Yep you will need to remove the radiator or undo the engine mounts to move the engine upward to gain room to remove the alternator.
Here is a guide to help you get the basics and diagrams (below) to help you see what you are in for when doing the job.
Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
Images (Click to enlarge)
Tuesday, August 30th, 2011 AT 2:58 PM