Hey Guest!
Hey - did you know if you click on the title of a thread it will take you to the first unread post since you last visited that thread?
but were afraid to ask: 
STOP!! Never post your email address in open forums. Bots can "harvest" your email! If you must share your email use a Private Message or use the 
smilie in place of the real @
Pretty Please - add it to our Events forum(s) and add to the calendar! >> 
OP
SherpaPilot
Jedi Hopeful
Offline
Recently I noticed a slight drip of brake fluid at the rear of the master cylinder during the brake bleeding process. To me, this drip indicated a failure of a brake cylinder "o" ring. Since this unit is pretty old, I decided to replace the entire unit rather than attempt a rebuild. I am waiting for delivery. Meanwhile, I am wondering if I need to remove the brake servo and check for brake fluid that may have entered through the front seal of the servo. Is it possible for the servo to be contaminated by a leak in the MC? I don't want to go through the effort to remove/install the servo if not necessary. Does anyone have any experience with such leaks getting into the servo? Should I check the servo or am I too cautious? As usual, any advice is appreciated.. Thanks.