Re: 4WD "bumping" problem
Sounds like the front end binding up. This is common (and normal) in 4wd, you should NOT BE in 4wd on dry pavement or any time the wheels can't slip. Caused by differing speeds of the inside and outside wheels when you turn.
'05 Sport Trac 4x4, L/S, torsion lift, extended shackles, 265's
'03 Taurus wagon, Silverstars, Yoko TRZ's
If you give a man a fish, he'll eat for a day. If you teach a man to fish, he'll sit in a boat and drink beer all day.