{"nhtsa_id":612275,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-07","date":"2000-02-01","document_id":"8068","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SOME VEHICLES MAY EXHIBIT A DRONE NOISE AT HIGHWAY SPEEDS. THIS NOISE MAY SOUND SIMILAR TO AN EXHAUST DRONE OR MAY SOUND LIKE A DIFFERENTIAL HOWL. ENGINEERING IS INVESTIGATING. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/612275","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LINCOLN","model":"LS","year_from":2000,"year_to":2000,"match":"exact","vehicle_ids":["2000_lincoln_ls"]}],"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":[]}