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Service bulletin SB611003

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 id10015513
Published by NHTSA2005-07-27
Manufacturer's numberSB611003
Manufacturer's date2008-04-29
ReplacesSB611003
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

CRACKS IN ENGINE TUNNEL AT LEFT-SIDE CROSS SILL -MR AND MRU MODELS. *TT UPDATED 6/11/08. *NJ

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
MACK MR
MACK MRU2008
UNKNOWN UNKNOWN

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