TSB Document:

Affected 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 is caused by a brake torque variation due to an uneven coating of the brake pad friction material forming on the surface of the disc plate. To eliminate this concern, the surface processing on the disc plate has been changed.

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Date Published
APR 01, 2021
NHTSA TSB #
10190957
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