Yes, you MUST remove the starter- it bolts thru the dustshield on the back of the engine block, and into the trans bellhousing.
Ryan
oh yeah, i forgot about that one...... yeah i was trying to get my truck all apart to drop the tranny a coupel weeks ago... and was liek crap.... so istarted feelign all around the outside of the case... and was like hmmmm.... there are holes here and i didnt remove bolts.... sure enough the bolts came through from the starterside......