{"nhtsa_id":10044398,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-06-18","date":"2012-05-01","document_id":"SB-11359","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:FILLING/CHARGING","mfr_system":null,"summary":"GM: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT- FUEL FILLER NECK CORROSION. WATER AND ROAD CONTAMINATES MAY BECOME TRAPPED IN THE PROTECTIVE CONDUIT THAT COVERS THE FUEL FILLER PIPE AND MAY CAUSE THE PIPE TO CORRODE. THE PRESENCE OF FUEL ODOR MAY BE OBSERVED AND, ON SOME VEHICLES, A CHECK ENGINE LIGHT MAY ILLUMINATE. *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10044398","components":[{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"fuel-tank","name":"Fuel tank","parent":"fuel-system"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_chevrolet_express","2004_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_gmc_savana","2004_gmc_savana"]}],"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":[]}