control arm bolt sheared 50 miles into nevada desert - Jeep Wrangler Forum
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Old 11-25-2008, 06:56 PM   #1
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control arm bolt sheared 50 miles into nevada desert

hello all, Ive got a 03 TJ sport with a 4" Rock Krawler 4 link short arm suspension, rancho 9000 shocks, 33" mt toyos. I was far out into Dixie Valley, a remote desert and mountainous nevadan area, wheeling along when I had a sharp turn to the left and stopped in a hurry. Hopping out I found what the problem was immediately, my front left control arm was hanging in the dirt and the whole front axle was canted backwards! Obviously this was a bad situation because I was out of cell reception and a tow truck would have a hard time getting to me anyway. I figured I would throw it in reverse and back up till i could straighten the axle out a bit and lift the control arm up to the bracket. The bolt that was there was sheared and finding another bolt long enough proved difficult. I still had my stock jack and bars! I bent the bar and wedged it into where the bolt should be. I thank my lucky stars that bar held in there while driving back to town at highway speeds.

Has anyone had any problems with the Rock Krawler suspensions? I've noticed all of my control arms were getting loose. This time it caught up with me.

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Old 11-25-2008, 07:19 PM   #2
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Haven't heard of that problem but that was pretty smart thinking on your part to use the jack handle to hold it for the drive to town. I carry a big box of extra hardware for that reason, it's primarily made up of older hardware with a lot of various sizes of bolts & nuts in the box. But again, that was good thinking on your part!

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Old 11-25-2008, 09:57 PM   #3
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Haven't heard of that before... was it a supplied bolt or factory? I regularly check mine, even more often right after my RE lift was installed. I actually had one bolt loosen up on the way out of a trail on it's first break in.
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Old 11-25-2008, 11:04 PM   #4
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i've heard of control arms getting loose in general. There was a thread about it like a year back. The guy said locktite didnt help. Its not a RK problem, its universal. From memory the guy ended up fixing it with a normal nut on the bottom and a "locking nut" or whatever you call it on top to prevent it from getting loose.

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Old 11-25-2008, 11:39 PM   #5
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Its not rock krawlers fault that was a factory control arm bolt unless you changed it
if it was loose then thats why it sheard off the movement of the control arm and a loose bolt will cause it kinda like not tighting your wheel lug nuts they will work there way loose untill you lose a tire and normaly it takes out a couple of wheel studs with it
I've had some cars come into the shop for repair because someone didnt tighten the lug nuts on a tire

you should checked all the suspention bolts every couple of runs

mine never come loose and are allways tight when I check them but for peice of mind I check all my control arm bolts at least once a month it takes 10min.
and a torq wrench
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Old 11-26-2008, 11:47 AM   #6
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I have had the lower control arm bolts come loose which created a popping sound when hitting a bump or turning and I have a similar lift. never heard of one shearing off, (they are some pretty stout bolts), I'm wondering if yours was loose and it didnt get caught therefore it wore down slopping around in the slot on the axle. Also you might want to check the jam-nuts on all your control arms, they will loosen as well loctite or not.

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