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Service bulletin TSIB-18-01

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 id10152077
Published by NHTSA2018-12-17
Manufacturer's numberTSIB-18-01
Manufacturer's date2018-11-01
NHTSA componentENGINE

NHTSA's summary

This Technical Service Information Bulletin Decsribes How to Inspect and Reroute as Required the Cummins L9N Engine Crankcase Ventilation Hose.

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
NEW FLYER XN352013 to 2018
NEW FLYER XN402011 to 2018
NEW FLYER XN602012 to 2018

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