When I look at mine I didn't have a 17mm allen key. Remove 1 wheel bolt, and put it into the plug, using a 17mm spanner to turn the bolt. Simon Date: Tue, 26 May 1998 20:17:18 -0800 From: frankbauer@thevine.net tom sez: > - What is the Hex size to remove the fill/drain plugs on the diff??? 17mm. remove the fill plug FIRST! frank to: IN:leveckis@ici.net cc: IN:quattro@coimbra.ans.net