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Service bulletin TT7416EN

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 id10155491
Published by NHTSA2019-04-01
Manufacturer's numberTT7416EN
Manufacturer's date2013-11-13
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Tech Tip concerning recall by Kenworth and Peterbilt Vehicle Configuration Allows the Engine to Start in Range

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

Engine

Vehicles listed
ALLISON 2000 SERIES TRANSMISSION

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