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Service bulletin STB22-003V

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 id10217019
Published by NHTSA2022-08-02
Manufacturer's numberSTB22-003V
Manufacturer's date2022-07-07
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

EGR Cooler test plates for Turbo Compound engines.

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
MACK MACK

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