Frank J. Bauer dassault systemes of America email:fjbauer@dsavm.e-mail.com Subject: quick question greg sez: >Can anyone tell me what the special tool is for changing half shafts on an >87 4ks. Is it a torx? What size? it's an 8mm - depending on the tool manufacturer, it's called either a 12-point, spline drive, or triple square. it is NOT a torx or hex! frank