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Service bulletin WB09-13A

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 id10044008
Published by NHTSA2012-05-05
Manufacturer's numberWB09-13A
Manufacturer's date2010-03-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

PREVOST: INSPECTING THE RADIATOR FAN DRIVE MECHANISM SUPPORT ON A DETROIT DIESEL ENGINE. ALSO INCLUDED MODEL VIP-45 BUS MODEL YEARS 2001-2010; MODEL XLII MTH BUS MODEL YEARS 2008-2009. *JS

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
PREVOST H3-412008 to 2010
PREVOST H3-452008 to 2010
PREVOST X3-452008 to 2009

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