{"nhtsa_id":610713,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-05-11","date":"1999-07-01","document_id":"6622","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"summary":"INFORMATION ON A NEW TRAC-TECH LIMITED SLIP DIFFERENTIAL. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/610713","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-450 SD","year_from":1999,"year_to":1999,"match":"base","vehicle_ids":["1999_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":1999,"year_to":1999,"match":"base","vehicle_ids":["1999_ford_f-550"]}],"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":[]}