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Unread 11-20-2013, 12:17 AM   #1
Modstock
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Balljoints

Does my 99 come with adjustable balljoints. I seem to have a camber problem. My front tires are wearing on the outside. Running stock wheels with 31's .
Im also wondering if its the LCA's I have with this 3"rc lift and the castor is the casue of this wear.
My BFG at's have about 22,000 miles on em' and they seem to be wearing fast . Rears are fine and seem to be wearing like normal .

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Unread 11-20-2013, 09:04 AM   #2
cory4um
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How often do you rotate your tires? Because it sounds like you never did and it's why your tires are eating away..

Ball joints are not adjustable. Unless adjustable ones were installed.

Do a search on how to do a driveway alignment.
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Unread 11-20-2013, 12:52 PM   #3
psychoteen101
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Have you put the jeep on an alignment rack to see what measurements are actually off?
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Unread 11-21-2013, 03:04 PM   #4
sAe23
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Quote:
Originally Posted by Modstock View Post
Does my 99 come with adjustable balljoints. I seem to have a camber problem. My front tires are wearing on the outside. Running stock wheels with 31's .
Im also wondering if its the LCA's I have with this 3"rc lift and the castor is the casue of this wear.
My BFG at's have about 22,000 miles on em' and they seem to be wearing fast . Rears are fine and seem to be wearing like normal .
Caster *shouldn't* cause wear. Do you KNOW what your alignment settings are??
A 3" lift technically needs a LCA that is .25" longer, but many kits are sold w/o new arms.
How many miles are you expecting to get from these tires, and Have You Been Rotating Them??
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Unread 11-21-2013, 05:40 PM   #5
chris87xj
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Sounds like your LCAs may be a little too long.
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Unread 11-21-2013, 06:27 PM   #6
Muddblood
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Longer or shorter LCA's? Conflicting info here.
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Unread 11-21-2013, 06:38 PM   #7
chris87xj
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What LCAs do you have, stock or RC?
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Unread 11-22-2013, 11:17 AM   #8
Muddblood
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Originally Posted by chris87xj View Post
What LCAs do you have, stock or RC?
Me personally, my lift kit came with new LCA's. Not sure about Modstock's. Oh wait...I misread/misunderstood the 2 comments. Sooo...ummmm....nevermind.

But anyway, I don't see a castor problem causing tire wear on the outside of the tires. Being as this is a solid axle, if it were way out, the wear, if any, would be diagonally across the tires I would think. They DO make camber correcting ball joints for the XJ, but you need to see 1) IF the camber IS out and 2) how far, and I guess 3) if it is positive or negative. Seeing as the tire wear is on the OUTSIDE, I'd say it is positive camber. Do LCA's affect camber at all?

I am really interested in this thread because I JUST did a lift and brand new tires and I am concerned that MY tires will start wearing uneven. Guess I hijacked this thread...sorry Modstock.
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Unread 11-22-2013, 02:06 PM   #9
psychoteen101
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LCA's do not affect camber.

If the wear is on the outside of the tires, it would be positive camber.

Im guessing his issue is going to end up being a toe adjustment, not camber. Camber would have to be out a lot for the tires to wear that fast. But if the toe adjustment is out enough, it will cause a "scrubbing" wear on the outside of the tires which may look like camber wear to the untrained eye. The first thing that needs to be done is the jeep needs to go up on alignment rack to be checked and adjusted. Modifying the suspension height of any vehicle will throw the alignment off, therefor it needs to be adjusted. The sooner the better.
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Unread 11-22-2013, 02:57 PM   #10
Muddblood
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Quote:
Originally Posted by psychoteen101 View Post
LCA's do not affect camber.

If the wear is on the outside of the tires, it would be positive camber.

Im guessing his issue is going to end up being a toe adjustment, not camber. Camber would have to be out a lot for the tires to wear that fast. But if the toe adjustment is out enough, it will cause a "scrubbing" wear on the outside of the tires which may look like camber wear to the untrained eye. The first thing that needs to be done is the jeep needs to go up on alignment rack to be checked and adjusted. Modifying the suspension height of any vehicle will throw the alignment off, therefor it needs to be adjusted. The sooner the better.
I agree. My steering wheel is 90 degrees off since my lift, indicating an alignment issue. Gonna research the driveway alignment (although I have a pretty good idea of how to do it anyway)...just need to wait for warmer temps and less snow on the ground (like 0).
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Unread 11-22-2013, 05:16 PM   #11
chris87xj
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Quote:
Originally Posted by Muddblood View Post
I agree. My steering wheel is 90 degrees off since my lift, indicating a drag link adjustment is needed.
fify
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Unread 11-22-2013, 06:28 PM   #12
Muddblood
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Originally Posted by chris87xj View Post
fify
Drag link adjustment??
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Unread 11-22-2013, 07:19 PM   #13
chris87xj
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Quote:
Originally Posted by Muddblood View Post
Drag link adjustment??



Unlock the steering wheel and straighten the tires.
Loosen the two bolts (15mm?) on the drag link adjuster sleeve just to the right of the drag link arrow in the pic.
Rotate the sleeve until the steering wheel is centered then retighten the bolts. Use lots of PB blaster on the threads.
Test drive and repeat if needed for fine tuning.
Don't disconnect the drag link and freespin the steering wheel tho, cause that would jackup the clockspring.
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Unread 11-22-2013, 08:48 PM   #14
longtro
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Quote:
Originally Posted by chris87xj View Post


.
internet Win!!
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Unread 11-23-2013, 04:22 AM   #15
psychoteen101
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Drag link adjustment will fix the steering wheel only. If the toe is off, the tires are still gonna wear.
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