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Service bulletin WB11-15A

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 id10044063
Published by NHTSA2012-05-09
Manufacturer's numberWB11-15A
Manufacturer's date2011-05-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL

NHTSA's summary

PREVOST: DIESEL PARTICULATE FILTER (DPF) ACCESS DOOR AIR GRILLE BONDING VERIFICATION. *KB

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, Fuel system

Vehicles listed
PREVOST H3-452010
PREVOST X3-452010
PREVOST XL11-45E2011

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