Brake Inspection: Chamfer

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Chamfers -arrow- on the edges of the brake rotor are caused by mechanical damage.

Fig 1: Chips On Edge Of Brake Disc Are Caused By Mechanical Damage

Courtesy of AUDI OF AMERICA, LLC

The following are permitted:

maximum width/depth = 2 mm.
maximum length = 10 mm
Maximum number of chamfers on the brake rotor = 3

Ceramic brake rotors are to be replaced if any of these criteria are exceeded.

CAUTION:

Risk of accident due to uneven braking.

- If a brake rotor is damaged or worn, check the other brake rotors for damage and wear.