{"nhtsa_id":607333,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-09-20","date":"1999-03-01","document_id":"SF174AB","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS","mfr_system":null,"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","document":null,"url":"https://open.wenmarpro.com/bulletins/607333","components":[{"id":"engine","name":"Engine","parent":null},{"id":"drive-belt","name":"Drive belts","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"ARGOSY","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CENTURY","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"FLD","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"STERLING","model":"STERLING","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}