In the US the brakes/rotors are covered for the first 4/50K no matter what happened, they would be replaced (foreign matter or not). Coverage in other countries may be different.

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An unwavering defender of those I see worth protecting.

"promote the general welfare, not provide the general welfare"

We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America.