{"nhtsa_id":10170815,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-01-30","date":"2020-01-28","document_id":"04-002-20-3643a","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC","mfr_system":null,"summary":"Some vehicles may exhibit a groan noise from the front brakes when braking at a very low speed (approximately 6 mph / 10 km/h). This may be caused by a brake torque variation at that speed due to an inappropriate machining process of the brake disc surface. Customers having this concern should have their vehicle repaired using the following repair procedure.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10170815-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10170815-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10170815","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"MAZDA6","year_from":2014,"year_to":2020,"match":"exact","vehicle_ids":["2014_mazda_mazda6","2015_mazda_mazda6","2016_mazda_mazda6","2017_mazda_mazda6","2018_mazda_mazda6","2019_mazda_mazda6","2020_mazda_mazda6"]}],"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":[]}