Brake/Rear end squeak?!?!?! - Mustang Evolution

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Old 05-23-2013, 10:02 PM   #1
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Brake/Rear end squeak?!?!?!

Hey guys, I have a squeak coming from what sounds lile my passenger side rear brakes. When I drive it squeaks quite a bit but quitely while in the car but quite loud outside the car. When I use the brake lightly (just tapping the brake gently) it squeaks louder and faster but while I push the brake hard, it stops completely until I start driving again or let off the brake a bit. Also, when I turn left or right, it squeaks louder, especially when im going around a long bend and the car turns in a constant motion. What could this be?! Low pads? Shims hitting the rotor?! I need it gone! Its so embarrassing and annoying! I recorded the sound so take a listen and all help is appreciated!!! Thanks guys!

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Old 05-23-2013, 10:18 PM   #2
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Maybe the rotor is warped or one of the pads is worn more than the other. You can try adjusting the emergency brake cable tension also. Maybe stuck a bit?
Check your lugnuts to make sure they are tight as well so the wheel is rotating true. Im no expert, just throwing out suggestions for you.
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Old 05-23-2013, 10:25 PM   #3
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Maybe the rotor is warped or one of the pads is worn more than the other. You can try adjusting the emergency brake cable tension also. Maybe stuck a bit?
Check your lugnuts to make sure they are tight as well so the wheel is rotating true. Im no expert, just throwing out suggestions for you.
Thanks Mavy! The lugs are tight because I just got new wheels and checked them multiple times. It did it before and after the new wheels and rims. I dont think its e-brake because the sensors not going off and its worse when touching the brakes. So I figure it must be something to do with a brake assembly (rotors, pads, lines, etc) if the pad was low, would it cause this?
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Old 05-23-2013, 10:39 PM   #4
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Thanks Mavy! The lugs are tight because I just got new wheels and checked them multiple times. It did it before and after the new wheels and rims. I dont think its e-brake because the sensors not going off and its worse when touching the brakes. So I figure it must be something to do with a brake assembly (rotors, pads, lines, etc) if the pad was low, would it cause this?
There are small metal tabs that will hit the rotor when the pad has gotten too low, causing a squealing noise. But it is usually more constant. In your case it sounds like the tab is only coming into contact at certain points of the rotor, which makes me think the rotor is slightly warped. Another option could be a stuck caliper. I would definitely check the brakes out first considering you can make the sound when hitting the brakes.

How long have you had the rims? I think I recall there being a clip on the studs that can interfere with non-factory wheels too. This clip is not required and can be taken off with no problem. It is only used for assembly purposes when the car was built.
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Old 05-23-2013, 10:52 PM   #5
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Had an aftermarket pair before these, only had originals on for a bit after having it. How do you remove that tab? And I think I might pull the caliper on the right rear tomorrow and let it roll and then brake and see if its the caliper, brakes. Etc.
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Old 05-24-2013, 12:27 AM   #6
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Caliber slides could be worn or un greased, when i did my brakes I redid all the slides, rotors and pads, no noise, smoother ride

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Old 06-05-2013, 08:24 AM   #7
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I am having a similar problem except mine squeaks more on bumps, but when I apply the brake, even a little bit it stops. It's so annoying.
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Old 10-29-2014, 12:45 PM   #8
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hey buddy i had the same exact problem with my car it happened after an accident i ended up hitting a curb with the back tire no physical damage i checked out the car it rides beautifully and nothing except the squeeking noise from the back brake it mainly happened when i ligtly tapped on the brakes ... i finally had time to take the breakes apart and see if i could fix it .... i took it apart and nothing seemed to be wrong i put back together and tightened everything down and put back together and its not making the noise now from that side of the car ! idk maybe i didnt notice something i fixed by accident but it works now !
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Old 04-20-2015, 07:54 PM   #9
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Same noise

I know this post is old, however I have a 2014 mustang v6 MT and am getting the same noise from the driver rear wheel. Did you ever figure out what this was?
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Old 08-08-2015, 07:41 AM   #10
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Hey guys. I have a 13' GT and I have the same issue as well except mine makes a constant squeaking noise. It is so annoying and embarrasing to me as well and I want it fixed so bad so I was wondering if anyone was able to pinpoint the exact problem that is causing it so I can go ahead and fix it. I do not really want to replace the pads and rotors right now because they are still in good shape but if I have to to get rid of the squeak I just might. I constantly put lube on the clips and that stops it for a brief amount of time but then after a few days it comes right back. I did install aftermarket rims so maybe that clip on the studs is causing the issue but my rims are the same dimensions as my stock ones were. Hopefully someone can help me with this issue cause it bothers me so much. Thanks for your help guys.
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Old 08-08-2015, 09:30 AM   #11
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I had a speed sensitive squeak that would go away with a light application of the brake. I ended up having a bent axle I found it by measuring run out to axle hub with rims/brake disc removed. I had .013 on bad side and .003 on good. My sound would go away with lubing of the calipers for a month or two but would come back. I got mine axle replaced under wtty
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Old 08-09-2015, 07:54 AM   #12
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Originally Posted by AP5496 View Post
Hey guys. I have a 13' GT and I have the same issue as well except mine makes a constant squeaking noise. It is so annoying and embarrasing to me as well and I want it fixed so bad so I was wondering if anyone was able to pinpoint the exact problem that is causing it so I can go ahead and fix it. I do not really want to replace the pads and rotors right now because they are still in good shape but if I have to to get rid of the squeak I just might. I constantly put lube on the clips and that stops it for a brief amount of time but then after a few days it comes right back. I did install aftermarket rims so maybe that clip on the studs is causing the issue but my rims are the same dimensions as my stock ones were. Hopefully someone can help me with this issue cause it bothers me so much. Thanks for your help guys.

Do you have stock pads and rotors


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Old 08-09-2015, 03:44 PM   #13
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Yes I have stock setup just aftermarket rims but there the same size as my stock rims. I hope it's not an issue with the axle but I don't think it is because I noticed if I press the gas and brake at the same time the squeak will stop and the moment I let off the brakes it will squeak again.


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Old 08-11-2015, 08:33 AM   #14
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Yes I have stock setup just aftermarket rims but there the same size as my stock rims. I hope it's not an issue with the axle but I don't think it is because I noticed if I press the gas and brake at the same time the squeak will stop and the moment I let off the brakes it will squeak again.


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I had the same issue with squeaking. I replaced my stock rotors and pads and noise was gone. Still is and fingers crossed. It's been since April


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Old 08-12-2015, 12:24 AM   #15
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I'm 99% sure it's just the way the pads wear I guess. They must not wear right. It's very annoying though and I just cannot stand it anymore so when I change my brakes I guess I'll go with some aftermarket pads instead of the ford pads and hopefully that'll solve the issue. Anyone have any recommendations for aftermarket pads? Thanks guys


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