Rotor Stuck on Hub – Need Help Getting It Off!

Ownership and Maintenance
1

Troubleshooting a Stuck Brake Rotor

I’m in a bit of a bind here and could really use some advice. I’ve been working on replacing the brake pads on my car, but I’ve hit a wall. The brake rotor is completely stuck on the hub, and I can’t seem to get it off.

Symptoms I’m Facing:

  • Rotor Won’t Budge: I’ve tried using a rubber mallet and a bit of penetrating oil, but it’s not moving.
  • No Rust, Just Stuck: There doesn’t appear to be any rust or corrosion, but still can’t get it off.
  • Brakes Were Working Fine: I wasn’t having any issues with my brakes before I started this, so I wasn’t expecting this problem.

Things I’ve Tried:

  1. Penetrating Oil: Sprayed some on and let it sit, but it hasn’t helped.
  2. Rubber Mallet: Gently tapped around the rotor perimeter but no luck.
  3. Heat: I was cautious, but I tried using a heat gun to expand the metal. Didn’t change anything.
  4. Brake Drum Removal Tool: I don’t have one of these, but I might consider purchasing one if it’s a popular solution.

What Would You Recommend?

  • Is there a specific technique you use when dealing with a stuck rotor?
  • Are there any tools you think I absolutely should buy to resolve this?
  • Should I be concerned about damaging anything if I apply more force?

Any tips or shared experiences would be greatly appreciated! I’d really like to avoid a trip to the mechanic if I can help it. Feel free to share any success stories or solutions that worked for you!

Thanks in advance for any help you can provide!

Additional Context

  • Car Model: 2015 Honda Civic
  • Previous Work: Just replaced brake pads, this was supposed to be a simple job!

Looking forward to your suggestions!

2

It sounds like you might have some rust buildup or debris locking the rotor in place. Check for any visible signs of corrosion on the hub surface. A little penetrating oil can help too.

3

If it’s really stuck, there might be a lot of brake dust trapped as well. Clean around the hub area; that might help reduce friction.

4

Great point! I’ve seen rust make rotors nearly impossible to remove. Have you tried tapping it gently with a hammer while applying some lubricant?

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5

I had a similar issue last month! It turned out the rotor had developed a lip from wear. Once I got it off, I had to machine it down to ensure a proper fit later.

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6

That’s insightful Dan! Did you notice any vibration or noise before replacing the rotor? It might help others diagnose their issues.

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7

Definitely check for rust and corrosion, but it’s also possible it’s just stuck from heat. Make sure you’re cooling it down before attempting removal.

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8

That’s a solid tip, Tyrone! What about using heat to your advantage? Heat gun, anyone?

9

Be careful with applying heat though! Too much could damage other components. A careful balance is key here.

10

I’ve found that a soft mallet works wonders without damaging the rotor. You can knock it loose gently!

11

Exactly! Plus, it’s a safer method. Using tools like a slide hammer can also help in stubborn cases.

12

Don’t forget about environmental factors! If the vehicle is exposed to rain or snow, that can accelerate rust on the hub and rotors.

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13

True! But it’s still a mystery how some rotors get stuck without obvious signs. Any theories?

14

All this talk about rotors, it’s almost like they have a mind of their own! Maybe they just want to stay put for a reason? :wink:

15

I had a similar issue once with a stuck rotor. Penetrating oil is a game changer! Spray it and let it soak for a while before trying to remove it. Worked wonders for me!

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16

I second that! I used PB Blaster, and it worked like magic. Just remember to give it enough time to seep in.

17

If oil isn’t enough, try using heat. A little torch action can really loosen things up. Just be cautious with any rubber or plastic around!

18

Absolutely! Heat expands metal, which can help break the bond. Just don’t overdo it!

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19

I’ve had success with a 3-jaw puller. It’s a handy tool that can grip the rotor securely and apply even force. Just make sure to use it gently to avoid damage.

20

Great tip! I’ve also used a hammer with a block of wood to tap around the edges gently. Sometimes just a little vibration is all it takes.