{"nhtsa_id":10017016,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-10-21","date":null,"document_id":"3491","mfr_campaign":null,"replaces":"3491A","component":"FUEL SYSTEM, OTHER","mfr_system":null,"summary":"HIGHWAY SPEED EXCESSIVE SMOKE AND FUEL KNOCK. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10017016","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C4500","year_from":2006,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"C5500","year_from":2006,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2004,"year_to":2006,"match":"exact","vehicle_ids":["2004_chevrolet_express","2005_chevrolet_express","2006_chevrolet_express"]},{"make":"CHEVROLET","model":"KODIAK","year_from":2004,"year_to":2005,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2004,"year_to":2006,"match":"exact","vehicle_ids":["2004_chevrolet_silverado","2005_chevrolet_silverado","2006_chevrolet_silverado"]},{"make":"GMC","model":"C4500","year_from":2006,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C5500","year_from":2006,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SAVANA","year_from":2004,"year_to":2006,"match":"exact","vehicle_ids":["2004_gmc_savana","2005_gmc_savana","2006_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2004,"year_to":2006,"match":"exact","vehicle_ids":["2004_gmc_sierra","2005_gmc_sierra","2006_gmc_sierra"]},{"make":"GMC","model":"TOPKICK","year_from":2004,"year_to":2005,"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":[]}