jmducha

Guys, I've read dozens of threads on BS and DW and just need specific advice about my setup. I don't have the skill set to determine exactly what I need but I have spent almost $4,000 on components and labor and it has not improved at all, possibly worse than before.

Here are some of my specs that I have had for years and it rode fantastic:
- 4" TF lift with all front components also TF
- 37" Cooper STTs, new

Going down the highway one day I had extreme DW and took it to the shop, they replaced the following:
- Ball joints
- New TF track bar

This didn't completely fix it, moved from Texas to Miami and 4 Wheel Parts said steering box had play in it.
- New AGR JKX Steering Box, no change
- New 37" Cooper STTs, no change
- Alignment, no change

Here are my symptoms:
- Vibration in steering wheel while driving
- Extreme bump steer, any speed and bump
- More difficult to turn right when compared to turning left

Here are my thoughts:
- Another alignment???
- Re balance tires???
- Drag link in the incorrect position???

Please take a look at my pics and see if you can spot anything that doesn't look right. I appreciate any and all help, I'm the proud owner of three Jeeps and my old CJ7 on 37's drives like a dream compared to my JKU that once drove like a Grand Cherokee (minus the power).

jmducha

Just watched both videos, excellent learning experience. Wish I had seen them several months ago. I am now going outside to do the checklist. Thanks and I'll post what I find.

mighty-banana

May I ask where the videos are posted

Bccooter

In the pic it looks like the track bar is connected to where the drag link should be they look crossed in the pic ??? Drag link should be connected to pitmen arm and down to the r side steering knuckle. Track bar mounted to driver side frame to passenger side axle . Also i had bump steer on my jk and my fix was i raised my track bar and used my stock track bar , i have a 3.5 rubicon express lift on my 4 door 09 JK. hope this might help .

jmducha

Just click on Planman's name and go to his posts, you will see them at the top. They are worth watching.

jmducha

Went through Planman's videos and here are my findings.

1. Drivers's side tire goes up and down about 1/16" inch while using a pry bar under it. Ball joint issue.
2. Drag link moves erratically while doing the turning test. Need new tie rod ends for it. Also goes up and down when using the plier test. Can feel a definite thud while turning if holding the drag link.
3. Tie rod also moves up and down while doing plier test.

Everything else appears okay, track bar has little movement. Possibly just from turning the big tires while parked.

Everyone who is not knowledgeable about steering components and trouble shooting should view these videos!!! Awesome job Planman.

Now planning to purchase new BJs from *******, new drag links and possibly the new tie rod.

Pushrod

I know what death wobble is as I experienced it with an older model Chevy pickup, but could someone explain Bump Steer to me? I am guessing that bump steer requires steering correction after dip or hump but would like to know for sure.

Pushrod

Thanks, that's a good technical explanation.