Checking Brake Discs For Minimum Thickness

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Information

For perforated brake discs, the minimum thickness -X- must always be measured on the inner or outer friction surface track -arrows- .

Fig 1: Identifying Minimum Thickness Of PCCB Brake Disc
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
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- with a suitable micrometer screw or a brake disc gauge at the inner and outer friction surface tracks -arrows- .