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Service bulletin sbu2012

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 id10141777
Published by NHTSA2018-06-18
Manufacturer's numbersbu2012
Manufacturer's date2018-02-26
NHTSA componentENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

sbu2012 Use and Maintenance Guidelines for Fully Formulated Conventional Coolants

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, Labels and manuals

Vehicles listed
FCCC FCCC
FREIGHTLINER RECREATIONAL VEHICLE
FREIGHTLINER SCHOOL BUS
FREIGHTLINER SHUTTLE BUS
FREIGHTLINER WALK-IN VAN

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