KENWORTH 2023: POWER TRAIN:DRIVELINE

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…

Recall #: 23V504000

Compiled from official public sources by the publisher. · Updated September 2026

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Kenworth recalled PACCAR Incorportated (PACCAR) is recalling certain 2023-2024 Peterbilt 536, 537, 548, 202….

KENWORTH 2023: POWER TRAIN:DRIVELINE was recalled by Kenworth in July 21, 2023. Reason: PACCAR Incorportated (PACCAR) is recalling certain 2023-2024 Peterbilt 536, 537, 548, 2023-2024 Kenworth T280…. Remedy: Dealers will apply adhesive thread-lock and replace the fasteners, free of charge. Owner…. Verify recall #23V504000 with the NHTSA before acting.

The recall

Kenworth issued this NHTSA recall-PACCAR Incorportated (PACCAR) is recalling certain 2023-2024 Peterbilt 536, 537, 548, 2023-2024 Kenworth T280….

None
agency class: July 21, 2023
reported

Sourced from official NHTSA enforcement records. Verify recall #23V504000 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.

Recall Insight

The number of affected units is not disclosed in the agency filing, which is common for drug and food recalls where lot-level tracking supersedes unit counts. Distribution scope (see Distribution below) directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.

Within the same product category the archive holds 6 closely related recalls, 3 from NHTSA - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.

Product description

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.

Reason for recall

Hazard

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

Remedy, what to do

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.

Recall Profile

Structured summary of the NHTSA recall record
Attribute	Value
Agency	National Highway Traffic Safety Administration
Severity class	Not classified by agency
Status	Active
Recall number	23V504000
Date reported	July 21, 2023
Date initiated	July 21, 2023
Recalling firm	Kenworth
Affected scope	Not disclosed
Distribution	United States
Official source	NHTSA notice →

Profile values are sourced directly from the official NHTSA enforcement record. Source: National Highway Traffic Safety Administration.

What to do with this recall

Dealers will apply adhesive thread-lock and replace the fasteners, free of charge. Owner notification letters are expected to be…

Check the recall number (23V504000) and product description against the item you own. Search the archive
Confirm the current status and remedy on the official NHTSA notice before acting. NHTSA notice
Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next

This page summarizes the official NHTSA record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.

Frequently Asked Questions

What product was recalled? ▼

Why was this product recalled? ▼

What should consumers do? ▼

Which agency issued this recall? ▼

This recall was issued by the NHTSA on July 21, 2023. NHTSA does not publish a hazard classification for this recall. Recall number: 23V504000.

Where was the recalled product distributed? ▼

Distribution: United States.

How do I report an injury from a recalled product? ▼

Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.

Nationwide recalls with similar severity or category timing

Vehicle and equipment notices outside this manufacturer and filing state, matched by archive severity grade and report timing.

Similar severity · nearest report date

Same archive severity grade, closest by report date among other firms and states.

FORD 2023: ELECTRICAL SYSTEM: INSTRUMENT … 2023-07-21 FORD 2021-2023: PARKING BRAKE:ELECTRICAL 2023-07-21 FORD 2023: ELECTRICAL SYSTEM 2023-07-21 CHRYSLER 2023: FUEL SYSTEM, GASOLINE:DELI… 2023-07-20

Similar Vehicles · nearest report date

Same product category, closest by report date among other firms and states (deduped against the severity set).

FORD 2014-2016: LATCHES/LOCKS/LINKAGES:DO… 2023-07-21 FORD 2023: STRUCTURE:BODY:DOOR 2023-07-21 JAGUAR 2019: BACK OVER PREVENTION: SENSIN… 2023-07-20 FORD 2020-2023: FUEL SYSTEM, GASOLINE:DEL… 2023-07-19

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This recall: NHTSA, reported July 21, 2023. Severity classes follow each agency's own taxonomy; related-recall context is computed across the full archive.

Methodology · Corrections · Archive as of August 2026