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Service bulletin SB-322

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 id10029484
Published by NHTSA2009-07-10
Manufacturer's numberSB-322
Manufacturer's date2009-03-13
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

MOTORCOACH INC.: CATERPILLAR PROGRAM FOR UPDATING THE REGENERATION SYSTEM ON C13 ACERT. MODELS D, E, J COACHES EQUIPPED WITH CAT C13 ACERT ENGINE. MODEL YEARS UNKNOWN. *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

Vehicles listed
MCI D2000 to 2008
MCI D SERIES
MCI D SERIES1998
MCI E SERIES
MCI E SERIES1998
MCI E SERIES2001 to 2008
MCI J SERIES

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