{"nhtsa_id":612291,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-07","date":"2000-02-01","document_id":"8093","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"SOME VEHICLES BUILT 7/1998 TO 6/1999 EQUIPPED WITH A 4.6 / 5.4L WINDSOR BUILT ENGINE MAY EXHIBIT AN OIL LEAK FROM THE CYLINDER HEAD GASKET AREA. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/612291","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"E SERIES","year_from":1999,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"FORD","model":"EXPEDITION","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_ford_expedition"]},{"make":"FORD","model":"F SERIES","year_from":1999,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"LINCOLN","model":"NAVIGATOR","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_lincoln_navigator"]}],"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":[]}