{"nhtsa_id":50378,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-04-24","date":"1996-10-21","document_id":"BC0712961021","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DRIVESHAFT","mfr_system":null,"summary":"CONCERNS OF A DRIVELINE VIBRATION &/OR A DRIVELINE BOOM-DRONE AT SPEEDS OF 60 MPH (100 KPH) & ABOVE MAY BE DUE TO HIGH RUNOUT OF THE DRIVESHAFT. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/50378","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"driveshaft","name":"Driveshaft","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"LINCOLN","model":"MARK VIII","year_from":1995,"year_to":1996,"match":"base","vehicle_ids":["1995_lincoln_mark","1996_lincoln_mark"]}],"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":[]}