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Old 08-23-2014, 02:26 PM   #1
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Brake Help

Hey all,
I'm trying to figure out a Brake issue that just started.
When I brake it feels like they are Surging. I guess that's the term to use. I put new Rotors and pads on the front a few months ago, Black Magic and Centric Rotors. They have worked Great.
I can't tell if this Surge feeling is from the front or rear. Real noticeable just before a complete stop.
Wanted to gets some thoughts on what to check for.
I've been planning on doing the Rear Brakes just because I did the new fronts and why not do the rears as well.
Any help would be appreciated.
It's an 04 TJ auto 4.0
Thanks

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Old 08-23-2014, 04:06 PM   #2
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Anyone ?
I could use some ideas about what to look for when I get everything apart tomorrow.
Thanks.
You out there Jerry ?

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Old 08-23-2014, 04:30 PM   #3
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Did you do a complete flush? Get all the air out?
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Old 08-23-2014, 04:44 PM   #4
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Absolutely !
It's been great up until about 2 weeks
Ago.
Perfect for last few months since I did the brake job and all of a sudden, it's like it's slipping in a spot if that makes sense.
Like it jerks, but not to one side.
Back brakes are drums.
Haven't pulled them apart yet.
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Old 08-24-2014, 10:19 PM   #5
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Soooooo can I get some help ? Anyone ? lol
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Old 08-24-2014, 10:22 PM   #6
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Is it just in the pedal or does your steering wheel get feedback too?
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Old 08-24-2014, 10:48 PM   #7
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The pedal doesn't feel weird and the steering wheel is fine.
It's just the brakes. It's like if your bike rim was bent and you put the brakes on and they don't grab in one spot. That's how it feels.
I don't know how else to describe it.
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Old 08-24-2014, 11:01 PM   #8
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Just saw you didn't inspect the rears. Pull the drums and make sure the shoes aren't wearing funny and that the hardware is all good. Once you do that post back with your findings. Id bet it's the rears since you just did the front with quality parts.
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Old 08-24-2014, 11:09 PM   #9
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Quote:
Originally Posted by brendend View Post
Just saw you didn't inspect the rears. Pull the drums and make sure the shoes aren't wearing funny and that the hardware is all good. Once you do that post back with your findings. Id bet it's the rears since you just did the front with quality parts.
Yeah I agree with this. I'd also contact BM and explain to them the issues you're having and see if they have any suggestions also!
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Old 08-24-2014, 11:13 PM   #10
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Cool. Will do. Thanks for the input.
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Old 08-25-2014, 12:08 AM   #11
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Sounds like warped* rotors or drums to me. It is not unheard of for new rotors to warp but usually you will notice the steering wheel moving a bit back and forth, try watching for it at higher speeds where it might be more apparent. If you only feel it in you butt that would suggest an issue with the rears.

*warped is not the technically correct term though it is the widely accepted figure of speech to describe this problem.

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