{"nhtsa_id":10043027,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-02-09","date":"2011-12-01","document_id":"SB-2009","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)","mfr_system":null,"summary":"AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION PERTAINING TO CERTAIN VEHICLES REGARDING POSITIVE CRANKCASE VENTILATION (PCV) VALVE EXTENSION WARRANTY. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10043027","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"pcv","name":"Crankcase ventilation (PCV)","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_audi_a4"]},{"make":"AUDI","model":"TT","year_from":2009,"year_to":2010,"match":"exact","vehicle_ids":["2009_audi_tt","2010_audi_tt"]}],"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":[]}