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Service bulletin 13-040

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10057500
Published by NHTSA2015-06-03
Manufacturer's number13-040
Manufacturer's date2015-02-27
NHTSA componentSERVICE BRAKES, AIR

NHTSA's summary

KENWORTH: INFORMATION REGARDING THE TRUCKS EXCEEDING FMVSS 121 STANDARDS BUT FAILS TO MEET QUALITY STANDARDS BY KENWORTH. *LJ

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes

Vehicles listed
KENWORTH T8002014

Listing a model year does not mean every vehicle of it is concerned: the document says which.