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Service bulletin REC16511

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 id10129196
Published by NHTSA2018-02-21
Manufacturer's numberREC16511
Manufacturer's date2017-01-04
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

NHTSA's summary

The formed heater hose to the driver?s heater over time may fatigue, resulting in a split 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, Equipment and accessories, Cooling system

Vehicles listed
IC BUS BE2011 to 2015
IC BUS CASB2013 to 2015
IC BUS CE2011 to 2012
IC BUS CESB2016

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