{"nhtsa_id":10096355,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-03-24","date":"2015-10-01","document_id":"S-TT-0099-15","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"\"TT: THERE HAS BEEN SOME CONCERN WITH 3 PIECE PISTON RING INSTALLATIONS FOR 2AZ-FE ENGINES. THIS TECH TIP CONTAINS THE ACCEPTED INSTALLATION METHOD REQUIRED FOR SCION VEHICLES.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10096355","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"SCION","model":"TC","year_from":2007,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"SCION","model":"XB","year_from":2008,"year_to":2015,"match":null,"vehicle_ids":[]}],"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":[]}