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Service bulletin ITS5018

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 id10110473
Published by NHTSA2017-08-04
Manufacturer's numberITS5018
Manufacturer's date2012-10-31
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

Technical Instruction to Clean Intake Tubes and Add Secondary Filter.

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, Cooling system

Vehicles listed
NEW FLYER XCELSIOR2009, 2010, 2011, 2012

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
SMB1472017-03-17. Service bulletin. SERVICE MANUAL BULLETIN - PREVENTIVE MAINTENANCE - EMP RADIATOR.
SMB1592016-10-06. Service bulletin. SERVICE MANUAL BULLETIN PROVIDES A PROCEDURE FOR TESTING THE COOLING SYSTEM FOR LEAKS ON SPECIFICALLY EQUIPPED XCELSIOR MODEL VEHICLES.