{"nhtsa_id":606088,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-08-06","date":"1999-06-01","document_id":"990232003","mfr_campaign":null,"replaces":null,"component":"STEERING","mfr_system":null,"summary":"CONDITIONS WITH STEERING SHUDDER OR VIBRATION AT LOW SPEED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/606088","components":[{"id":"steering","name":"Steering","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"CENTURY","year_from":1997,"year_to":1999,"match":"exact","vehicle_ids":["1997_buick_century","1998_buick_century","1999_buick_century"]},{"make":"PONTIAC","model":"GRAND PRIX","year_from":1997,"year_to":1999,"match":"exact","vehicle_ids":["1997_pontiac_grand-prix","1998_pontiac_grand-prix","1999_pontiac_grand-prix"]}],"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":[]}