{"nhtsa_id":622347,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-17","date":"2001-07-01","document_id":"3237","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET","mfr_system":null,"summary":"ON SOME VEHICLES, THE FRONT SPRING HANGER BRACKET FASTENERS MAY HAVE BEEN TORQUED IN AN INCORRECT SEQUENCE DURING VEHICLE MANUFACTURE. THE AFFECTED VEHICLES WERE BUILT BETWEEN SEPTEMBER 1999 AND OCTOBER 2000, AND ARE EQUIPPED WITH 7,000- TO 12,000-LB (3,175- TO 5,445-KG) FRONT SUSPENSIONS WITH MAINTENANCE-FREE RUBBER BUSHINGS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/622347","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"BUSINESS CLASS","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CENTURY","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"COLUMBIA","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"FREIGHTLINER","model":"FLD","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":[]}