{"nhtsa_id":612458,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-08","date":"2000-02-01","document_id":"13859","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE HUBS","mfr_system":null,"summary":"SOME VEHICLES EQUIPPED WITH ELECTRONIC SHIFT ON THE FLY TRANSFER CASE MAY EXHIBIT FRONT HUBS THAT WILL NOT UNLOCK / LOCK WITH MODE SWITCH; NOISE FROM THE FRONT AXLE WHILE IN 2 WHEEL DRIVE MODE, AIR CONDITIONING SWITCHING TO DEFROST WHEN SHIFTING INTO OR OUT OF 4 WHEEL DRIVE MODE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/612458","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXCURSION","year_from":2000,"year_to":2000,"match":"exact","vehicle_ids":["2000_ford_excursion"]},{"make":"FORD","model":"SUPER DUTY F SERIES","year_from":1999,"year_to":2000,"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":[]}