I spotted this on YouTube this morning. It show how cracks can start in the holes of a cross-drilled rotor. The rotor probably was junk in the first place, putting holes and slots in it did not help.
Andrew Markel is a former technician and service writer and he brings this practical knowledge to the Brake & Front End team as editor. Andrew is the third generation of his family in the automotive repair business.BRAKE & FRONT END dates back to 1931. It is steeped in a tradition of excellence and delivering to the reader the best undercar information. Andrew Markel can be reached at (330) 670-1234 ext. 296 or email me at amarkel@babcox.com.