{"nhtsa_id":54203,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-03-30","date":"1997-11-01","document_id":"971101776119","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"VEHICLES EXHIBITING CHIRPING, TICKING, KNOCKING, OR \"TRASHY\" NOISES FROM THE FRONT OF THE ENGINE. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/54203","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CADILLAC","year_from":1997,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"CADILLAC","model":"DEVILLE","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_cadillac_deville"]},{"make":"CADILLAC","model":"ELDORADO","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_cadillac_eldorado"]},{"make":"CADILLAC","model":"SEVILLE","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_cadillac_seville"]},{"make":"OLDSMOBILE","model":"AURORA","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_oldsmobile_aurora"]}],"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":[]}