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Old 03-27-2016, 01:46 PM
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Help centering axle

Hello jeepers, I finally started to lift my 04 automatic TJ with a 2.5" OME suspension kit with 1.25" BL. I did not know where to start so i started on the rear side by swapping coils springs and shocks, after I installed rear swaybar links (adjustable) and finished off by installing rear adj. track bar. The instructions did not say to what length to adjust track bar. I have been doing research on how to do so, and so far I have gotten this; after I lower jeep to ground with tires i should jump up and down on jeep and move body "to center axle" and then install track bar. This sounds weird to me or am I just overthinking it?? any comments suggestions would be greatly appreciated also is it the same when installing the front trackbar?

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Old 03-27-2016, 01:54 PM   #2
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yep, thats the easiest way, still may need to use ratchet straps to get it perfectly centered.

the tj axles are self centering, so cycling the suspension, ie. jumping on the bumpers, will center the axle. sounds weird, works like a charm

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Old 03-27-2016, 02:04 PM
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thanx a lot I will try it!!
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Old 03-27-2016, 05:03 PM   #4
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Jumping didn't work too well for me, have another person hop in the driver seat with the car on and slowly turn the steering wheel in whichever direction you need. Make your measurements and put the bolt in. They will have to hold the steering wheel in that exact location while Doing this. You will need to realign your steering afterwards.
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Old 03-27-2016, 06:19 PM   #5
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With the track bar disconnected, the springs will indeed center the Jeep over the the axle. Jump on the Jeep a few times to make sure it has self-centered over the axle. Adjust the track bar length so it bolts up and you're done. Rarely will the springs not take care of getting it centered up.
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Old 03-27-2016, 09:23 PM
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Thanx everyone, as I am a Jeep newbie, better yet newbie to car science, I have to ask, in order to do this do I completely take off rear track bar and jump on car which is sitting on ground and once it is centered install track bar? I tried taking off trackbar on ground and there is very little space to work in, therefore was unable to take off trackbar.
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Old 03-27-2016, 09:50 PM   #7
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When the track bar is not at the correct length, it will be hard to unbolt since there will be pressure against its two mounting bolts. When that happens, figure out which direction it is binding in which should be helpful in deciding whether to jack the frame or axle up to release the tension.

The rear track bar's driver's side mounting bolt is indeed hard to get to. You have to use a hydraulic floor jack to lift the Jeep up by the frame to gain access to that bolt. See if you can't instead remove the passenger side track bar mounting bolt. Removing the passenger side rear tire may give you better access to it. The rear track bar can be difficult but stay with it, it can be done. If an old guy like me can do it, so can you.
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Old 03-27-2016, 09:54 PM   #8
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Somehow with my 2" lift I dont need to recenter my axles.I checked them a few weeks ago and they are right on.Not sure how that happened,but Ill take it.
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Old 03-27-2016, 09:55 PM   #9
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Quote:
Originally Posted by Jerry Bransford View Post
When the track bar is not at the correct length, it will be hard to unbolt since there will be pressure against its two mounting bolts. When that happens, figure out which direction it is binding in which should be helpful in deciding whether to jack the frame or axle up to release the tension.

The rear track bar's driver's side mounting bolt is indeed hard to get to. You have to use a hydraulic floor jack to lift the Jeep up by the frame to gain access to that bolt. See if you can't instead remove the passenger side track bar mounting bolt. Removing the passenger side rear tire may give you better access to it. The rear track bar can be difficult but stay with it, it can be done. If an old guy like me can do it, so can you.
Old guy??? I dont buy that at all.
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Old 03-27-2016, 10:06 PM   #10
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Quote:
Originally Posted by 1jeeplvr View Post
Somehow with my 2" lift I dont need to recenter my axles.I checked them a few weeks ago and they are right on.Not sure how that happened,but Ill take it.
Considering the geometry of the f/r track bars, the axles are indeed off some... the front is off to the passenger side, the rear is off to the passenger side. Not much with only 2" of suspension lift but some... 3/4" to 1" or so.

The only way that wouldn't happen is if that 2" was a body lift and not a suspension lift.

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Old guy??? I dont buy that at all.
Ha just ask my wife.
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Old 03-27-2016, 10:09 PM
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Thanx lots Jerry Bransford, I will have to do this tomorrow as it is getting dark and do not have a light to work with, but thanks for the support, I have never done any work on a car before, not even an oil change, so changing all the coils and shocks yesterday took me all day. Satisfied on how my jeep is coming together, but regret not having any before pictures to compare.
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Old 03-27-2016, 10:14 PM   #12
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Just please be very careful and be safe when doing work around that rear track bar and axle.
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Old 03-27-2016, 10:17 PM   #13
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I agree Jerry but I have a suspension lift and I unbolted the front trac bar,bolt came out easily and with it out I bounced they heck out of the jeep and the bolt easily went back in the hole. I don't get it
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Old 03-28-2016, 04:17 PM   #14
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My rear self centered when I jumped up and down on it fairly easy. The front never self centered and I'm still off 7/8" towards the drivers side. I'm not sure if it is the Metalcloak Springs are so stiff or what but it wont move from the jump or rock method. The jeep is a garage queen and still not done so I need to wrap it up but I'm going to use a ratchet strap and extend the MC adjustable bar out 3/8".
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Old 03-28-2016, 05:09 PM   #15
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The front will move a LOT with minor steering input when the front track bar is disconnected. It's a really simple method for lining it up to install the track bar when needed.

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