And once the new monkey pee'ers are in place, they can be aimed by sticking a needle in the hole and pivot the ball nozzle to more suit your needs.
Oh, and once the trim and panel are off, you'll be wanting some bits of thin sheet metal to slip under the little clips you'll find embedded in the rubber along the bottom of the windscreen.
The panel goes under it and the trim goes under another part of it to lock everything in place and the bits of sheet metal act as so many shoehorns, 'cuase you'll never get them all in the right place without some sort of mechanical aid.
There's threads w/pix about doing it around here somewhere.
EDIT:
This post by ossodiseppia shows one of the clips quite clearly and describes how the cowl panel and lower widshield trim fit into them.
There are like 10 in there, and the shims/shoe horns help keep everything lined up til the cowl is fully seated, otherwise you'll have a pretty good fight getting them all lined up at once and then stay that way while you weasle and tilt the panel into place.