{"nhtsa_id":637484,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-11-26","date":"2002-04-01","document_id":"15791","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SUBJECT REGARDING FORD CYLINDER HEAD KITS FOR 4.6L ROMEO ENGINES AVAILABLE FOR ORDER FOR 2000 - 2001 MODELS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/637484","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"CROWN VICTORIA","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"FORD","model":"E SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FORD","model":"EXPEDITION","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"FORD","model":"F150","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"FORD","model":"MUSTANG","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"LINCOLN","model":"TOWN CAR","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"MERCURY","model":"GRAND MARQUIS","year_from":null,"year_to":null,"match":"exact","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":[]}