{"nhtsa_id":10038973,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-29","date":"2011-04-01","document_id":"SIS-21828","mfr_campaign":null,"replaces":null,"component":"STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING; STEERING:HYDRAULIC POWER ASSIST SYSTEM","mfr_system":null,"summary":"FORD: THERE MAY BE HIGH STEERING EFFORT OR LACK OF ASSIST. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10038973","components":[{"id":"steering","name":"Steering","parent":null},{"id":"power-steering","name":"Power steering","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"E SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FORD","model":"EXPEDITION","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_ford_expedition"]},{"make":"FORD","model":"F-150","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_ford_f-150"]},{"make":"FORD","model":"F-250 SD","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_ford_f-550"]},{"make":"LINCOLN","model":"NAVIGATOR","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_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":[]}