{"nhtsa_id":10025981,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-09-22","date":"2008-06-26","document_id":"24-08-26","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE","mfr_system":null,"summary":"AUDI: POOR PERFORMANCE BECAUSE OF LEAK IN VACUUM SYSTEM. POOR ENGINE PERFORMANCE BECAUSE OF INOPERATIVE INTAKE MANIFOLD TUMBLE FLAPS OR AIR FILTER BOX POWER FLAP. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10025981","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"RS 4","year_from":2007,"year_to":2008,"match":"exact","vehicle_ids":["2007_audi_rs-4","2008_audi_rs-4"]}],"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":[]}