{"nhtsa_id":632310,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-07-12","date":"2002-02-01","document_id":"020867001","mfr_campaign":null,"replaces":null,"component":"STRUCTURE","mfr_system":null,"summary":"SOME CUSTOMERS MAY COMMENT THAT THE HEADLINER SAGS AT THE FRONT OF THE SUNROOF OPENING. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/632310","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"IMPALA","year_from":2000,"year_to":2001,"match":"exact","vehicle_ids":["2000_chevrolet_impala","2001_chevrolet_impala"]}],"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":[]}