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removing a stuck rotor....

• Thread starter Gibson486
• Start date Jan 10, 2010

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Gibson486

Lifer

Aug 9, 2000 18,378 2 0 I am trying to remove a rotor that is pretty stuck. i was able to hammer out the passenger side with a 1 lbs mallot, but the driver side will not budge. Anyone have any tricks that they use to remove stubborn rotors? BTW, I have a Mazda 3, if it matters.

quakefiend420

Lifer

Aug 26, 2004 14,685 1 76 try some penetrating oil? could try heating it a bit with a torch then taking a whack at it P

Pacfanweb

Lifer

Jan 2, 2000 13,158 59 91 Yep, penetrating oil....Deep Creep, PB Blaster, or whatever. Let it soak for a good, long time, then get back at it with the hammer. Or, heat it. One of those propane torch deals they have at Lowes or Home Depot will do. Heat it and beat it. It'll come off.

skyking

Lifer

Nov 21, 2001 22,822 5,986 146 To prevent damaging it, beat it near the studs and center hub like you are driving it back ON the car. It will start to loosen up and bounce back at you. Using that method you can employ a drift and a really big hammer without any consequence.

SooperDave

Senior member

Nov 18, 2009 615 0 0

skyking said: To prevent damaging it, beat it near the studs and center hub like you are driving it back ON the car. It will start to loosen up and bounce back at you. Using that method you can employ a drift and a really big hammer without any consequence. Click to expand...

This

jlee

Lifer

Sep 12, 2001 48,518 223 106

SooperDave said: This Click to expand...

Yep. If you pound on the disc part, you can break it off the hat. We had one come apart in pieces... Pound on the hat (just don't hit your lugs or you might need to replace them after flattening the threads out ).

exdeath

Lifer

Jan 29, 2004 13,679 10 81 All these crazy stuck rotor stories. All my rotors start to fall off the hub, being held only by the caliper, as soon as I take the wheel off

jlee

Lifer

Sep 12, 2001 48,518 223 106

exdeath said: All these crazy stuck rotor stories. All my rotors start to fall off the hub, being held only by the caliper, as soon as I take the wheel off Click to expand...

Pfft, real men let their rotors soak in salt for five years prior to removal.

Gibson486

Lifer

Aug 9, 2000 18,378 2 0 I am going to replace the rotor.....so I don't care if I break it. If I do the heat method,where do I apply heat? DO I have to worry about applying too much heat?

StageLeft

No Lifer

Sep 29, 2000 70,150 5 0 Penetrating lube will give you nothing of benefit here, I swear it must be the most overrated mechanical approach ever. I don't think you need heat. It may help but try what was mentioned above first. The worst rotor I have had would not come off with a rubber mallet. However, it would with a hammer. The hammer was no heavier but importantly it was metal. I believe that striking the rotor shot vibrations through where it was connected to hub and started to break apart the rust. Of course the rotor got damaged in the process.

Demon-Xanth

Lifer

Feb 15, 2000 20,551 2 81 I've used a pully puller in the past with great results. As far as the hammer vs. mallet. The hammer produces a much harder shock of a blow that the mallet is explicitly designed to prevent. Which is why the hammer works in this case. D

darom

Senior member

Dec 3, 2002 402 0 0 I must admit the ingenuity of the Japanese car builders in regards to my wife's 2002 Mazda MPV van - each front rotor has a threaded hole (10 or 12mm). I don't remember exact size, but you just start threading a bolt there and it pushes the stuck rotor off. Eureka! Have you checked yours?

SpatiallyAware

Lifer

Sep 7, 2009 12,960 3 0 FYI they often have threaded lugs where you can screw a bolt (of the correct thread/pitch of course!) in and it will pop the rotor off. Past that, pretty much +1 to what others said - pb blaster and BFH

Gibson486

Lifer

Aug 9, 2000 18,378 2 0

darom said: I must admit the ingenuity of the Japanese car builders in regards to my wife's 2002 Mazda MPV van - each front rotor has a threaded hole (10 or 12mm). I don't remember exact size, but you just start threading a bolt there and it pushes the stuck rotor off. Eureka! Have you checked yours? Click to expand...

I am listening....where is this thread? Is this the threaded hole that is used to hold the whole caliper assembly in its place? I would love to do something like this....my arms are so sore from hammering 3 hours straight. I think I know what you are talking about though......

Demon-Xanth

Lifer

Feb 15, 2000 20,551 2 81

Gibson486 said: I am listening....where is this thread? Is this the threaded hole that is used to hold the whole caliper assembly in its place? I would love to do something like this....my arms are so sore from hammering 3 hours straight. I think I know what you are talking about though...... Click to expand...

Gibson486

Lifer

Aug 9, 2000 18,378 2 0

Demon-Xanth said: Click to expand...

Ah man......i hope this works....will post tonight if it does....

Gibson486

Lifer

Aug 9, 2000 18,378 2 0 Just looked it up, mazda 3 rotors do not have those holes. edit: Found this though.... http://www.youtube.com/watch?v=mtsTJCRljAs I was thinking about doing this too....but the screws on mine would not touch the fins Last edited: Jan 11, 2010 B

blipblop

Senior member

Jun 23, 2004 639 0 76 awesome timing for this thread. I'm about to change rotors in the spring when it's not freaking 10 degrees outside. Gathering much needed information!

StageLeft

No Lifer

Sep 29, 2000 70,150 5 0

Gibson486 said: Just looked it up, mazda 3 rotors do not have those holes. edit: Found this though.... http://www.youtube.com/watch?v=mtsTJCRljAs I was thinking about doing this too....but the screws on mine would not touch the fins Click to expand...

That sucks. Did you try the metal hammer yet?

brblx

Diamond Member

Mar 23, 2009 5,499 2 0 as others have said, penetrating oil plus a steel hammer on the hat will work. period. i like the bolt method less because you can crack the rotor if you're not careful. i've never damaged one by hitting it with a hammer [in the right place].

exdeath

Lifer

Jan 29, 2004 13,679 10 81 PB Blaster. It works. If it can do stuck lug nuts, it can do rotor hubs. You just have to give it time to soak do it's think and not expect it to work instantly.

skyking

Lifer

Nov 21, 2001 22,822 5,986 146

exdeath said: PB Blaster. It works. If it can do stuck lug nuts, it can do rotor hubs. You just have to give it time to soak do it's think and not expect it to work instantly. Click to expand...

I'm not so particular to brand of oil, but letting it sit overnight is a big help. I'll even oil the crap out of something and drive it the next day to give it a chance to work.

jlee

Lifer

Sep 12, 2001 48,518 223 106 Get a BiggerFH. Just be sure to hit the hat and not the rotor, unless you feel like taking it apart in pieces (which is possible).

Billb2

Diamond Member

Mar 25, 2005 3,035 70 86

exdeath said: PB Blaster. It works. If it can do stuck lug nuts, it can do rotor hubs. You just have to give it time to soak do it's think and not expect it to work instantly. Click to expand...

For PB Blaster H

HarryLui

Golden Member

Aug 31, 2001 1,518 33 91 Get a puller.

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