{"nhtsa_id":39619,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-11-01","date":"1993-03-01","document_id":"PIL185","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"summary":"DRIVER CONTROLLED DIFFERENTIAL LOCK ACTUATOR AND CARRIER CASTING CHANGE. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/39619","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"ROCKWELL","model":"ROCKWELL","year_from":1993,"year_to":1993,"match":null,"vehicle_ids":[]}],"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":[]}