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Old 03-23-2013, 03:29 PM   #1
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Help shaking while breaking at certain speeds

I just lifted jeep drove it around no problem. Took it off road was fine. Once I left and got it to 40-45 shook lil bit but did that before I went off road but now when I hit the brakes It feels like the front end is about to come apart. I thought my wheel was coming off that's what it sounded. The coil springs in front are curved in them like axle moved 1/4 to 1/2 in over. Not sure if this is the cause of it. Not sure how to fix this.

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Old 03-23-2013, 03:41 PM   #2
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I would start with checking track bar and control arms

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Old 03-23-2013, 03:47 PM   #3
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You think alignment would fix it and get axle straight
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Old 03-24-2013, 02:10 AM   #4
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Alignment has nothing to do with the axle shifting over, the track bar is what holds the axle center underneath the jeep. How big of a lift and i am pretty sure you will need a alignment after a lift.
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Old 03-24-2013, 07:09 AM   #5
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Just 3 in. It was all center when I drove around town but when I flexed and took it off road it shifted over. To me that seems weird but I was gentle off road and was not abusive to it. I was thinking adjusting the bar near the steering box but not an expert. I'm thinking the suspension settled that's why it happened.
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Old 03-24-2013, 07:17 PM   #6
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Are you using the stock track bar with a relocation bracket or aftermarket trackbar?
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Old 03-24-2013, 08:29 PM   #7
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Stock but its the front shaking not the rear. The front coils show axle shifted to drivers side. If I brake hard at 40 it's shakes like wheel coming off but at 30 it's fine.
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Old 03-24-2013, 08:31 PM   #8
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Check your Control arms
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Old 03-24-2013, 08:32 PM   #9
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what you should do is get under your jeep and take some pictures of the front end, then post them and let us take a look for ya!
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Old 03-24-2013, 08:33 PM   #10
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What am I suppose to look for since I have no idea. I know there there and attached. I dropped it for an alignment for tomorrow. I needed one
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Old 03-24-2013, 08:34 PM   #11
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If I have time I will before work if enough light I can try take coils there it's noticeable they are in right spot.
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Old 03-25-2013, 06:20 AM   #12
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This is passenger side
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Old 03-25-2013, 10:21 AM   #13
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Mine has a real bad shimmy while breaking between 55-50mph. I know I need new rotors (I can feel a light shake only in the brake pedal anytime I'm braking) so I'm chalking it up to that.
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Old 03-25-2013, 11:00 AM   #14
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Have someone watch the passenger side of the axle and the driver side near the frame. there is a bar that goes from the frame to the passenger side mount on the axle. THAT is your trackbar. There IS a trackbar on both leaf and coil spring suspensions. This keeps the axle from shifting left to right (keeps it centered). With 3 inches of lift you MUST have either a trackbar relocation bracket, drilled new hole for the mount on the axle, or replace all together with a new adjustable trackbar. This is not in question, or the axle WILL shift and be adding stress to the suspension components.

If you are not sure what you are looking at, or how to make the necessary changes, take it to a reputable off-road/4x4 garage and they can do it. I hate suggesting taking it somewhere since I do my own work (have turned EVERY bolt on my jeep and done all installations myself) but not all can do that.
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Old 03-25-2013, 02:01 PM   #15
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i really dont like how your spring is sitting... thats unnatural for sure.... can you post a pic of your front axle?
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Old 03-25-2013, 06:45 PM   #16
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The alignment shop said track bar is loose that fix the axle and springs. My rotors and brakes being done and wheels ballenced tomorrow. My rotor is just a little bad some metal missing pads missed lil bit.
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Old 03-25-2013, 06:47 PM   #17
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I got relocated track bar coming. But the front I'm upgrading it.

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