{"nhtsa_id":603131,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-02-03","date":"1998-10-23","document_id":"9801","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER","mfr_system":null,"summary":"TURBOCHARGER, FAILURE DUE TO LACK OF LUBRICATION. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/603131","components":[{"id":"engine","name":"Engine","parent":null},{"id":"turbocharger","name":"Turbocharger or supercharger","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":1997,"year_to":1998,"match":"exact","vehicle_ids":["1997_audi_a4","1998_audi_a4"]}],"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":[]}