Source: EssentiallySports!.com posted the following explanation as to what caused the brakes on Sebastian Vettel’s Ferrari to fail during the Italian Grand Prix

MODENA, Italy – Six laps into the recent Italian Grand Prix at Monza, Sebastian Vettel had to retire due to a major brake-system failure.

According to a report on EssentiallySports!.com, “Ferrari has revealed that they managed to figure out the root cause of this issue after analyzing it with their brake supplier, Brembo. The brakes were not fitted properly in the left-rear tire which led to further complications. The brake disc heated up and eventually exploded leaving Vettel without brakes. He managed to bring his car back into the pits and retired from that race.”

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Vettel’s problems followed him to the Tuscan Grand Prix the following weekend where an electrical problem during practice ended his day. The Ferrari team was able to fix the issue and Vettel competed in the Sept. 13^th race, finishing 10^th.