{"nhtsa_id":612823,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-12","date":"2000-01-01","document_id":"13806","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"SOME VEHICLES BUILT BETWEEN 11/1/97 AND 12/8/99 MAY EXHIBIT A CRACKLING/POPPING NOISE FROM THE EXHAUST. *MJS","document":null,"url":"https://open.wenmarpro.com/bulletins/612823","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPEDITION","year_from":1999,"year_to":2000,"match":"exact","vehicle_ids":["1999_ford_expedition","2000_ford_expedition"]},{"make":"FORD","model":"F-150","year_from":1999,"year_to":2000,"match":"exact","vehicle_ids":["1999_ford_f-150","2000_ford_f-150"]},{"make":"FORD","model":"F-250","year_from":1999,"year_to":2000,"match":"exact","vehicle_ids":["1999_ford_f-250","2000_ford_f-250"]},{"make":"FORD","model":"NAVIGATOR","year_from":1999,"year_to":2000,"match":null,"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":[]}