{"nhtsa_id":629528,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-04-04","date":"2002-01-01","document_id":"SF237A","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"SUBJECT REGARDING AMEND ANTIFREEZE CONCENTRATION TO CORRECT FREEZE POINT. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/629528","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"ARGOSY","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_freightliner_argosy"]},{"make":"FREIGHTLINER","model":"BUSINESS CLASS","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CENTURY","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"COLUMBIA","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_freightliner_columbia"]},{"make":"FREIGHTLINER","model":"CORONADO","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_freightliner_coronado"]}],"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":[]}