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Service bulletin SF-388A-F

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 id10025941
Published by NHTSA2008-09-17
Manufacturer's numberSF-388A-F
Manufacturer's date2008-06-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; ENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

DAIMLER/FREIGHTLINER: HORTON FAN HUB CENTER SHAFT BOLTS. CERTAIN VEHICLES MAY HAVE BEEN BUILT WITH HORTON FAN HUB ASSEMBLIES THAT HAVE INSUFFICIENT THREAD DEPTH ON THE CENTER SHAFT BOLTS. THIS MAY CAUSE THE SHAFT BOLTS TO BREAK. *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, Cooling fan, Cooling system

Vehicles listed
FREIGHTLINER XC2007

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