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January 28, 2020 Service bulletin

Groan noise from the front brakes when braking at a very low speed (approximately 6 mph / 10 km/h). This...

Mazda technical service bulletin 04-002-20-3643a for 2014-2020 Mazda MAZDA6.

Bulletin number
04-002-20-3643a
Component
Service brakes, hydraulic
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.

Owners of these vehicles have filed 57 complaints in the brakes category.

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