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Unread 07-05-2009, 12:00 PM   #1
scott050
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1991 XJ Cherokee 
 
Join Date: Apr 2009
Location: sherwood park
Posts: 37
death shimmy

I have a 91 cherokee with a home made lift
v8 coils and shocks from a grand cherokee
rear leafs from a dakota and shocks
235/70/r15 tires
no sway bars front or rear

Here is my problem ...

I can drive down the road just fine but when Im on a dirt road and hit some wash board around 70+ km the front shimmies like it is going to fall off untill I slow down and almost stop. If I keep it under 60ish km it does not happen..

Any ideas ??

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Unread 07-05-2009, 12:01 PM   #2
keaton
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2003 TJ Wrangler 
 
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Sounds like death wobble. Id crawl underneath and check that everything is tight. Tie rod, trac bar, control arms etc. I was gettin horrible DW[death wobble] at 30+ mph cause my tie rod end was loose.
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Unread 07-05-2009, 12:04 PM   #3
scott050
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I will try that for sure... and let you know ... thanks
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Unread 07-05-2009, 12:33 PM   #4
scott050
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I checked all the parts in the front and they are tight to spec. It might be the rear cause of the stronger leafs maybe. It never did that before I put them on..
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Unread 07-05-2009, 12:54 PM   #5
keaton
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Im not positive on this, but i dont think its be coming from the rear. I mean check the leaf spring and shackle bolts and everything anyways but usually death wobble originates from the front end. Due to thats where all the steering is.
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Unread 07-05-2009, 01:01 PM   #6
viper719
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1993 YJ Wrangler 
 
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Check your steering box bolts, if they are even the tiniest bit loose, on a lifted system, they can cause some shimmy.... Also, you said youre not running sway bars on the front, at 70, a set of sway bars would probably help you out with the shimmy issue...Make a set of quick discos, and run with them on and see if that fixes your problems.
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Some obstacles can not be moved, those you have to either- 1)go around, 2)go over 3)go under, or 4) my personal favorite, blow the heck up and go through the rubble!
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Unread 07-05-2009, 01:05 PM   #7
scott050
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How would I make a set of disco's ?
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Unread 07-05-2009, 02:09 PM   #8
ajxj9197
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http://www.jeepforum.com/forum/showt...+wobble&page=2
lots of good info on the death wobble in that thread. Look at the second page and sierra drifters post. He posted alot of possibilities that could be causing your death wobble such as balanced tires, track bar, alignment, tie rod ends, etc. searching yields lots of information.
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Unread 07-05-2009, 02:11 PM   #9
viper719
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1993 YJ Wrangler 
 
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Best way is to go to lowes, by a set of grade eight cotter pin bolts (its a 4 inch long bolt, no threads, with holes drilled in it for cotter pins) I'll look and see if i can find the write up for it, and they only cost like 8 dollars for two of them.
Found the write up, we run the setups on a couple jeeps I wheel with with great results.
http://4x4xplor.com/homediscos.html
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Some obstacles can not be moved, those you have to either- 1)go around, 2)go over 3)go under, or 4) my personal favorite, blow the heck up and go through the rubble!
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Unread 07-05-2009, 03:12 PM   #10
scott050
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thanks guys
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Unread 07-05-2009, 04:25 PM   #11
viper719
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1993 YJ Wrangler 
 
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hey anytime. If you do the homemade discos, make sure you keep an eye on them (check them whenever you work underneath the vehicle) just to be on the safe side, Ive been running them for about a year and a half with no issues on a wrangler, and my partner in crime has been using them for almost two years with no problems. Plus keep a spare set in your glove box, in case you loose one after you remove it on the trail.
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Some obstacles can not be moved, those you have to either- 1)go around, 2)go over 3)go under, or 4) my personal favorite, blow the heck up and go through the rubble!
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