[transmaro93]

those 5.9 are gas hogs and will no outlast the 4.0L... yea iv heard horror stories about that awd system (often reffered to as fulltime 4wd) the regular 4wd (referred to as part time 4wd) is normal where you choose to put it in 4wd or 2wd with a lever on the floor or maybe the newer grand cherokees have electronic selectors