{"nhtsa_id":10001459,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-05-07","date":"2003-02-28","document_id":"500","mfr_campaign":null,"replaces":"202","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"ENGINE OILS APPROVED BY PORSCHE. *TT REPLACED MANUFACTURERS TSB NUMBER 500 DATED 11-30-01. *NM","document":null,"url":"https://open.wenmarpro.com/bulletins/10001459","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"911 TURBO","year_from":2001,"year_to":2001,"match":"base","vehicle_ids":["2001_porsche_911"]}],"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":[]}