{"nhtsa_id":609039,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-12-07","date":"1999-08-01","document_id":"9913094","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"CONCERNS WITH 4.0L SOHC ENGINES EQUIPPED VEHICLES EXHIBITING AN OIL LEAK FROM THE OIL PRESSURE SWITCH BOSS OF THE ENGINE BLOCK. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/609039","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPLORER","year_from":1999,"year_to":2000,"match":"exact","vehicle_ids":["1999_ford_explorer","2000_ford_explorer"]},{"make":"MERCURY","model":"MOUNTAINEER","year_from":1999,"year_to":2000,"match":"exact","vehicle_ids":["1999_mercury_mountaineer","2000_mercury_mountaineer"]}],"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":[]}