ok, sometimes if the u-joints are out of phase or if the t-case angle is different than the pinion angle, it will vibrate. check those.

most obvious though is tire balance.


95 Sportage w/welded and 5.89 geared dana 44's on 38.5" TSL's.- SADLY SOLD
CURRENTLY - 2000 sportage, 5.38 gears, welded diffs, 35" tires, 5.5" lift

http://www.cardomain.com/ride/341410