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Old 04-23-2018, 12:42 PM
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New used jk

Just bought a 2015 Rubicon that's has upgrades like lift kit, suspension etc but not sure what has been done if anything to the steering components, was wondering if I posted pics on here if someone was able to tell me what is stock or been upgraded and suggest upgrades if any needed. Will not be rock crawling but will be overlanding on trails that could be very challenging and not into looks just performance. Ty.

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Old 04-23-2018, 01:04 PM   #2
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Post them up and I am sure people will chime in to help you out.

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Old 04-23-2018, 01:58 PM
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Sorry about the pics I know they are not the best I can try to get better ones later, the last pic needs to be replaced, any upgrade suggestions? (besides the differential cover)
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Old 04-23-2018, 03:48 PM   #4
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Looks stock. I think your sway bar link is on the wrong side of the axel mount in the last pic which is why it is kicked over to the side like it is.

How tall is your lift and how big are your tires? How does the steering feel as-is?
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Old 04-23-2018, 05:45 PM
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Haven't measured yet but think it's a 4" lift and has 35's on it now, the driving on highway and off road and on is great but on a leaning road with bumps can get a little death wobble so thinking of fixing the sway bar and adding steering stabilizer, would like opinions though.
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Old 04-23-2018, 06:24 PM
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It has the 4" Mopar lift kit that came with the Fox 2.0 reservoir shocks with the Teraflex speed bumps and the 35" bf Goodwrench AT KO2 tires if that helps any. Think has been regeared but until I can put it on stands I can't be sure.
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Old 04-23-2018, 09:17 PM   #7
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Do you happen to mean bump steer instead of death wobble? DW usually happens at highway speeds. Is it just the just the steering wheel rocking back and forth with the bumps or is the Jeep violently shaking?

If it is a 4" lift, does it have adjustable control arms?

Do you have a track bar relocation bracket? If you do, do you have a drag link flip kit installed to keep the track bar and drag link parallel?
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Old 04-23-2018, 11:20 PM
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It has only happened once but it was around 35-40 mph and was definitely a death wobble till I stopped then it was fine ever since, I have been over the same spot and only had the bump steer since then but was going a little slower, but i do know that if I was going faster it would have happened again, just didn't want to push it till I had the link fixed (didn't want it shaking so bad it made
it break).
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Old 04-23-2018, 11:30 PM
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It has non adjustable mopar control arms and to me looks stock as far as the relocation bracket etc. But idk to be honest I'm new to Jeep's and 4x4 systems and know almost nothing of what they did before I bought it accept the obvious and that's why I wanted others to look to see if they took short cut s and what I needed to do to make it better.
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Old 04-23-2018, 11:51 PM
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Would you suggest adding those and if so is it something I can do myself? Would like to do as much myself as possible simply for the knowledge of doing repairs later if need be but if it's something that is too hard or puts us or our Jeep in danger then I will let shop do it.
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Old 04-24-2018, 09:47 AM   #11
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Well if you are sure its DW then there are tons of great videos, write ups and information about how to start trouble shooting it. Probably better than I could describe. Essentially start looking for loose steering and suspension bolts first. Use a torque wrench and start torqueing everything down to spec while looking for worn joints and bushings. Pay close attention to the track bar on that. If you do have a stock track bar mounted to the stock mount on the axel that's not good for a 4" lift. Your axel has to be way off center without those and you will need both (track bar bracket and adjustable track bar). Probably in the rear too. And you will need a drag link flip kit so the draglink and track bar stay parallel.

A 4" lift without adjustable control arms would be tough to get into alignment but maybe the Mopar kit addresses this another way that I am not familiar with (like the AEV kit uses Geo brackets for example). Maybe someone with a little more knowledge about this lift will provide some insight here.

If the kit does not address some way of getting the Jeep back in alignment with brackets I would add adjustable control arms, your ride will improve dramatically. I would watch a few Youtube videos about installation and how to determine the correct length and see how confident you feel about doing it yourself. There may also be Jeepers in your area who would be willing to lend a hand.
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Old 04-24-2018, 10:16 AM   #12
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as noted fix the sway bar link to the inside.. coil appears to be off center in the photo if not fixed with sway link, look at other things.. or maybe just odd photo angle. make sure the track bar is at 120 ft-lbf(i think that is the setting). I would also check all the bolts for proper spec's.
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Old 04-24-2018, 02:09 PM
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Thank you guys for the help, I will fix the link and study up on the Mopar kit and if it didn't address everything will order the control arms and track bar relocation and flip kit. Tightened everything and the only bushings that looked worn out was the link bushings, the only prob now (time wise) is having to order everything and doing it myself because it seems the 4x4 and jeep places where I live only does cosmetic upgrades for mall crawlers 😫. But in the end I will have a better understanding of the system and how to repair it in the future.
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Old 04-24-2018, 02:20 PM   #14
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Come on back if you don't find the source of the problem. MANY people have tried everything to diagnose and fix death wobble and it still persists. I've even read unevenly worn, out of round or cupped tires can contribute to it.
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Old 04-24-2018, 02:47 PM
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Ty I will, and after I do the upgrade and have tires and truck balanced an aligned I will hit that road at speed this time and share the results.
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Old 04-24-2018, 03:47 PM   #16
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Good deal. If you can get a copy of the alignment sheet that would be good. I am not an alignment wiz but many here can look at it and tell you what you need based on the reading on it.

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