Originally Posted by ThermionicScott

Okay, so you've got the quill type that I was anticipating. Dribbling lube down the center won't fix the creak if the stem is causing it. You'll want to remove the stem, clean the outer surface of it, and grease it pretty well before reinstalling. I recommend getting a set of allen head sockets for your socket wrench, and using that leverage to loosen the bolt.