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Service bulletin TSB180042-050720

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 id10141332
Published by NHTSA2018-06-18
Manufacturer's numberTSB180042-050720
Manufacturer's date2018-05-07
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of a potential issue where the heat exchanger mounting bracket on certain engines has a gap between it and the engine due to the initial assembly procedure.

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, Equipment and accessories

Vehicles listed
CUMMINS ISL9
CUMMINS L9
CUMMINS WESTPORT ISL G

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