{"nhtsa_id":10017390,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-11-05","date":"2006-08-01","document_id":"050604046","mfr_campaign":null,"replaces":"050604046A","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"CRANK AND NO START, REDUCED POWER, INTERMITTENT HESITATION, HESITATES IN HIGH ALTITUDE/HIGH AMBIENT TEMPERATURES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10017390","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_chevrolet_express","2005_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_gmc_savana","2005_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":[]}