{"nhtsa_id":10124670,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-05","date":"2013-08-16","document_id":"A261319 2027945-","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"Supersedes Technical Service Bulletin Group 26 number 13-18 dated May 22, 2013. 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-10124670-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10124670-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10124670","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":2009,"year_to":2010,"match":"exact","vehicle_ids":["2009_audi_a4","2010_audi_a4"]},{"make":"AUDI","model":"A4 ALLROAD","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_audi_a4-allroad","2014_audi_a4-allroad"]},{"make":"AUDI","model":"A4 AVANT","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"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":[]}