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Service bulletin TSIB 21-02

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 id10191833
Published by NHTSA2021-05-06
Manufacturer's numberTSIB 21-02
Manufacturer's date2021-04-19
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Technical Services Information Bulletin describing how to inspect specifically equipped vehicles, for possible pinch points on the Modine radiator fan harness routing.

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 XCELSIOR2018, 2019, 2020, 2021

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

Other bulletins for the same vehicles and component
ITS585082019-02-19. Service bulletin. This Maintenance Instruction Describes How to Retrofit Upgraded PEM Electric Drive Motor Mount Hardware and Fuel Cell Mounting Hardware.