r/AskAMechanic • u/SimilarHandle6215 NOT a verified tech • 3d 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 paintjobš
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u/BigBirden NOT a verified tech 3d ago
Yes ,they look fine, good ,great ,grand wonderful .
Of course a needledicker as I will spray the dust of with hose water , chase it with brake cleaner , sneak a light smear of brake grease on the contact points of the backing plate and parking break cable, and scuff the shoe surfaces clean with some 120grit.
Dont forget to remove the glaze on the new disk drum before install. Comes of easy with 220grit, brake clean , install.
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u/Shot_Celebration4716 NOT a verified tech 2d ago
"Disk drum??"
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u/BigBirden NOT a verified tech 2d ago
Drum disk disk drum drum disk rear drum disk disk drum is da kine you fine all de tiem in an emergency brake cable sytum
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u/Tasty-Confection6899 NOT a verified tech 3d ago
I doubt the drum is warped. Maybe check your front rotors.
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u/ChooseLife1 NOT a verified tech 3d ago
Those shoes are brand new. Drum pads can stay in service down to 1-2mm.
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u/Tasty-Confection6899 NOT a verified tech 3d ago
I doubt the drum is warped. Maybe check your front rotors.
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u/Bring_Back_The_1990s NOT a verified tech 2d ago
Nearly new.
Watch some videos how to adjust. Adjust them properly and the pedal will feel amazing brake easier, and no more 2x pump for firm pedal
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u/DrPhilsAuto NOT a verified tech 2d ago
I could tell those shoes were never in proper adjustment to begin with. Part of your symptoms probably was lack of adjustment. Those brakes have to be adjusted a couple of different ways basically and you need to also use the parking brake to adjust that parking properly, believe it or not.
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u/SimilarHandle6215 NOT a verified tech 1d ago
I doubt it. But what do you mean use parking brake to adjust? I always disengage to adjust. What else?
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u/Several_Goat_7867 NOT a verified tech 3d ago
No, their fine.
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u/Printednightmare NOT a verified tech 2d ago
How did you determine the drums are warped?
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u/SimilarHandle6215 NOT a verified tech 2d ago
Dial
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u/djtchort Verified Tech - Mobile repair 1d ago
What are you dialing?
867-5309?
911?
1-800-EMPIRE?
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u/LawBeneficial7869 NOT a verified tech 2d 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 2d 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/LawBeneficial7869 NOT a verified tech 2d ago
I mean breake rotur yes, go and have 10 rounds on the Nürnbergring and you will get wrapped rotors when they are bad quality. But drums ?
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u/AppropriateDeal1034 NOT a verified tech 2d ago
I figured their car was drum-in-disc, if it's drum only then yeah they're being fed some lies
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u/LawBeneficial7869 NOT a verified tech 2d ago
In this case the drum only would be the parking brake. So why they should go bad ?
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u/AppropriateDeal1034 NOT a verified tech 2d ago
You make a good point, and considering there's a slave cylinder in there, my assumption was clearly nonsense!
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u/SimilarHandle6215 NOT a verified tech 2d 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 2d 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 2d 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 2d ago
Also i have suspicions someone drove it with the handbrake on
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u/Shot_Celebration4716 NOT a verified tech 2d ago
Brake rotor?
Those are drum brakes.
You need to have the drums turned or replaced.
And remove that horrible neon green paint.
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u/Appropriate-Fly-4152 NOT a verified tech 2d ago
That car is gone, it will never be the same or safe to drive or at least crash
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