{"nhtsa_id":10005647,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-03-10","date":"2004-02-01","document_id":"04010012","mfr_campaign":null,"replaces":"0401001","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"3.5L CYLINDER BLOCK HAVE AN INSUFFICIENT HEAD GASKET SEALING SURFACE BETWEEN THE #6 CYLINDER AND THE ADJACENT COOLING PASSAGE. THIS MAY CAUSE COOLANT TO ENTER THE CRANK CASE, AND/OR COMPRESSION GASES INTO THE COOLING SYSTEM. THIS BULLETIN SUPERSEDES 04-01-001. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10005647","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"SANTA FE","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_hyundai_santa-fe"]},{"make":"HYUNDAI","model":"XG 350","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_hyundai_xg350"]}],"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":[]}