{"nhtsa_id":623934,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-31","date":"2001-08-06","document_id":"01154","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"SOME VEHICLES MAY EXHIBIT A HIGH PITCHED WHISTLE NOISE FROM THE A/C PLENUM AREA. *SLC","document":null,"url":"https://open.wenmarpro.com/bulletins/623934","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"CROWN VICTORIA","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_ford_crown-victoria"]},{"make":"FORD","model":"GRAND MARQUIS","year_from":2001,"year_to":2001,"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":[]}