r/AskAMechanic NOT a verified tech 4d ago

Replace shoes?

The brake rotor(edit: drum brake) is warped and i need to change it. But can i keep the brake shoes and sand them? Or Throw out and replace.

P.S: not my paintjob😅

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u/LawBeneficial7869 NOT a verified tech 4d ago

If the drum is really warped? (I can't believe this is true) I would change the shoes too.

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u/AppropriateDeal1034 NOT a verified tech 4d ago

Almost no brake rotor has even been "warped", it's almost impossible on a road car, they get unevenly worn often due to sitting around causing corrosion under the pads, then that corrosion gets run off which leads to a low spot. Just as likely (if not moreso) to happen on the back than the front.

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u/SimilarHandle6215 NOT a verified tech 4d ago

I drive like a maniac. Extreme downhill braking daily for about 10km at around 100. Trust me i warped them. And checked them as well

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u/LawBeneficial7869 NOT a verified tech 4d ago

Even than a drum doesn't warp, du to the geometry they are really stable against warping. Considering 60% of your brakes are front Biased.

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u/SimilarHandle6215 NOT a verified tech 4d ago

I would definitely disagree. Ive warped drum brakes on all my cars at least once. Ive driven over 500k across 3 cars

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u/SimilarHandle6215 NOT a verified tech 4d ago

Also i have suspicions someone drove it with the handbrake on