Today I changed the front and rear diff fluid. On the front I used Castrol Axle Limited Slip GL-5 80w90. On the rear I used Mobil1 synthetic 75w90. Both magnets had quite a bit of mettalic build up on them. The whole process was pretty simple on both. All you need is a #10 hex bit and a gear oil pump (you can pick them up at WalMart for around $5). The old fluid didn't seem to be in horrible shape, but it was definitely dark. If you have any questions about the service feel free to shoot me a reply!
Zach
