{"nhtsa_id":634229,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-09-28","date":"2002-08-01","document_id":"02026","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS","mfr_system":null,"summary":"SOME VEHICLES HAVE A CONDITION WHERE THE FUEL FILTER-TO-COMPONENT BOX MOUNTING BOLTS ARE REVERSE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/634229","components":[{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"fuel-line","name":"Fuel hoses and lines","parent":"fuel-system"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C6500","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"C7500","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C6500","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C7500","year_from":2001,"year_to":2002,"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":[]}