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Swaybar hitting springs problem

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Old 08-09-2011, 02:47 AM
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Default Swaybar hitting springs problem

Hey guys I saw a thread about a guy who was having a "thud" in the front end every once in awhile, well I have it too. So I went under my jeep and found some rubbing marks from my front swaybar contacting my front springs( both driver and passenger). Both springs seem to be seated properly. Any ideas how to fix this? Any advice is welcome. Here is some pics. Jeep info: 2 door with Dana 30 in front, 4" TF and 37's
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Old 08-09-2011, 03:45 AM
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I had the same prob on drivers side after lift install. There were 2 issues in my case... First, I had to adjust the front trackbar again after the springs settled. Second, I had to raise the swaybar a bit by adjusting the links. I have JKS adjustable trackbars and links on my rig. Been fine ever since.
Old 08-09-2011, 04:26 AM
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Originally Posted by 07 JK "bullfrog"
Hey guys I saw a thread about a guy who was having a "thud" in the front end every once in awhile, well I have it too. So I went under my jeep and found some rubbing marks from my front swaybar contacting my front springs( both driver and passenger). Both springs seem to be seated properly. Any ideas how to fix this? Any advice is welcome. Here is some pics. Jeep info: 2 door with Dana 30 in front, 4" TF and 37's
just looking at the pics, it looks like your axle is pushed pretty far forward and to the point where the lower bump stop is forward of the upper BS. id move the axle back some, if you can.

FWIT, i have a TF 4" and my sway bar links are no where close to rubbing the coils.
Old 08-09-2011, 06:57 AM
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you have your front lower control arms set way too long. back them off to something closer to 23" eye to eye and then adjust your upper arms as needed to set your caster to where it needs to be.
Old 08-09-2011, 07:31 AM
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I had really bad flighty steering and had my shop adjust my castor. They said my castor was the cause of the flighty drive. They adjusted it to handle better. I'm not mechanically smart to work on my own stuff. I'm going to see if some family members can help adjust my stuff without paying mega $$$$
Old 08-09-2011, 07:41 AM
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Originally Posted by 07 JK "bullfrog"
I had really bad flighty steering and had my shop adjust my castor. They said my castor was the cause of the flighty drive. They adjusted it to handle better. I'm not mechanically smart to work on my own stuff. I'm going to see if some family members can help adjust my stuff without paying mega $$$$
that's fine and there's no need to change your caster setting. you just need to shorten up your lower arms and re-set the uppers to retain the amount of caster that you have now. if i could guess, your lower arms are set at about 24" eye to eye or more and that's well over an inch over stock and way too much.
Old 08-15-2011, 09:30 AM
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Ok guys I went on some trails and found that my REAR track-bar rubs my passenger spring, so tight the trackbar goes above a coil and then rests on it untill I flex again... Then a loud POP goes off an d it goes back to normal. Is there a relocation bracket to move it out some?. My jeep I bought used and I believe it has a teraflex monster track bar(in the rear).
Old 08-15-2011, 10:50 AM
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Originally Posted by 07 JK "bullfrog"
Ok guys I went on some trails and found that my REAR track-bar rubs my passenger spring, so tight the trackbar goes above a coil and then rests on it untill I flex again... Then a loud POP goes off an d it goes back to normal. Is there a relocation bracket to move it out some?. My jeep I bought used and I believe it has a teraflex monster track bar(in the rear).
Do you have some pics? Couple of questions? Are your rear springs bowed? Do you have adjustable rear control arms? It sounds like your rear axle pinion may be rotated up to much. If that happens it can cause the rear springs to bow toward the tracbar and cause contact. You can rotate the axle with adjustable arms or if you need that pinion angle for your driveshaft, as I see you have a 2dr., you could go with adjustable spring perches or spring shims to correct the problem.
Old 08-17-2011, 02:26 PM
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Originally Posted by Bonedoc

Do you have some pics? Couple of questions? Are your rear springs bowed? Do you have adjustable rear control arms? It sounds like your rear axle pinion may be rotated up to much. If that happens it can cause the rear springs to bow toward the tracbar and cause contact. You can rotate the axle with adjustable arms or if you need that pinion angle for your driveshaft, as I see you have a 2dr., you could go with adjustable spring perches or spring shims to correct the problem.
Yes I have adjustable arms ( full teraflex setup). I do have the teraflex trackbar bracket. My axel angle seems to be really steep, not to worried about driveshaft ( have a coast shaft). Can you give me some name brand perches or wedges I cab buy?
Old 08-18-2011, 06:05 PM
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I just lifted up my jeep with the tractor($60,000 floor jack) and took my spring and turned it around. I wasn't seated proper. But by doing this... I know I need to buy wedges and mabey get some spring retainers.



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