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Old August 9th, 2013, 01:31 PM   #1
xj4life
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Squeaky brakes

Never had an issue like this with any vehicle I've ever owned, pretty much have always changed my own brakes since I was old enough to drive.

But this JK is being a PITA. Bought it a few years ago and just put new brakes on all four corners a few months ago. Ever since then the brakes squeal something fierce. Cant say for sure what brands of things I put on but basically a combination of NAPA and Raybestos, all new rotors/pads/hardware (minus slide pins).

Is there normally a main culprit that causes squealing? Tempted to swap out the pads with some basic Duralast and just see what that does.
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Old August 9th, 2013, 01:37 PM   #2
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My 1500 GMC did the same thing. Put on new pads, rotors, and hardware and it squeaked horribly for a couple years. I used Carquest parts though. I took everything apart and cleaned them. Even scuffed the pads. Nothing. Finally bought some slotted and drilled rotors and matching pads from Summit and never another squeak. When I changed pads the old ones looked almost new, plenty of life left but squeak like crazy.

I always go with O.E. material, not the cheap semi-metallic stuff. When I do brakes for family and friends, I tell them to not buy the cheap stuff because of dust and noise.
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Old August 9th, 2013, 01:46 PM   #3
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See if the tire rotates smoothly; the caliper may be hanging up just little bit ?
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Old August 9th, 2013, 01:48 PM   #4
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Quote:
Originally Posted by Flexin' XJ View Post
My 1500 GMC did the same thing. Put on new pads, rotors, and hardware and it squeaked horribly for a couple years. I used Carquest parts though. I took everything apart and cleaned them. Even scuffed the pads. Nothing. Finally bought some slotted and drilled rotors and matching pads from Summit and never another squeak. When I changed pads the old ones looked almost new, plenty of life left but squeak like crazy.

I always go with O.E. material, not the cheap semi-metallic stuff. When I do brakes for family and friends, I tell them to not buy the cheap stuff because of dust and noise.
Like I said I cant remember but I thought I got above OE grade. But who knows.

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See if the tire rotates smoothly; the caliper may be hanging up just little bit ?
everything slides smooth and works as it should.
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Old August 9th, 2013, 02:25 PM   #5
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Did you put brake quiet on the back of the pads and some lube on the shims for the carrier? I have never had an issue with squealing brakes when these products were used.
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Old August 9th, 2013, 02:29 PM   #6
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Did you put brake quiet on the back of the pads and some lube on the shims for the carrier? I have never had an issue with squealing brakes when these products were used.
i put brake quiet on all surfaces where the caliper met the pads (inner pad and outer pad). did not lube the slide pins but they felt as if the lubrication they had was good and the slide smooth.
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Old August 9th, 2013, 02:36 PM   #7
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New pads and rotors?

The evolution pads from napa are ceramic and work well and we use a bunch of wagners perfect stop ceramics with no issues.

Most brake noise comes from pad vs. rotor finish unless you have something bound up or something rubbing on the rotor (dust shield, pad hardware.)

If the rotor finish is poor new pads normally won't change much, need to start all over.
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Old August 9th, 2013, 02:38 PM   #8
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i'm thinking my pads and rotors were different brands and was causing the issue because i normally just go to one place and get everything. this time i had stuff from napa and ordered others from rockauto.com
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Old August 9th, 2013, 02:45 PM   #9
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"and ordered others from rockauto.com"

The real cause comes to the surface.
Saving $ always has a cost.
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Old August 9th, 2013, 02:49 PM   #10
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"and ordered others from rockauto.com"

The real cause comes to the surface.
Saving $ always has a cost.
more a lack of time that drove that one. two kids and OT at work, just easier to order online and have it shipped home.
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Old August 12th, 2013, 03:25 PM   #11
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My wife's LJ does the same thing ever since we put the stinking ceramic pads on. Never squeaked before, but has ever since. I will not ever use those freaking things again. They only squeal when applying the brakes but it's annoying as heck. They stop you great and we are seeing great wear from them but the squeal is so bad I would rather replace pads more often than listen to these things. Yes we have tried everything to stop the squealing. Thank God I don't drive it she does and she said she has just got used to it.
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Old August 12th, 2013, 03:33 PM   #12
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Put cheap napa pads on my cherokee one time, they squealed like a mofo.
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Old August 12th, 2013, 05:35 PM   #13
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I have run into this twice, both times I took and orbital sander with some 120 grit and scuffed the rotors. Works great.

Cleaning the goo off the rotors before installing or scuffing is a good idea too. A quick shot of brake clean isn't always enough. They need to be clean!
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