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Service bulletin SF-427-A-G

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 id10039656
Published by NHTSA2011-08-08
Manufacturer's numberSF-427-A-G
Manufacturer's date2011-04-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

DAIMLER TRUCK SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE EXHAUST TEMPERATURES DO NOT MEET SPECIFICATIONS. *RM

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
FREIGHTLINER BUSINESS CLASS M22007 to 2011
FREIGHTLINER BUSINESS CLASS M2 106V2007 to 2008
FREIGHTLINER BUSINESS CLASS M2 106V2011

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