Driveline fasteners may loosen
Defect Summary
Paccar incorportated (paccar) is recalling certain 2023-2024 peterbilt 536, 537, 548, 2023-2024 kenworth t280, t480, and 2024 kenworth t380 vehicles. the adhesive thread-lock may not have been applied to the four flange mounted yoke bolt threads, allowing the driveline fasteners to loosen.
Safety Consequence
Loose fasteners may allow the driveline to separate from the truck, increasing the risk of a crash.
Corrective Action
Dealers will apply adhesive thread-lock and replace the fasteners, free of charge. owner notification letters are expected to be mailed september 19, 2023. owners may contact paccar's customer service at 1-425-828-5888 (kenworth) or 1-940-591-4220 (peterbilt). paccar's numbers for this recall are 23kwe and 23pbe.
Similar Recalls
Other recalls from Paccar Incorporated or involving Power Train.
FAQ: Recall 23V504000
Your rights, the repair process, and what each field on this page means.
What is recall 23V504000?
NHTSA recall 23V504000 was issued by Paccar Incorporated on July 21, 2023. It addresses: Driveline fasteners may loosen. The recall affects approximately 72 vehicles, with the defect involving the Power Train component.
How do I get this recall repaired?
Contact any authorized Paccar Incorporated dealer and reference NHTSA recall ID 23V504000 or the manufacturer campaign number 23KWE and 23PBE. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.