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Service bulletin SB-S-13-WJ

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 id10055921
Published by NHTSA2014-08-05
Manufacturer's numberSB-S-13-WJ
Manufacturer's date2013-07-19
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

BLUE BIRD BUS: ON SOME BUSES, THE JB RADIATORS ARE LEAKING AND TO ADDRESS THE CONCERNS, ALL BUSES EQUIPPED WITH JB RADIATORS WILL BE INSPECTED AND/OR REPLACED, IF NEEDED, IF LEAK IS DETECTED. *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 system, Radiator

Vehicles listed
BLUE BIRD ALL AMERICAN2011 to 2014
BLUE BIRD D3RE2011 to 2013

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