On my 81 z28 the bearings in the column past the tilt have broken. I would like to replace them because this makes the steering wheel able to move up and down/left and right way too much. Does any one have a disasemble procedure for the steering column? And also where to get the bearings?

Any help would be appreciated, thanks.

:EDIT: Oh and I mean the bearing past the tilt towards the wheel, not towards the firewall.