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Seized Caliper Bracket Bolt - Any tips?

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Old Jun 3, 2019 | 12:13 PM
  #16  
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Originally Posted by toneekay
Yup. This is where I'm at with it... I've already started calling up a few places to see how much they'll charge to change out rear rotors/pads since my buddies shop is backed up and he doesn't have any available lifts for me to get my car up there.

The only reason why I want to change out the rotors is the fact that this car was from up north and I don't think the rear rotors were ever changed since I purchased the car used a while back. None of the suspension components are rusted, however the vents on the rotors look like complete crap.
My 450h came with blank rotors without vents, 91k miles the black coating on the hats of the rotor is 100% intact no rust.

Did the vents have the black coating on them before? I guess another alternative would be to repaint them.
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Old Jun 3, 2019 | 12:14 PM
  #17  
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Originally Posted by peasodos
My 450h came with blank rotors without vents, 91k miles the black coating on the hats of the rotor is 100% intact no rust.

Did the vents have the black coating on them before? I guess another alternative would be to repaint them.
I'm honestly not sure (or I don't remember when buying the car a while back). I'll check again today and snap some pics.
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Old Jun 3, 2019 | 01:36 PM
  #18  
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Have you tried using an impact wrench against the handle of the ratchet (or short breaker bar) to break the bolt loose since you are unable to use an impact wrench with socket directly on the head of the caliper bolt?
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Old Jun 3, 2019 | 02:36 PM
  #19  
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Originally Posted by toneekay
Yup. This is where I'm at with it... I've already started calling up a few places to see how much they'll charge to change out rear rotors/pads since my buddies shop is backed up and he doesn't have any available lifts for me to get my car up there.

The only reason why I want to change out the rotors is the fact that this car was from up north and I don't think the rear rotors were ever changed since I purchased the car used a while back. None of the suspension components are rusted, however the vents on the rotors look like complete crap.
My rotor vents have rust on top of them too, most cars do when they get some miles on them. They have silver caliper/engine paint, I would just take a wire brush, sandpaper, work on them, spray them with brake cleaner and paint the top of the vents, it will greatly improve the look and stop the rust. I don't think you should put yourself through much trouble to replace them, you don't have that many miles on your car. My mom's car has 170K miles on it and her rear rotors are still in good condition and don't need to be changed.
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Old Jun 5, 2019 | 03:32 AM
  #20  
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Originally Posted by er34
Make sure you are turning counter-clockwise - it can happen to the best of us when you are working backwards and disoriented.
LOL this happened to me when i was replacing some snapped studs on the rears 😂 i was like DAAAMN this things REALLY on there
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Old Jun 5, 2019 | 11:21 AM
  #21  
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I was planning to paint my calipers two weeks ago but abandoned the project because I couldn't get the rear caliper bolts to move.
Having discovered yesterday that I needed new rear brake pads, I decided to give the caliper bolts another go with a breaker bar.

They loosened, but it was rough, need to get myself a breaker bar w a ratchet for these tight spaces.
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Old Jun 5, 2019 | 11:36 AM
  #22  
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Have you tried a blow torch?
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Old Jun 5, 2019 | 12:27 PM
  #23  
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If you're going to pay a shop to loosen a bolt for you, you may as well invest in a tool that will help make your life easier not just for this job, but other future car repairs.

https://www.milwaukeetool.com/Produc...enches/2861-20

Even this will probably be enough to remove it - amazing tool for the size.
https://www.milwaukeetool.com/Produc...nches/2555P-20
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Old Jun 5, 2019 | 12:48 PM
  #24  
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Originally Posted by er34
Even this will probably be enough to remove it - amazing tool for the size.
https://www.milwaukeetool.com/Produc...nches/2555P-20
"Up to 250 ft-lbs of nut-busting torque."

It really says that.

I have one of these generic Chinese electric impacts.
It's big, but I haven't found anything I couldn't loosen yet. Made my Tanabe spring job possible.
Definite steal at $65. The included SAE sockets kill me: who needs those?

Last edited by jonathancl; Jun 5, 2019 at 12:54 PM.
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Old Jun 5, 2019 | 12:58 PM
  #25  
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Originally Posted by jonathancl
"Up to 250 ft-lbs of nut-busting torque."

It really says that.

I have one of these generic Chinese electric impacts.
It's big, but I haven't found anything I couldn't loosen yet. Made my Tanabe spring job possible.
Definite steal at $65. The included SAE sockets kill me: who needs those?
Bust your nuts or bust your knuckles - take your pick
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