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Old 10-25-2012, 06:34 PM   #1
Join Date: Oct 2012
Location: phoenix
Posts: 2
Question A different type of front end shake

My first post here hoping for some help. Ive searched the interwebs and found nothing.

First of all i have an 06 TJ sport with 170,000 on a 4" lift on 33x 12.5x 15

So far i've replaced the tie rod ends, Ive checked the shocks, ball joints and all of the bushings. Everything is tight. Except the upper control arms which are stock. They seem to have some play in the bushings although not much.
Ive also removed the front driveshaft.

My problem is at 15 MPH and less. the entire front end 'bounces'. Its not side to side but up and down. Its NOT death wobble. Been there fixed that. And its not the tires. Swapped the fronts and rears and it does the same thing. Ive alson noticed it doesnt seem to be the axel thats bouncing but the rest of the front end. It doesnt matter if im braking or not. Just coasting at 10 MPH and it happens.

Any Ideas?

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Old 10-25-2012, 07:33 PM   #2
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Do you have an aggressive tread tire. It could just be the lugs at that speed

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Old 10-25-2012, 07:49 PM   #3
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Location: California/Montana
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Are your shocks in good shape? I know my old tires made rattling at low speeds, but no bouncing. I would pull off a front shock and make sure it is still in working order
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Old 10-25-2012, 08:26 PM   #4
Join Date: Oct 2012
Location: phoenix
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the tires are all terrains. and i pulled the shocks and they are both still good. it feels like it may be mostly on the passenger side. i can watch the hood bounce and the majority of the movement is on that side.
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bounce , end , front , low , speed

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