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Old 12-15-2013, 12:47 PM   #1
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Thumbs down Wobbles After Moderate Bumps

Help!!! On smooth surfaces, no wobble throughout. After hitting railroad crossings, again, no wobble. AFTER hitting cereal bowl sized bumps and dips, WOBBLE! I checked the steering dampener, and it's fine. However, the long bar that it's attached to (are they the lower ball joints?) moves freely forwards and backwards with a slight grip of the hand. I have an '08, 4" lift, 35" toyos, and in June had new upper and lower ball joints installed and have driven it about 10,000 miles since.
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Old 12-15-2013, 12:55 PM   #2
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What exactly is wobbling? Do you feel the wobbles through your steering wheel?

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Old 12-15-2013, 01:03 PM   #3
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Assuming you mean the tie rod. Something is worn or you have bumpsteer from 4" of lift.

The tie rod and drag link are supposed to pivot because of the rod ends. Now if there's "slop" or up and down play, the joint of worn.
The drag link where it attaches to the passenger knuckle is known to wear out first.

Use a set of channel locks that are big enough to grip the too and bottom of joint. Squeeze and look for play.

If all your tres check out ok, move on to the track bar.
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Old 12-15-2013, 01:05 PM   #4
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Forgot

Have somebody turn the wheel 9-3. Look and feel for any play in the steering or track bar.

Like this
http://youtu.be/hb6mrtqw2Ws
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Old 12-15-2013, 01:34 PM   #5
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balljoints.
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Old 12-15-2013, 01:47 PM   #6
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Quote:
Originally Posted by Tweak View Post
balljoints.
" in June had new upper and lower ball joints installed and have driven it about 10,000 miles since"

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Old 12-15-2013, 01:49 PM   #7
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Quote:
Originally Posted by kjeeper10 View Post
" in June had new upper and lower ball joints installed and have driven it about 10,000 miles since"

since he thinks the ball joints are on his tie rods, maybee he didnt have them replaced after all...
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Old 12-15-2013, 02:48 PM   #8
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OP, there is some confusion about your nomenclature. Take look at this image and tell us what you inspected and replaced:

JK Parts Labeled
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Old 12-15-2013, 04:06 PM   #9
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Quote:
Originally Posted by kjeeper10 View Post
" in June had new upper and lower ball joints installed and have driven it about 10,000 miles since"

what would we do without you

if they were OEM my statement still stands.
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Old 12-15-2013, 04:11 PM   #10
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Quote:
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what would we do without you if they were OEM my statement still stands.

Looks like we need some more info
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Old 12-15-2013, 04:35 PM   #11
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Boy, do I feel like a dip stick. The front end wobbles and it tranfers to the steering wheel. The tie rod ends look ok, but the knuckle on the ends of the trackbar look very worn as the rubber boot on them is split and crushed. It easily moves front and back easily, but I don't feel any slop, up and down movement.
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Old 12-15-2013, 04:47 PM   #12
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Quote:
Originally Posted by ETeacher44 View Post
Boy, do I feel like a dip stick. The front end wobbles and it tranfers to the steering wheel. The tie rod ends look ok, but the knuckle on the ends of the trackbar look very worn as the rubber boot on them is split and crushed. It easily moves front and back easily, but I don't feel any slop, up and down movement.

Drag link ?
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Old 12-16-2013, 07:41 AM   #13
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Don't forget to check your tire pressure. They put 85 psi in mine and gave me a mad case of bump steer. 85?? What? Took it down to 32 and drove just fine.
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Old 12-16-2013, 10:51 PM   #14
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I'm sure the air pressure in the tires is borderline. On a warm day, 70 degrees and more, the tire pressure light stays off. On cold mornings...it lights up. I'll put a few pounds in those 35's and see what happens. Thanks everyone. I appreciate everybody's input.
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Old 12-17-2013, 03:29 AM   #15
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Make sure you are not missing any balance weights on you tires too. Hitting a pot hole with a tire out of balance will give same results.
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Old 12-17-2013, 08:45 AM   #16
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I've always thought having bumps transfer feedback all the way to the steering wheel was a good thing because it shows there are no worn down areas, or slop, in your steering components. once you start hitting those same bumps in 10K miles and no longer feel it in your steering wheel - uh oh.
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Old 12-17-2013, 11:40 AM   #17
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I had wobbly handling over street bumps recently -- It handled fine on the freeway, just acting up on some city streets, not all.

It ended up being a bad heim joint.
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Old 12-17-2013, 05:47 PM   #18
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Quote:
Originally Posted by legitposter View Post
I've always thought having bumps transfer feedback all the way to the steering wheel was a good thing because it shows there are no worn down areas, or slop, in your steering components. once you start hitting those same bumps in 10K miles and no longer feel it in your steering wheel - uh oh.
This would be the first

The jk stock especially the Rubicon with mud tires. Add bigger tires/lift .. Unless you start upgrading parts, it's just going to get worse. 2 doors tend to be more finicky with less wheelbase.
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Old 12-18-2013, 01:32 PM   #19
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Quote:
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I had wobbly handling over street bumps recently -- It handled fine on the freeway, just acting up on some city streets, not all.

It ended up being a bad heim joint.
Just got a call from the shop (JPI in CA), add ball joints to my list.

So I got the Snergy ball joints. At least that was one of the last things on the list to move to 37's.
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Old 12-18-2013, 02:48 PM   #20
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Quote:
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Just got a call from the shop (JPI in CA), add ball joints to my list. So I got the Snergy ball joints. At least that was one of the last things on the list to move to 37's.
Good choice !!

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