Checking Brake Discs For Minimum Thickness

WARNING: This page is about a different car, the 2014 Porsche Cayenne, 2013 Porsche Cayenne, 2012 Porsche Cayenne, and 2011 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Information

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Minimum thickness of PCCB brake disc

For perforated brake discs, the minimum thickness -X- must always be measured on the inner or outer friction surface track -arrows- .
Wear limit: The minimum brake disc thickness is stamped on the brake-disc chamber (e.g. Min. Th. 37.7 mm).

Measure the brake disc thickness -X- using a suitable micrometer screw or a brake disc gauge around the inner or outer friction surface tracks -Arrows- .