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JLUR - right rear tire offset?

Turfman

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Minuscule and nearly to the point of immeasurability.... you can’t feel it therefore, it isn’t affecting the drive.
So your saying the amount of offset in the tire he’s showing is minuscule! Looks pretty obvious to me!
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Pressurized

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So your saying the amount of offset in the tire he’s showing is minuscule! Looks pretty obvious to me!
I'm saying the effect of that offset is miniscule... Most lifted Jeeps have axle offset. To be centered/centered, you will need both adjustable track bars, F&R the majority of the time. How many kits come with both track bars? Very few... Sure, you can add them after the fact. It's us OCD's that do that. Most do not. I would fix it, I'm saying it isn't killing the Jeep, killing the ride quality, or killing the fun factor if it isn't done.
 
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xeon

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I think the effect is subjective and dependent on your level of OCD. At least for me, when I know something is wrong and I feel something thats not right...it just bugs the heck out of me and I cant stop thinking about it. Unfortunately, in my current situation I am fighting the warranty battle. To maintain the warranty Jeep and or Jeep Dealer must be given the opportunity to fix the problem. JeepCares pushes the problem back on the dealer since it has a MOPAR 2" lift that caused the problem. Dealer is saying its designed that way. So their battle is just beginning. I think what will ultimately happen is they will wait until the new driver isolator is in and remeasure/align and see where its at. If its still off...which I believe it will be. They dont have a lot of choices. 1) Try a different MOPAR lift kit and see if that solves the problem. 2)Refund me the cost of the lift and put the factory stuff back on. 3.) Fix the problem. (adjustable track bar) Now Jeep and FCA have no desire to refund the cost of the lift The last thing they want is to admit their kit is defective in anyway or they have to supply a fix to everyone.

The offset under normal city and freeway driving - i don't notice it much. Unless I am looking at the jeep because its visibly noticeable when sitting but its effects are not noticeable until you hit that pothole or get between two semis at high speed or you are fighting high cross winds that the effect is significant. The jerking of a vehicle in specific direction due to any of these is normal. Its what happens after that. The amount of effort required to straighten and stabilize it is not normal and due to the offset the amount of steering effort is not uniform from right to left making it more odd. Now these experiences other than high winds are momentary highway speed things. Off road.... going slow, don't notice a thing at all.

The worst condition is the high speed cross winds and where I live its very common. It can last 30 minutes on a drive. Its white knuckling the entire time which is exhausting.

The articles on proper thrust angle and the effects are well documented online at various sources .... bad handling, non-uniform turning efforts, bad tire wear, u-joint wear, etc.

At this point I am waiting for JEEP and or Dealer to do the right thing. End of the week I have to ratchet it up if I am not getting anywhere. Fingers crossed.
 
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xeon

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Since my last post I did get the new isolator installed and the problem has reduced some but still visually noticeable. Still working with JeepCares and dealer trying to get it resolved. Hoping they can get it resolved next week.
 

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RubiRob

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Since my last post I did get the new isolator installed and the problem has reduced some but still visually noticeable. Still working with JeepCares and dealer trying to get it resolved. Hoping they can get it resolved next week.
What resolution are you hoping to get?
 

Pressurized

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Since my last post I did get the new isolator installed and the problem has reduced some but still visually noticeable. Still working with JeepCares and dealer trying to get it resolved. Hoping they can get it resolved next week.
Buy an adjustable track bar and ask them to install it, fixed.
 

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I'll be damned. Redid everything and had my wife push the Jeep to the right from the left as I tightened the track bar on both sides, I'm now within 1/8" of a difference.!
 
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There is the resolution I want , the resolution I will get and then the solution I will do. Not all of these are the same.
Much like the spring isolator for the 2" mopar lift that caused the bow, I am hoping they will come to realize the design of the MOPAR 2" lift causes another problem and thats the offset. So I would hope that FCA/MOPAR takes at look at what they designed and finds a fix. I purchased the MOPAR lift over others to keep everything under the warranty. Adding a track bar according to the dealer and FCA will void the warranty. What parts of the warranty... I don't know. What are the risk factors for taking that approach...low to none. But its the principal of why I paid for the warranty in the first place. I certainly don't want to end up in court over something that can be fixed for a few hundred dollars. So here are what I deem are acceptable outcomes. 1. MOPAR releases an update ( adjustable track bar perhaps). 2.) MOPAR agrees in writing that adding a track bar to get the body re-centered does not void the warranty. Either of these are acceptable. But to keep selling the lift kits that cause the problem and then cause their customers to have to either 1. live with it, or 2. fix it at their expense is not what I would expect from any reputable company. Since in some cases the offset is significant it does cause stability issues for some who suffer from this.

Well thats my reasoning at least.
 

RubiRob

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There is the resolution I want , the resolution I will get and then the solution I will do. Not all of these are the same.
Much like the spring isolator for the 2" mopar lift that caused the bow, I am hoping they will come to realize the design of the MOPAR 2" lift causes another problem and thats the offset. So I would hope that FCA/MOPAR takes at look at what they designed and finds a fix. I purchased the MOPAR lift over others to keep everything under the warranty. Adding a track bar according to the dealer and FCA will void the warranty. What parts of the warranty... I don't know. What are the risk factors for taking that approach...low to none. But its the principal of why I paid for the warranty in the first place. I certainly don't want to end up in court over something that can be fixed for a few hundred dollars. So here are what I deem are acceptable outcomes. 1. MOPAR releases an update ( adjustable track bar perhaps). 2.) MOPAR agrees in writing that adding a track bar to get the body re-centered does not void the warranty. Either of these are acceptable. But to keep selling the lift kits that cause the problem and then cause their customers to have to either 1. live with it, or 2. fix it at their expense is not what I would expect from any reputable company. Since in some cases the offset is significant it does cause stability issues for some who suffer from this.

