I have a 99 wrangler Sahara edition with a 4 inch lift and the new tires are properly balanced not just static balanced. Once I get to highway speed of 50-70mph there is a pulsating vibration and I can't figure out what it is. Does anyone have any suggestions or know what is causing it?
No it's not a new problem, and the tires are brand new the old worn out tires still did the same thing. The tires had a vibration because of poor balancing but I had that corrected by having correct balancing done and that vibration is gone. Could the drive shaft or it's u-joints be the cause?
Are you referring to the drive shaft from the transfer case to the front differential ?
Yes. There was about 1/4" play in the slip yoke in the front shaft which was causing my vibrations. I originally thought it was the u joints, but when pushing/pulling the main part of the shaft is when I noticed the play.
Is there a way to fix that or do you need a whole new drive shaft
I haven't looked into a driveline shop to get it rebuilt, but heard it would be about $200-$250 or so. I found a site that sells new Adams driveshafts for $240, upgrading to non-greasable spicer joints for another $40. Compared to everything else I have found, thats about half the cost.
would i be able to tell by just wiggling the drive shaft around? we just had to get my buddys rebuilt but the ball joint was completely torn apart. would you be able to tell by just moving it or would you have to remove it
That link didn't really help me much, all my shafts are still tight and all my bushings are still in good shape. The vibration isn't in the steering wheel you can feel it vibrate through the body from somewhere in the rear end