Surface Cracks In Cooling Duct Crosspieces

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

The cracks on the surface of the cooling channels -arrow- were produced during the manufacturing process.

Fig 1: Cracks On Surface Of Cooling Channels Were Produced During Manufacturing Process

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The surface cracks do not mean the ceramic brake rotor is faulty.