Well thats my reasoning at least.
So I actually went back to my Jeep yesterday, loosened and tightened all the suspension bolts while it was on the ground. Then I had my wife push the body of the Jeep in the pass side from the driver's side. There's enough play in the eye of the track bar to move it a tad. Doing that gave me a difference of 1/8" to 1/4". Perhaps you could give that a try?

Otherwise, I don't see how the track bar would bidv your warranty? They would have to PROVE that the bar caused some kind of warranty issue that you were trying to get a claim on. Even that being said, you could have just reinstalled the OEM track bar before bringing it in for a claim. You're supposed to loosen it during the install process so I'm not even sure how they could confirm that you had an adjustable one or not anyway.
 

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Khsonic03

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So I actually went back to my Jeep yesterday, loosened and tightened all the suspension bolts while it was on the ground. Then I had my wife push the body of the Jeep in the pass side from the driver's side. There's enough play in the eye of the track bar to move it a tad. Doing that gave me a difference of 1/8" to 1/4". Perhaps you could give that a try?

Otherwise, I don't see how the track bar would bidv your warranty? They would have to PROVE that the bar caused some kind of warranty issue that you were trying to get a claim on. Even that being said, you could have just reinstalled the OEM track bar before bringing it in for a claim. You're supposed to loosen it during the install process so I'm not even sure how they could confirm that you had an adjustable one or not anyway.
I did the same thing when I installed mine. The rear is pretty darn close, but the front is off by over 1/2", so I'll be ordering an adjustable track bar for that. Sort of unrelated, but I noticed a lot of people having thrust angles pretty far off too.
 

RubiRob

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I did the same thing when I installed mine. The rear is pretty darn close, but the front is off by over 1/2", so I'll be ordering an adjustable track bar for that. Sort of unrelated, but I noticed a lot of people having thrust angles pretty far off too.
Yep I ended up ordering front and rear from metal cloak. It was well worth it to have everything square.
 

Khsonic03

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Yep I ended up ordering front and rear from metal cloak. It was well worth it to have everything square.
Don't want to derail this thread, but noticed you wrote a review on their site. The track bar fixed your bump steer too? I noticed that when I was installing the lift, the front axle was shifted to the drivers side and because of that, there was lateral load on the swaybar endlinks. I thought to myself - This is going to create some bump steer. Sure enough, I have it. Good to know that the track bar will help.
 

RubiRob

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Don't want to derail this thread, but noticed you wrote a review on their site. The track bar fixed your bump steer too? I noticed that when I was installing the lift, the front axle was shifted to the drivers side and because of that, there was lateral load on the swaybar endlinks. I thought to myself - This is going to create some bump steer. Sure enough, I have it. Good to know that the track bar will help.
Yes I feel that it did, until I went to 37s then it came back in the form of tire pressure and balance. Totally worth the money, however Rusty's sells good stuff too with much quicker shipment times and a better price.
 

JLscorpio31

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I'll try to put some clarity to this discussion. On a track bar or panhard bar suspension, the axle does NOT move in a linear up and down motion, it actually swings on an arc that is controlled by the track bar. The fulcrum point is where the bar mounts to the frame. In the rear the frame mount is on the passenger side. So as you lift, the axle swings out to the passenger side. It should be noted that this happens during any suspension movement too, while you are driving. As the suspension extends, the entire axle moves out to the passenger side and as it compresses, it moves towards the drivers side.

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The front axle has the same characteristics, it just moves the opposite way since the fulcrum point is on the drivers side so when the suspension extends, it moves the axle to the drivers side. Axle shift is not a cause of driveability issues.

The new rear axle in the JL already has a high track bar mount for proper roll center. On the JK's, we added a rear track bar bracket to raise the roll center which also meant that the stock track bar would still be very close to centering the axle. Raising the roll center gets it closer to the COG which reduces body roll when cornering. On the JL, there is no need for roll center correction, so no bracket is included. So now when you lift it 2" in the rear, the axle shifts about 1/2" making it stick out on the passenger side about 1" farther than the drivers side.

The same is happening in the front, just to the drivers side... On a JK it was common to be able to keep the stock rear track bar and add an adjustable front bar and you were good. On the JL, if you want to be centered (my OCD says yes, it must be fixed) on both, it will likely require adjustable track bars front and rear.

One thing that rings true on the JL, just as it has on every other Jeep, is that all Jeeps are a little different. I have already seen 3 JL's with the Mopar kit that had opposite effects. One had the rear axle out but the front was still very centered, another had the rear that looked great and the front needed correction and the last one had both out and needed both bars to correct.

The million dollar question? Why aren't they included in the lift kit? Every manufacturer builds a kit to hit a certain price point... I'd say that Mopar didn't think the extra $400 was going to look good on the price tag.
Thanks for the clarification. This probably answers after my rancho 2" sport lift, it was showing similar signs. To add, the rear driver side sway bar link is now rubbing against the inner wheel well when articulated.
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