{"nhtsa_id":51240,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-06-27","date":"1997-01-01","document_id":"631218","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"A/C SYSTEM FLUTTER AND/OR MOAN NOISE WITH HVAC IN A/C MODES. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/51240","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"LESABRE","year_from":1996,"year_to":1997,"match":"exact","vehicle_ids":["1996_buick_lesabre","1997_buick_lesabre"]},{"make":"BUICK","model":"PARK AVENUE","year_from":1996,"year_to":1996,"match":"exact","vehicle_ids":["1996_buick_park-avenue"]},{"make":"OLDSMOBILE","model":"88","year_from":1996,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"OLDSMOBILE","model":"98","year_from":1997,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"PONTIAC","model":"BONNEVILLE","year_from":1996,"year_to":1997,"match":"exact","vehicle_ids":["1996_pontiac_bonneville","1997_pontiac_bonneville"]}],"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":[]}