{"nhtsa_id":10124671,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-05","date":"2013-08-16","document_id":"A211317 2034999-","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER","mfr_system":null,"summary":"On 4.0l bi-turbo FSI engines, the pipe on the impeller side of the bank 2 turbocharger looks discolored when compared to the pipe on the bank 1 turbocharger. The crankcase breather is only connected to the bank 2 turbocharger inlet. Blow-by gases from the crankcase breather discolor the pipe. This is a normal condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10124671-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10124671-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10124671","components":[{"id":"engine","name":"Engine","parent":null},{"id":"turbocharger","name":"Turbocharger or supercharger","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A8","year_from":2013,"year_to":2015,"match":"exact","vehicle_ids":["2013_audi_a8","2014_audi_a8","2015_audi_a8"]},{"make":"AUDI","model":"RS 7","year_from":2014,"year_to":2018,"match":"exact","vehicle_ids":["2014_audi_rs-7","2015_audi_rs-7","2016_audi_rs-7","2017_audi_rs-7","2018_audi_rs-7"]},{"make":"AUDI","model":"RS7","year_from":2019,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"S6","year_from":2013,"year_to":2015,"match":"exact","vehicle_ids":["2013_audi_s6","2014_audi_s6","2015_audi_s6"]},{"make":"AUDI","model":"S7","year_from":2013,"year_to":2015,"match":"exact","vehicle_ids":["2013_audi_s7","2014_audi_s7","2015_audi_s7"]},{"make":"AUDI","model":"S8","year_from":2013,"year_to":2015,"match":"exact","vehicle_ids":["2013_audi_s8","2014_audi_s8","2015_audi_s8"]}],"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":[]}