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On 6 Oct 2003 at 19:25, Aaron Clow wrote: > I decided to put the old master cylinder back in and I > noticed two things: > > 1) The boot on the new MC was torn off. I must've done > that somehow while putting it in. This may be related > to: > > 2) I noticed when I put in the old master cylinder, > the pedal could now be pushed completely to the floor. > When I pushed down on the pedal with the new MC > installed, it went about 5-6" and then stopped hard, > with about 3-4" left between the pedal and the metal > tray that goes behind the pedals. I suspect that you did not have the pushrod installed correctly in the center, and within the boot, of the new MC. It is likely that the bleeding you did was, like you guessed, all from gravity. Getting the pushrod aligned correctly is one of the most awkward parts of this installation, but you can check it with a flashlight thru the holes under the pedals when you're done. I've actually used a number of different methods to get the pushrod in there correctly, including a carefully bent support wire from the pedal side, screwdrivers from either side, and fingers from either side (for the inside, with the help of a friend.) I wonder if Russ has any particular trick for this. It's also possible that the new MC pistons were rusted solid in their bores. It's always a good idea to test for this before you start by putting a Phillips screwdriver down the MC's throat and pushing, just to check for normal motion of the pistons. BTW, gravity is a perfectly good way to bleed our systems. It is simple and effective, but it is just a bit slower than forced bleeding. It's biggest advantage is that it works just fine with one person. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org