{"nhtsa_id":605598,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-07-13","date":"1998-01-19","document_id":"98122","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM","mfr_system":null,"summary":"PERFORMANCE ENHANCEMENT FOR DEFROSTER. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/605598","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":"F-150","year_from":1992,"year_to":1996,"match":"exact","vehicle_ids":["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":1992,"year_to":1996,"match":"exact","vehicle_ids":["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":1992,"year_to":1997,"match":"exact","vehicle_ids":["1992_ford_f-350","1993_ford_f-350","1994_ford_f-350","1995_ford_f-350","1996_ford_f-350","1997_ford_f-350"]}],"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":[]}