{"nhtsa_id":6090192,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-03-10","date":"1999-11-29","document_id":"99246","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"VEHICLES BUILT THROUGH 11/29/1999 MAY EXPERIENCE A THUMPTING NOISE FROM THE AIR CONDITIONER SYSTEM DURING COLD ENGINE STARTUP. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/6090192","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"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":[]}