{"nhtsa_id":623793,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-30","date":"2001-07-11","document_id":"110701","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SUBJECT REGARDING ENGINE OIL REQUIREMENTS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/623793","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CORVETTE","year_from":1997,"year_to":2002,"match":"exact","vehicle_ids":["1997_chevrolet_corvette","1998_chevrolet_corvette","1999_chevrolet_corvette","2000_chevrolet_corvette","2001_chevrolet_corvette","2002_chevrolet_corvette"]}],"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":[]}