{"nhtsa_id":604994,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-05-21","date":"1999-04-01","document_id":"9950005","mfr_campaign":null,"replaces":null,"component":"STRUCTURE:BODY","mfr_system":null,"summary":"EXPERIENCING THUMPING / KNOCKING NOISE FROM LEFT FRONT DURING RIGHT TURN. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/604994","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"SONATA","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_hyundai_sonata"]}],"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":[]}