{"nhtsa_id":612856,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-13","date":"2000-03-01","document_id":"8432","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT","mfr_system":null,"summary":"SOME VEHICLES EQUIPPED WITH MANUAL TEMPERATURE CONTROL MAY EXHIBIT A TEMPERATURE CONTROL KNOB THAT FALLS OFF. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/612856","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXCURSION","year_from":2000,"year_to":2000,"match":"exact","vehicle_ids":["2000_ford_excursion"]},{"make":"FORD","model":"F-250 SD","year_from":1998,"year_to":2000,"match":"base","vehicle_ids":["1998_ford_f-250","1999_ford_f-250","2000_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":1998,"year_to":1998,"match":null,"vehicle_ids":[]},{"make":"FORD","model":"F-350 SD","year_from":1999,"year_to":2000,"match":"base","vehicle_ids":["1999_ford_f-350","2000_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":1998,"year_to":1998,"match":null,"vehicle_ids":[]},{"make":"FORD","model":"F-450 SD","year_from":1999,"year_to":2000,"match":"base","vehicle_ids":["1999_ford_f-450","2000_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":1998,"year_to":1998,"match":null,"vehicle_ids":[]},{"make":"FORD","model":"F-550 SD","year_from":1999,"year_to":2000,"match":"base","vehicle_ids":["1999_ford_f-550","2000_ford_f-550"]},{"make":"FORD","model":"F-650","year_from":2000,"year_to":2000,"match":"exact","vehicle_ids":["2000_ford_f-650"]},{"make":"FORD","model":"F750 (MEDIUM)","year_from":2000,"year_to":2000,"match":"base","vehicle_ids":["2000_ford_f-750"]}],"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":[]}