{"nhtsa_id":10120031,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-21","date":"2015-05-13","document_id":"A171562 2040644-","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"A metallic whistling or grinding sound is heard from the engine compartment when the vehicle is at idle speed. The sound usually only occurs when the engine is warm. The MIL is sporadically on. DTC P2279 and DTC P0507 are stored in the ECM. A leak in the crankcase breather module (pressure regulating valve) can cause this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10120031-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10120031-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10120031","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0507","P2279"],"topics":[],"vehicles":[{"make":"AUDI","model":"A8","year_from":2013,"year_to":2016,"match":"exact","vehicle_ids":["2013_audi_a8","2014_audi_a8","2015_audi_a8","2016_audi_a8"]},{"make":"AUDI","model":"RS 7","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_audi_rs-7","2015_audi_rs-7","2016_audi_rs-7"]},{"make":"AUDI","model":"RS7","year_from":2013,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"S6","year_from":2013,"year_to":2016,"match":"exact","vehicle_ids":["2013_audi_s6","2014_audi_s6","2015_audi_s6","2016_audi_s6"]},{"make":"AUDI","model":"S7","year_from":2013,"year_to":2016,"match":"exact","vehicle_ids":["2013_audi_s7","2014_audi_s7","2015_audi_s7","2016_audi_s7"]},{"make":"AUDI","model":"S8","year_from":2013,"year_to":2016,"match":"exact","vehicle_ids":["2013_audi_s8","2014_audi_s8","2015_audi_s8","2016_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":[]}