{"nhtsa_id":51131,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-06-27","date":"1997-01-02","document_id":"BC0345970201","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"DRIVELINE CLUNK, 4.2L BACKFIRE, 4.6L LACK OF POWER, 4.6L MISFIRE/MIL LIGHT ISSUES, AND WINDNOISE. *JD","document":null,"url":"https://open.wenmarpro.com/bulletins/51131","components":[],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-150","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_ford_f-150"]},{"make":"FORD","model":"F-250","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_ford_f-250"]}],"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":[]}