Beerplease Posted April 25, 2010 Report Posted April 25, 2010 I have a 2001 Banshee that is 95% stock that I bought and rebuilt after the PO blew the top end. During the rebuild I noticed that the front pads where worn so I replaced those and put the bike back together. The front brakes are pretty much non-effective even after power bleeding them, and even reverse bleeding them with a syringe. There are no leaks and both pistons move freely in the calipers and there are no bulged rubber hoses etc. It will build some resistance after pumping the front lever but is still pretty wimpy in the stopping department. I am pretty sure it must be the master cylinder seals that are failing allowing fluid to bypass which is keeping enough pressure away from the pistons. Anyone else have problems with the stock seals failing after a while? The system looked like it had never been opened before, but the fluid was a bit dirty. Where is the best place to by a rebuild kit for the master cylinder if I need one? Quote
shakar Posted April 25, 2010 Report Posted April 25, 2010 (edited) I have a 2001 Banshee that is 95% stock that I bought and rebuilt after the PO blew the top end. During the rebuild I noticed that the front pads where worn so I replaced those and put the bike back together. The front brakes are pretty much non-effective even after power bleeding them, and even reverse bleeding them with a syringe. There are no leaks and both pistons move freely in the calipers and there are no bulged rubber hoses etc. It will build some resistance after pumping the front lever but is still pretty wimpy in the stopping department. I am pretty sure it must be the master cylinder seals that are failing allowing fluid to bypass which is keeping enough pressure away from the pistons. Anyone else have problems with the stock seals failing after a while? The system looked like it had never been opened before, but the fluid was a bit dirty. Where is the best place to by a rebuild kit for the master cylinder if I need one? i think ur prob right , they have the rebuild kit for the front and rear on ebay for round 20 bucks each Edited April 25, 2010 by shakar Quote
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