{"nhtsa_id":10228306,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-03","date":"2013-05-29","document_id":"01130120330012","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Under certain driving conditions, the secondary air ports in the cylinder head can accumulate carbon over time, causing a restriction.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10228306-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10228306-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10228306","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":2009,"year_to":2011,"match":"exact","vehicle_ids":["2009_audi_a4","2010_audi_a4","2011_audi_a4"]},{"make":"AUDI","model":"A5 CABRIOLET","year_from":2010,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"A6","year_from":2009,"year_to":2011,"match":"exact","vehicle_ids":["2009_audi_a6","2010_audi_a6","2011_audi_a6"]},{"make":"AUDI","model":"Q5","year_from":2009,"year_to":2012,"match":"exact","vehicle_ids":["2009_audi_q5","2010_audi_q5","2011_audi_q5","2012_audi_q5"]},{"make":"AUDI","model":"Q7","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_audi_q7","2012_audi_q7"]}],"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":[]}