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Service bulletin TSB180116-083020

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 id10144409
Published by NHTSA2018-09-17
Manufacturer's numberTSB180116-083020
Manufacturer's date2018-08-30
NHTSA componentENGINE

NHTSA's summary

This Technical Service Bulleting describes the verification and resolution of belt chirping noise and/or loose/damaged belts as caused by a fan drive belt tensioner spring malfunction on some Navistar units.

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
CUMMINS X15

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