I don't know haow many of you change your brake fluid, but I was a little hesitant to do so until I saw my friends. I kept telling him that I didn't think it was neccessary because of it being a sealed system etc. I thought he was being overly anal. Boy was I wrong. Once we started bleeding off some of the fluid and got to the bottom of the master cyl. I realized it was neccessary. There was all kinds of crap in there and both sleds are only one and two yrs old. Just a little info.