{"nhtsa_id":50878,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-06-17","date":"1996-05-28","document_id":"ITS666F","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"RETARDER ACTUATION CONTROL - B400R TRANSMISSION. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/50878","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"NEW FLYER","model":"D35LF","year_from":1995,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"NEW FLYER","model":"D40LF","year_from":1995,"year_to":1995,"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":[]}