I had this problem on my GTV. It was a broken proportioning valve. I replaced it with one from a spider. Different type valve without a large chamber. The valve broke internally so there were no leaks. The fluid was sloshing between chambers, causing the sinking pedal until pumped
Andy Alfa-less -- to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi or email "unsubscribe alfa" to [email protected]
