Finally got around changing my Diff fluid, front and rear. Honestly the easiest thing the VX has let me do to her. I used Mobile 1 that already the limited slip additive in it. Not bad, around $90 for 4 bottles. I put just over 3 1/2 bottles in, got just under 3 bottles of old fluid out of the VX. I was surprised when I open the fill plug for the diff and nothing came out. I stuck my punky in the hole and never did find out how the fluid was. After removing the drain plug for the front diff, I got a nice steady stream of fluid, but it didn't last long. I am not sure how low it was, but it was definitely low. Fluid from both differentials looked like thin brown gravy. I know this should have been one of the first things I did with the VX, but it's done now. One more item checked off the list.