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Service bulletin SB-S-12TY

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 id10044144
Published by NHTSA2012-05-15
Manufacturer's numberSB-S-12TY
Manufacturer's date2012-04-25
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

NHTSA's summary

BLUE BIRD BUS: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE PULLEY FOR THE FAN DRIVE IS MISSING SET SCREW AND IT FAILED TO BE INSTALLED. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Cooling fan, Cooling system, Drive belts

Vehicles listed
BLUE BIRD ALL AMERICAN2012
BLUE BIRD ALL AMERICAN REAR ENGINE1991

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