. The recall began on June 21, 2017. Owners may contact Kenworth customer service at 1-425-828-5000. PACCAR's number for this recall is...
View full details →Owner Complaints for the 2018 KENWORTH T800
1 complaint has been filed with NHTSA for the 2018 KENWORTH T800. Below is a breakdown by vehicle component.
| Component | Complaints | Crashes | Fires | Injuries | Deaths |
|---|---|---|---|---|---|
| Unknown Or Other | 1 | 0 | 0 | 0 | 0 |
Most Recent Complaints
EHAUST ' BRACKETS ATTACHING THE EXHAUST PIPES TO CAB HAVE RUBBER BUSHINGS THAT DISINTEGRATE QUICKLY, WITHIN A COUPLE OF MONTHS LEAVING THE PIPES HANGING WITH POSSIBILITY OF FALLING INTO THE ROADWAYS AND CAUSING ACCIDENTS. PART NUMBER: M11-1917-004. ON NEW (2018) VEHICLES THEY HAVE BEEN CHANGED MORE THAN ONCE. SEVERAL VEHICLES IN FLEET WITH SAME ISSUE.
Safety Rating for the 2018 KENWORTH T800
NHTSA has not yet tested the 2018 KENWORTH T800 in its New Car Assessment Program.
Technical Service Bulletins for the 2018 KENWORTH T800
PACCAR Incorporated has issued 2 technical service bulletins (TSBs) for the 2018 KENWORTH T800. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
E293 — ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Emissions Recall Certain Vehicle Model Year 2017-2019 chassis equipped with EPA2017 compliant PACCAR MX-13 engines have an EGR flex pipe that can develop cracks and leak untreated exhaust. The EGR Flex pipe will be replaced if it has a suspect part number.
99-034 — ELECTRICAL SYSTEM:SOFTWARE
Information Only - CECU/VECU unable to communicate with ESA requires use of a Y-cable.
NHTSA Investigations for the 2018 KENWORTH T800
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the KENWORTH T800
- 2013 KENWORTH T800 — 0 complaints
- 2014 KENWORTH T800 — 0 complaints
- 2015 KENWORTH T800 — 0 complaints
- 2016 KENWORTH T800 — 1 complaint
- 2017 KENWORTH T800 — 0 complaints
- 2018 KENWORTH T800 (current)
- 2019 KENWORTH T800 — 0 complaints
- 2020 KENWORTH T800 — 0 complaints
- 2021 KENWORTH T800 — 0 complaints
- 2022 KENWORTH T800 — 0 complaints
- 2023 KENWORTH T800 — 0 complaints
Other KENWORTH Models
- KENWORTH T680 — 106 total complaints
- KENWORTH T2000 — 56 total complaints
- KENWORTH W900 — 41 total complaints
- KENWORTH KENWORTH — 25 total complaints
- KENWORTH T600 — 21 total complaints
- KENWORTH T880 — 12 total complaints
- KENWORTH CONVENTIONAL — 11 total complaints
- KENWORTH T660 — 10 total complaints