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Service bulletin SF174AB

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 id607333
Published by NHTSA1999-09-20
Manufacturer's numberSF174AB
Manufacturer's date1999-03-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

NHTSA's summary

VEHICLES MANUFACTURED BETWEEN MAY 1, 1998 AND DECEMBER 7, 1998 EQUIPPED WITH QUADRAMOUNT ALTERNATOR / AC COMPRESSOR MOUNT ON THE SERIES 60 MAY HAVE QUADRAMOUNT TENSIONERS INCORRECTLY INSTALLED WITH A LOCKWASHER INSTEAD OF THE PROPER FLATWASHER. *TT

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, Drive belts

Vehicles listed
FREIGHTLINER ARGOSY
FREIGHTLINER CENTURY
FREIGHTLINER FLD
STERLING STERLING

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