Think i figured it out-sway bar hitting coil - Jeep Wrangler Forum
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Old 03-17-2015, 09:12 PM
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Think i figured it out-sway bar hitting coil

I I just installed my RK 2.5 X factor and my sway bar hits my drivers side coil. If I had 1/8th of an inch it would not hit. I have searched this and I am not the only one with this problem. I was looking around and I think I figured out why. The end of the coil at the bottom sits in a "seat" (small void) and on the drivers side it is on the rear of the perch. The passenger side is on the front of the perch. I noticed ever so slightly that the coil bends to the opposite side of the end of the coil at the bottom. Since it is in the rear on the drivers side it bends the coil forward making it contact with the end of the sway bar. Does anybody have any recommendations to fix this? What have others done?
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Old 03-17-2015, 10:56 PM   #2
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Did you put on the little rubber coil correction wedge things? Are your arms adjusted to proper length? I initially had a few scrapes on the passenger side coils from track bar but they got me re-adjusted and is fine now. There will not be a lot of clearance, but it should clear. This is because RK pushes the axle back with the X Factor. 2 doors especially need some very careful "dialing in" to get to the sweet spot.

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Old 03-17-2015, 11:09 PM
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Quote:
Originally Posted by mommymallcrawler
Did you put on the little rubber coil correction wedge things? Are your arms adjusted to proper length? I initially had a few scrapes on the passenger side coils from track bar but they got me re-adjusted and is fine now. There will not be a lot of clearance, but it should clear. This is because RK pushes the axle back with the X Factor. 2 doors especially need some very careful "dialing in" to get to the sweet spot.
Sorry I did not clarify. My rears are fine, it's my front driver side that makes contact.
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Old 03-17-2015, 11:26 PM   #4
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Hmmm. I had zero issues up front. Hope someone chimes in that knows a bit more than I do.
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Old 03-17-2015, 11:47 PM   #5
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Is the axle centered properly?
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Old 03-18-2015, 01:53 AM   #7
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Based on your comments, it sounds like coils are not seated the same way. One is seated correctly and the other one is rotated. If the perch has a lock for the coil make sure it is locked in there and rotate the top isolator accordingly.

If that does't correct the problem consider using the wedges that MMC mentions to flatten the lower perch which gets rotated as the axle swings downward when you install the lift kit. They will straighten out the coils. The interference is small because you have 2.5" lift kit but it is a lot more noticeable on 3.5"+ lift kits.
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Old 03-18-2015, 06:35 AM   #9
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Quote:
Originally Posted by kjeeper10 View Post
There's no wedges for the front ?
In the rear the end codes should be facing the back.
This. I had thought he was talking about the rears.
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Old 03-18-2015, 08:26 AM
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Yeah if you look at the front two coil perches on your Jeep, you will notice the seat for the end of the coil is in the back of the perch on the drivers side. It is on the front of the perch passenger side.
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Old 03-18-2015, 10:45 AM   #11
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My mistake. This is such a common problem in the rear, I thought you were talking about the rear axle.
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Old 03-18-2015, 01:54 PM   #12
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Just to confirm this isn't during articulation, just normal driving?

Like some above posted, definitely check the axle alignment in front to be sure it's centered. Also check on the bar placement in the mounts. Possibility it may have gotten pulled right during the lift install and just needs a tug to straighten it out.

I'm sure it's a simple fix and most likely either of the above is the issue.
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Old 03-18-2015, 02:48 PM
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Quote:
Originally Posted by highwayman
Just to confirm this isn't during articulation, just normal driving? Like some above posted, definitely check the axle alignment in front to be sure it's centered. Also check on the bar placement in the mounts. Possibility it may have gotten pulled right during the lift install and just needs a tug to straighten it out. I'm sure it's a simple fix and most likely either of the above is the issue.
Correct, not during articulation. If I disconnect my sway bar and push it down, it hits the driver side front coil. I have my sway bar at about 5* and it does not hit at that position, only when I disconnect and push the swaybar down. I know it doesn't get pushed down when crawling I'm just trying to explain what is happening. It just makes me uneasy because it is not perfect. I wonder what other people have done. I heard of one guy that adjusted his driver CAs. I don't agree with that especially because mine are within spec.
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Old 03-18-2015, 02:55 PM   #14
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Can you take a picture?
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Old 03-18-2015, 03:23 PM   #15
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Originally Posted by catalinafairview View Post
Correct, not during articulation. If I disconnect my sway bar and push it down, it hits the driver side front coil. I have my sway bar at about 5* and it does not hit at that position, only when I disconnect and push the swaybar down. I know it doesn't get pushed down when crawling I'm just trying to explain what is happening. It just makes me uneasy because it is not perfect. I wonder what other people have done. I heard of one guy that adjusted his driver CAs. I don't agree with that especially because mine are within spec.
Gotcha. And you checked both the axle and sway bar are centered? Yeah, can't see how CA adj are gonna fix that. The spring doesnt really move alot in relation to the SB by adj the CA's, so not sure why they'd recommend that. Especially if you have em in the right place already.

As far as articulation, I'd seriously recommend disconnects off roading and strapping the SB up.

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