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

NHTSA campaign 23V-504 · Reported July 21, 2023 · 72 vehicles affected

AFFECTED MODELS
Kenworth T280, T380, T480, 536, 537 and 548
VEHICLES AFFECTED
72
REMEDY
Dealers will apply adhesive thread-lock and replace the fasteners, free of charge.
COST
Free

The short version

PACCAR Incorporated reported a problem with the power train driveline. Here is what owners need to know.

WHAT

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

WHY IT MATTERS

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

WHAT TO DO

Take it to a dealer — they will apply adhesive thread-lock and replace the fasteners, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 23V-504.

YEAR RANGEMODEL
2023–2024Kenworth T280
2024Kenworth T380
2023–2024Kenworth T480
2023–2024Peterbilt 536
2023–2024Peterbilt 537
2023–2024Peterbilt 548

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with PACCAR Incorporated or the National Highway Traffic Safety Administration.