I’m swapping an engine in my traverse, the donor engine has a AWD trans and transfercase on it. Could I install this as is without the rear driveshaft in my FWD?
Should be no problem if it's only an engine exchange. The transmission can be used, too, if you remove the transfer case. You'll need to do little in terms of modification to the transmission in order to fit the right-side axle and axle seal for an FWD vehicle.