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Data through Oct 2026
Campaign 23V-504

Adhesive thread-lock may not have been applied to the four flange mounted yoke bolt threads, allowing the driveline fasteners to loosen

View NHTSA filingAll Paccar campaigns
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.

Consequence

Loose fasteners may allow the driveline to separate from the truck, increasing the risk of a crash.

Remedy

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.

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 23V504000. Text as published by NHTSA.
Vehicles covered

6 product lines are covered

Owner complaints filed with NHTSA about powertrain on these vehicles: 1, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 23V-504
MakeModelModel yearsComplaints on this component
KenworthT2802023 to 20241
KenworthT38020240
KenworthT4802023 to 20240
Peterbilt5362023 to 20240
Peterbilt5372023 to 20240
Peterbilt5482023 to 20240
Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.