{"nhtsa_id":620172,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-07-19","date":"2001-05-01","document_id":"01B75","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY","mfr_system":null,"summary":"ON SOME U.S. POSTAL SERVICE 4X4 VEHICLES, AN INCORRECT BOLT AND WASHER MAY HAVE BEEN INADVERTENTLY INSTALLED IN THE FRONT AXLE. IF THE CORRECT BOLT AND WASHER WERE INSTALLED, IT MAY BE POSSIBLE FOR IT TO BECOME LOOSE AND FALL OUT, CAUSING LOUD NOISES AND VIBRATION UNDER THE FRONT END OF THE VEHICLE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620172","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPLORER","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_ford_explorer"]}],"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":[]}