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Service bulletin 18-008

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 id10128646
Published by NHTSA2018-02-12
Manufacturer's number18-008
Manufacturer's date2018-01-22
NHTSA componentWHEELS:HUB; WHEELS

NHTSA's summary

Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Wheels, Wheel bearing

Vehicles listed
KENWORTH T1702014 to 2017
KENWORTH T2702014 to 2017
KENWORTH T3702014 to 2017
KENWORTH T4402014 to 2017
KENWORTH T4702014 to 2017
KENWORTH T6602014 to 2017
KENWORTH T6802014, 2015, 2016, 2017
KENWORTH T8002014 to 2017
KENWORTH T8802014, 2015, 2016, 2017
KENWORTH W9002014 to 2017

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

Other bulletins for the same vehicles and component
7-172018-02-12. Service bulletin. Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.