{"nhtsa_id":10153075,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-02-19","date":"2017-09-20","document_id":"A871782 2044717-","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"This bulletin provides instructions on correcting a high-pitched buzzing noise in the cabin when the fan speed is no higher than 2.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10153075-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10153075-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10153075","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A6","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_audi_a6","2013_audi_a6","2014_audi_a6","2015_audi_a6"]},{"make":"AUDI","model":"A7","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_audi_a7","2013_audi_a7","2014_audi_a7","2015_audi_a7"]}],"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":[]}