{"nhtsa_id":46438,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1996-04-25","date":"1995-12-01","document_id":"BC0131960102","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY","mfr_system":null,"summary":"4X4 FRONT AXLES MUST USE HYPOID 4X4 GEAR OIL P/N F1TZ-19580-A & HIGH TEMP 4X4 FRONT AXLE & WHEEL BEARING GREASE WHEN SERVICING. IT IS NOT RECOMMENDED TO USE HEAVIER WEIGHT LUBES IN THESE FRONT AXLES.","document":null,"url":"https://open.wenmarpro.com/bulletins/46438","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"BRONCO","year_from":1991,"year_to":1996,"match":"exact","vehicle_ids":["1991_ford_bronco","1992_ford_bronco","1993_ford_bronco","1994_ford_bronco","1995_ford_bronco","1996_ford_bronco"]},{"make":"FORD","model":"EXPLORER","year_from":1991,"year_to":1994,"match":"exact","vehicle_ids":["1991_ford_explorer","1992_ford_explorer","1993_ford_explorer","1994_ford_explorer"]},{"make":"FORD","model":"F-150","year_from":1991,"year_to":1996,"match":"exact","vehicle_ids":["1991_ford_f-150","1992_ford_f-150","1993_ford_f-150","1994_ford_f-150","1995_ford_f-150","1996_ford_f-150"]},{"make":"FORD","model":"F-250","year_from":1991,"year_to":1996,"match":"exact","vehicle_ids":["1991_ford_f-250","1992_ford_f-250","1993_ford_f-250","1994_ford_f-250","1995_ford_f-250","1996_ford_f-250"]},{"make":"FORD","model":"F-350","year_from":1991,"year_to":1996,"match":"exact","vehicle_ids":["1991_ford_f-350","1992_ford_f-350","1993_ford_f-350","1994_ford_f-350","1995_ford_f-350","1996_ford_f-350"]},{"make":"FORD","model":"RANGER","year_from":1991,"year_to":1996,"match":"exact","vehicle_ids":["1991_ford_ranger","1992_ford_ranger","1993_ford_ranger","1994_ford_ranger","1995_ford_ranger","1996_ford_ranger"]}],"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":[]}