Join Date: Dec 2001
Location: Quebec City, Quebec, Canada
I got exactly the same thing at around 100km/h (60 mph), but goes away at 110 km/h...
When you lift your truck, you change the angles of your driving shafts which have not been designed to work at such high angles. What you hear is simply a little vibration and it is normal after a lift. It may settle after a while, but if you want to get rid of it, you will probably need a SYE (Slip Yoke Eleminator) and a new drive shaft...
What is scary is DW (death Wobble). This occurs while driving over little bumps on the road, the steering starts to rattle and shake like hell. The only way to stop this is to slow down...
To solve DW on my truck, I simply replaced the cheap Good Year Wranglers marked "economical" in their book to better tires. When I put these tires back on my truck, DW starts over again. This is not the case with my 31" Yokohamas or my 225 winter radials.
96 XJ Sport having the 6 cyl engine as the ONLY factory option
4" custom lift, 31" Yokohama Geolandar A/T + II, Quick disconnects, no rear sway bar