{"nhtsa_id":10210607,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-05-02","date":"2013-05-22","document_id":"26 13 18 2027945","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Humming or metallic rattling noise from under the vehicle, heard most consistently during engine idle or slow acceleration. Initial inspection indicates that the noise is coming from the exhaust system. Relative movements in the rear mounting of the exhaust system (rear silencer).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10210607-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10210607-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10210607","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":2009,"year_to":2014,"match":"exact","vehicle_ids":["2009_audi_a4","2010_audi_a4","2011_audi_a4","2012_audi_a4","2013_audi_a4","2014_audi_a4"]},{"make":"AUDI","model":"A5","year_from":2008,"year_to":2014,"match":"exact","vehicle_ids":["2008_audi_a5","2009_audi_a5","2010_audi_a5","2011_audi_a5","2012_audi_a5","2013_audi_a5","2014_audi_a5"]},{"make":"AUDI","model":"A5 CABRIOLET","year_from":2010,"year_to":2014,"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":[]}