Campaign 24V-145

Air tanks have an insufficient volume of air for the brake system

Defect summary

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 requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

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 recall is 24KWD.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 24V145000. Text as published by NHTSA.

Vehicles covered

10 product lines are covered

Owner complaints filed with NHTSA about brakes on these vehicles: 24, of which 11 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 24V-145
Make	Model	Model years	Complaints on this component
Kenworth	C500	2015 to 2021	0
Kenworth	T370	2015 to 2020	0
Kenworth	T440	2015 to 2021	1
Kenworth	T470	2015 to 2016	0
Kenworth	T480	2023	0
Kenworth	T660	2015	0
Kenworth	T680	2015 to 2024	21
Kenworth	T800	2015 to 2024	0
Kenworth	T880	2015 to 2023	2
Kenworth	W900	2015 to 2019	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

3 service bulletins on this component came first

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

26V-567 Sep 1, 2026
Front brake valve and hoses may be the incorrect size, which can delay the rear service brake application and release, as well as the trailer…
26V-442 Jul 8, 2026
Trailer air connection quick release (QR) valve in the air brake system may have been incorrectly installed, which can cause the trailer to become…
25V-795 Nov 17, 2025
Air tanks have an insufficient volume of air for the brake system
25V-353 May 28, 2025
Rear brake piping assembly may have insufficient clearance, which can result in a loss of service brakes or anti-lock brake function
23V-661 Sep 29, 2023
Timing of the trailer brake release may be delayed
23V-185 Mar 20, 2023
Intellipark Tractor Park Valve Module (PVM) may intermittently become stuck in the un-parked position and fail to move into the park position when…