{"nhtsa_id":10120689,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-25","date":"2015-02-23","document_id":"A191555 2039891-","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"Heating performance is low. Air bubble noises are heard from coolant and/or heat exchanger area. The check valve in the breather line can come loose. As a result, air may get into the coolant system. Modified parts in production starting with production date 2/5/2015.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10120689-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10120689-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10120689","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A4 ALLROAD","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_audi_a4-allroad"]},{"make":"AUDI","model":"A5 CABRIOLET","year_from":2015,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"A6","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_audi_a6"]},{"make":"AUDI","model":"A7","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_audi_a7"]},{"make":"AUDI","model":"A8","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_audi_a8"]},{"make":"AUDI","model":"ALLROAD","year_from":2015,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"Q5","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_audi_q5"]},{"make":"AUDI","model":"Q7","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_audi_q7"]},{"make":"AUDI","model":"S4","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_audi_s4"]},{"make":"AUDI","model":"S5 CABRIOLET","year_from":2015,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"SQ5","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_audi_sq5"]}],"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":[]}