{"nhtsa_id":39147,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-03-17","date":"1995-02-01","document_id":"BC4093950201","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE HUBS","mfr_system":null,"summary":"FRONT AXLE HUM IN 4X2 THAT IS NOT IN 4X4. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/39147","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"FORD TRUCK","year_from":null,"year_to":null,"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":[]}