It's on the passenger side, under the glove compartment. Remove the carpeted knee bolster (screws) then the plastic cover underneath; then under (well, actually above) that you will see the black plastic blower housing and it should be obvious how to remove it.
I threw away a good motor from my car, thinking the bearings were stiff; the new one was just as stiff, and the price was a little stiff also, as I recall.