Measuring Rear Brake Disc - Minimum Thickness

Measure the brake disc using a suitable micrometer screw at least three different places, offset by 120° -Arrows- .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Wear areas on brake disc friction surface

If the measured value is below the wear limit at one or more measuring points:

Replace brake disc.

	mm
Brake disc thickness, rear:	> Measured value 28 mm
Maximum thickness tolerance of brake discs:	> Measured value 0.02 mm