{"nhtsa_id":623574,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-29","date":"2001-06-29","document_id":"290601","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE","mfr_system":null,"summary":"INFORMATION REGARDING DURAMAX 6600 DIESEL FUEL SYSTEM.*JB","document":null,"url":"https://open.wenmarpro.com/bulletins/623574","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_silverado"]},{"make":"GMC","model":"800","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SIERRA","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2001,"year_to":2001,"match":"base","vehicle_ids":["2001_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2001,"year_to":2001,"match":"base","vehicle_ids":["2001_gmc_sierra"]}],"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":[]}