Ok, I have a 2007 2dr X with a Teraflex 3" lift. I have replaced the front lower and rear upper control arms with Teraflex units. The front lowers are set to 23 1/8" and the rear uppers are set to 18 3/8", leaving the front diff at 4 degrees and the rear diff at 19 degrees. I have also replaced the front and rear trackbars with JKS units. The Jeep sits on its factory tires and wheels but the sit on 1.5" Spidertrax wheel spacers.

The problem that I am experiencing is that around 60mph when the Jeep goes over a transfer in the road, the Jeep goes into a violent shake. I immediately slow the vehicle down in a control manor until the shakes stop. I hate to call this death wobble because I know there are a few on this forum that thinks it does not occur. I like to figure out why this problem is occurring. The lift is only a few days old and I have been trying the suggestions from other threads but nothing has been working.

Hopefully with the provided pics the Jeep g-ds will send helpful advice.

 

have you checked your ball joints and tie-rods ??

 

ditch that track bar bracket and tighten the piss out of the track bars.

 

I will recheck the tie rod ends and the ball joints tomorrow but they were checked under one hundred miles ago.

I am also glad bigbluejk commented because after seeing his ride, it made my decision on this lift.

 

By the way, it feels like the shaking starts in the seat of my pants and it steers just fine but the shaking is deadly that people on the highway behind be steer way clear from me.

 

did you check your spacers and and lug nuts. i had a friend with a tj with spacers they came lose and he had a bad shake

 

How about an allignment?

 

Thanks man, I really appreciate that. The kit is every bit as nice as you expected, wasn't it?

You gotta fix that bro. Def. not safe.

I really think it is a trackbar issue. they have to be torqued to like 130lbs... I just used a breaker bar on mine and got them good and tight. Get rid of the bracket also. I bet you that will solve your issue if you bolt it straight up and make sure it is tight enough. I hope at least. Good luck man. Be careful driving that thing. congrats on the new lift... lets see the side view of the jeep.

 

The Jeep drives perfectly straight before and during the violent shakes, so I think it is alligned.

 

The lift is awesome when it is not shaking. I will get rid of the bracket in the morning and let everyone know if that changes things.