[mark '87 930]

Do a search on the 911 forum, this has been discussed a few times as I discoverd as well. I did mine a little over a year ago and made my own tool for $8.

http://forums.pelicanparts.com/showthread.php?threadid=279576&highlight=dust+and+cover+and+turbo

http://forums.pelicanparts.com/showthread.php?threadid=270454&highlight=front+and+wheel+and+bearing

http://forums.pelicanparts.com/showthread.php?threadid=175887&perpage=20&highlight=front%20and%20wheel%20and%20bearing&pagenumber=2