{"nhtsa_id":51999,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-07-17","date":"1997-03-17","document_id":"97617","mfr_campaign":null,"replaces":null,"component":"STEERING:HYDRAULIC POWER ASSIST:PUMP","mfr_system":null,"summary":"STEERING- HIGH EFFORT DURING HIGHWAY DRIVING- F SUPER DUTY MOTORHOME CHASSIS VEHICLES BUILT FROM 7/1/93 THROUGH 8/9/96. *JD","document":null,"url":"https://open.wenmarpro.com/bulletins/51999","components":[{"id":"steering","name":"Steering","parent":null},{"id":"power-steering","name":"Power steering","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F SUPER DUTY","year_from":1994,"year_to":1997,"match":"exact","vehicle_ids":["1994_ford_f-super-duty","1995_ford_f-super-duty","1996_ford_f-super-duty","1997_ford_f-super-duty"]}],"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":[]}