Thickness Inspection

Using a micrometer, check thickness of disc rotor. If thickness is outside the specification, replace disc rotor.

Fig 1: Measuring Brake Rotor With Micrometer

Courtesy of NISSAN MOTOR CO., U.S.A.

Standard thickness : 34.0 mm (1.339 in) 

Wear limit : 32.0 mm (1.260 in) 

Maximum uneven wear (measured at 8 positions) : 0.015 mm (0.0006 in) or less