Question for everyone.

What can cause a very bad vibration at 35MPH? It wont go away at any speed unless I let off the gas. I am going to swap all the u-joints(axles and drive shafts) What else should I be looking for and checking on? I also have brake chatter when I hit the brakes hard. I am going to check that out when I replace the u-joints.

Any thoughts would be greatly appreciated.

90, 4.0, vacuum disconnect, 3 inch lift, transfer case lowering kit, Brown dog motor mounts poly not rubber. I am going to be changing the poly to rubber this weekend. I think that's all the info that should be needed.

Thanks guy's

Oh and where would you recommend I pick up the u-joints? Where have you seen the best pricing?

Just started? Been wheeling? Check for mud caked up in the back of the wheels or weights that have been knocked off.

Where is the vibration felt the most--your butt or the steering wheel?

No wheeling and as far as I can tell no missing weights.

I feel it most in the steering wheel.

Check to see if your trackbar has loosened up at both ends and check the bushings on it. Also, if you truely get stumped, pay for an alignment.

Yeah, start with a full visual inspection of the steering/suspension. Have a second pair of hands move the steering wheel left/right slowly while you lay under the front end with a bright spotlight and observe the components for odd movements.

Will do thanks Guys.

I had rocks and ice packed into the rim and frozen solid from parking in a snow bank - it threw off the balance and gave me a bad shake at that speed. I used a power washer to break it up and clean out the ice and gunk.

Don't know if this is applicable to where you live, but that was my issue with those symptoms.

Thanks I will make sure to check for stuff packed in the wheels.