{"nhtsa_id":613021,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-16","date":"1998-03-18","document_id":"985A50","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP","mfr_system":null,"summary":"EXPERIENCING EXCESSIVE BRAKE PEDAL TRAVEL ACCOMPANIED BY REDUCED BRAKING EFFECTIVENESS WHEN THE VEHICLE IS OPERATED AT AN IDLE FOR EXTENDED PERIODS, IN HILLY TERRAIN, IN HIGH AMBIENT TEMPERATURES AND / OR WHEN THE VEHICLE IS LOCATED IN EXCESS OF ITS GROSS VEHCLE WEIGHT RATING (GVWR). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/613021","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F SUPER DUTY","year_from":1989,"year_to":1995,"match":"exact","vehicle_ids":["1989_ford_f-super-duty","1990_ford_f-super-duty","1991_ford_f-super-duty","1992_ford_f-super-duty","1993_ford_f-super-duty","1994_ford_f-super-duty","1995_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":[]}