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Old 03-17-2012, 02:36 PM   #1
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2012 jeep rubicon lift kit help

I have recently had a rubicon express 3.5 lift installed on my jeep and now it feels like I am getting a little bump steer and it feels like the steering makes the jk feel more top heavy. I have read a lot of threads and still can't find a good answer.

I want to install a track bar bracket to raise my adjustable track bar up to get the drag link and the track bar more parallel to each other right now it looks like the trac bar angle is more than the drag bar but from all the forums I have searched it says you must install a flip drag link kit when installing a track bar bracket is this 100 percent true? The next problem is that it looks like my adjustable track bar is not going to fit with a track bar bracket it looks like I need a shorter track bar for it to fit in a new bracket beacuse my track bar is adjusted all the way in right now. I have attached a picture of the track bar out of adjustment and some showing the track bar and drag not being parallel.
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Old 03-17-2012, 02:43 PM   #2
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Jeep aligned properly?

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Old 03-17-2012, 02:43 PM   #3
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Yes I purchase the super flex kit
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Old 03-17-2012, 02:45 PM   #4
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That's good but, is it aligned right?
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Old 03-17-2012, 02:45 PM   #5
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Yes it is alignment had been done and checked again I have the print and can post a picture of it if it would help
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Old 03-17-2012, 02:51 PM   #6
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Quote:
Originally Posted by Davidryan1987
Yes it is alignment had been done and checked again I have the print and can post a picture of it if it would help
I would.
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Old 03-17-2012, 03:02 PM   #7
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Here they are
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Old 03-17-2012, 03:14 PM   #8
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Quote:
Originally Posted by Davidryan1987 View Post
Here they are
lol, are you taking pictures while driving? be safe out there.
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Old 03-17-2012, 03:24 PM   #9
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Quote:
Originally Posted by Davidryan1987
Here they are
Might want to look into getting your caster up some (6-7 degrees)

3.7-4.7 is stock and lifting the jeep brings that Number down.

Without the alignment shop knowing-they will set to stock specs
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Old 03-17-2012, 03:28 PM   #10
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I let the girlfriend drive this one time.

4 wheel parts did the alignment. I will check into this thanks
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Old 03-17-2012, 03:32 PM   #11
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caster should be ok from 5-7 degrees.

typically, with 35 inch tall tires, you want to have 1/8" or .125" of toe in in order for the jeep to feel right.

you also want your adjustable trackbar to be on the axle side and NOT the frame side...

looks like who ever installed your lift wasnt paying attention...

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Old 03-17-2012, 03:34 PM   #12
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and yes. when you go more then 3.5"+ of lift you generally want to have a drag link flip kit installed...

most drag link flip kits come with a track bar bracket.

and yes, you want to raise your trackbar up 3" when you flip your draglink or your steerign will be worse.......


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Old 03-17-2012, 03:35 PM   #13
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Quote:
Originally Posted by pluke the 2
caster should be ok from 5-7 degrees.

typically, with 35 inch tall tires, you want to have 1/8" or .125" of toe in in order for the jeep to feel right.

you also want your trackbar adjustable not on the axle side and not the frame side...

looks like who ever installed your lift wasnt paying attention...
^ there you go

Read this grab your tools and go to town.

http://project-jk.com/jeep-jk-write-...-end-alignment
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Old 03-17-2012, 03:39 PM   #14
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The JKS trac bar has the ajdustments on the frame side.


Bob K.
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Old 03-17-2012, 03:40 PM   #15
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Quote:
Originally Posted by nwbronco
The JKS trac bar has the ajdustments on the frame side.

Bob K.
There would be only one way to install because of the curve to clear the diff, Right?
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Old 03-17-2012, 03:41 PM   #16
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Quote:
Originally Posted by nwbronco View Post
The JKS trac bar has the ajdustments on the frame side.


Bob K.

dont listen to this guy.

JKS Manufacturing: Trackbar Components
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Old 03-17-2012, 03:42 PM   #17
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and the OP doesnt even had a JKS trackbar.

he needs to have the adjustable nut on the AXLE SIDE.
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Old 03-17-2012, 03:42 PM   #18
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Quote:
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There would be only one way to install because of the curve to clear the diff, Right?

no. the curve can go both ways.
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Old 03-17-2012, 03:47 PM   #19
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Printing out the JKS instructions now. Give me a sec. Adjustment at frame side. And as mentioned, it's about the curve for the diff and the parallel with the drag link.


Bob K.
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Old 03-17-2012, 03:47 PM   #20
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ok heres the instructons on the front track bar.

Front Track bar

A. Set the track bar at an initial setting of 32 7/8”. Loosely install the bushing end of the track bar into the axle mounting bracket
reusing the factory bolt and nut.

B. Using the factory bolt and supplied misalignment sleeves install the rod end into the factory track bar mount at the frame. Do not
fully tighten the track bar at this time, the axle center needs to be checked after completion of the entire system and the vehicle
is on the ground. The bend on the track bar will be with the elbow up to clear the front differential cover.


http://www.rubiconexpress.com/Images...142/RE7142.pdf
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Old 03-17-2012, 03:48 PM   #21
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Printing out the JKS instructions now. Give me a sec. Adjustment at frame side.

Bob K.
he doesnt have a JKS trackbar.
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Old 03-17-2012, 03:49 PM   #22
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It seems to me the curve is there to get clearance on the diff?

I wonder y my track bar is so short I have no adjustment to install a track bar bracket.
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Old 03-17-2012, 03:51 PM   #23
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Quote:
Originally Posted by pluke the 2

no. the curve can go both ways.
If its mounted the wrong way the curve would be right of the diff?
It's not centered

New TERAFLEX TB.
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Old 03-17-2012, 03:52 PM   #24
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Quote:
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It seems to me the curve is there to get clearance on the diff?

I wonder y my track bar is so short I have no adjustment to install a track bar bracket.
your track bar is adjustable. its installed on the right side.

you typically dont want to lengthen the trackbar unless your axle is off centered.

so you dont need to worry about how short it looks.

when you a get a track bar bracket, you're only moving your trackbar up 3" not making it shorter or longer.

your simply raising it...
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Old 03-17-2012, 03:53 PM   #25
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If its mounted the wrong way the curve would be right of the diff?
It's not centered

New TERAFLEX TB.
if im not mistaken, that looks like a draglink
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Old 03-17-2012, 03:55 PM   #26
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Quote:
Originally Posted by pluke the 2

your track bar is adjustable. its installed on the right side.

you typically dont want to lengthen the trackbar unless your axle is off centered.

so you dont need to worry about how short it looks.

when you a get a track bar bracket, you're only moving your trackbar up 3" not making it shorter or longer.

your simply raising it...
Parallel to the drag link
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Old 03-17-2012, 03:55 PM   #27
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Rubicon Express says: "Using the stock track bar bolt, install the bushing end into the axle mount. Attach the heim joint end of the track bar to the factory frame mount using the supplied misalignment spacers and the factory bolt. The bend on the track bar will be with the elbow up to clear the front differential cover."

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Old 03-17-2012, 03:55 PM   #28
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and the OP doesnt even had a JKS trackbar.

he needs to have the adjustable nut on the AXLE SIDE.

My JKS is the same color. Looks the same as mine.

Bob K.
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Old 03-17-2012, 03:56 PM   #29
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ah interesting. its not adjustable and its shaped pretty strangle. alot more curved then mine!

that is interesting. that looks like it can only work one way, lol opps
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Old 03-17-2012, 03:58 PM   #30
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If its mounted the wrong way the curve would be right of the diff?
It's not centered

New TERAFLEX TB.

That's a drag link, sir.

Bob K.

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