{"nhtsa_id":620328,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-08-03","date":"2001-04-01","document_id":"4711","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY","mfr_system":null,"summary":"SUBJECT REGARDING ISX FUEL TANK PRESSURE. THIS INFORMATION PERTAINS TO VEHICLES (INCLUDING COLUMBIA) BUILT WITH CUMMINS ISX ENGINES (MOST COMMONLY SIGNATURE 600). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620328","components":[{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"fuel-tank","name":"Fuel tank","parent":"fuel-system"}],"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":"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":[]}