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Unread 05-03-2009, 05:34 AM   #1
artboy
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rear brake vibration

I have a bad vibration coming from the rear brakes when I brake over 40. It also happens when I pull on parking brake slightly at speed. IT IS DEFINATELY THE REAR BRAKES!! I REPLACE THE SHOES AND DRUMS.. still there. Only thing I can find is when I turn the passenger wheel to adjust star wheel the shoes grab unevenly as the wheel turns as if the drum were warped (but it is new)! did the same thing with the last set of drums I had as well. Could the axle be slightly bent?.. only thing I can think of.. HELP! PS.. there are no vibes at all unless braking

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Unread 05-03-2009, 06:06 AM   #2
jd4x426
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check and make sure you brake pads are setting in properly make sure the springs and cables in there are all working properly also
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Unread 05-03-2009, 08:08 AM   #3
98muddyjeep
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switch over to rear disc breaks you will love em,I just did mine got them of a grand cherokee but I have heard you can bolt up liberty rear discs with no problems so might be worth looking in to.i would also check and see if the axle is stright just jack up the back and spin the tire to see if it wobbles or not.be sure to check your rims also
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Unread 05-17-2009, 09:23 PM   #4
Fox Fader
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I've been fighting the same problem now. I can't figure it out. Here's my thread
http://www.jeepforum.com/forum/f11/slight-vibration-braking-before-after-brake-service-751677/
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Unread 05-17-2009, 10:42 PM   #5
waltercrovo
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The Drums/or Drum Is Bent, Common Problem When A Shop Or Person Prys Or Beats Them Off With A Hammer. They Get Stuck Pretty Good. If Not To Bad Machining Them Will Cure It, If Not R/r Will Be The Cure.
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Unread 06-12-2009, 03:11 PM   #6
EvansXJ
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Vibration under braking 98 XJ

I have been having the same prob. Driving me crazy! I can hear and feel the vibe near shifters for tranny and transfer case while in the jeep. Only under braking. Also if you use e-brake only, just not as pronounced. I replaced drums and shoes today, w/ new wheel cylinders and hardware kit. Thought I had a warped drum. No deal. Also have replaced shocks, steering stabilizer,trans mount, motor mounts,swaybar bushings w/ links. New u-joints. I think you get the idea. I can't duplicate the sound while on a lift. Only on the road. Vibe is there in any gear on tranny, w/ or w/o 4WD, get up to speed in nuetral, still there. Also with tranny in nuetral and transfer case in nuetral. Also can slightly hear same sound while going down thw h-way over bumps that get the suspention kinda floating. PLEASE HELP
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Unread 09-13-2011, 08:41 PM   #7
97babyxj
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Bringing it back to life, any solutions for this problem? I am encountering a similiar issue with my 99.
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Unread 09-14-2011, 06:03 AM   #8
cruiser54
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You could have a bent axle flange or drums out of round. Have the drums turned and check the axle flange by spinning a jacked up wheel to observe run-out.
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