STEVE-0 Posted March 13, 2012 Report Share Posted March 13, 2012 (edited) Hi Guys, Thought I'd share this with you. I've got an old style cnc'ed brake lever. It was leaking so bad I had to bleed it every ride, although I've finally found a solution thanks to my plumbing friend. Take the lever apart and remove the piston. Pinch the seal to allow you to remove it easily. Measure some PTFE tape for 2 rotations around the grove where the seal sits and cut. Now fold this length-ways twice to fit the groove. Lay it in and wrap around. Return the seal which will now be raised and prevent further leaking. Twist the seal around so the PTFE tape beds in. Resemble brake. I wish someone could have given me the solution... Let me know if this works for you! Also depending on your leak, vary how much PTFE tape you use... Steve-o x Edited March 13, 2012 by STEVE-0 Quote Link to comment Share on other sites More sharing options...
dirty-boi Posted March 13, 2012 Report Share Posted March 13, 2012 Or replacing the seal usually works Quote Link to comment Share on other sites More sharing options...
SamKidney Posted March 13, 2012 Report Share Posted March 13, 2012 Or replacing the seal usually works Doesnt always work. Mate of mine used this very method on an old Echo SL lever unit. Replaced the o ring several times to no avail, then used this method. 3 years on the brake hasnt leaked once. Quote Link to comment Share on other sites More sharing options...
dirty-boi Posted March 13, 2012 Report Share Posted March 13, 2012 See I'm a stickler for making sure its right, if the O' ring didn't work and replacing the piston n barrel still didn't fix the problem then I'd replace the lever. Only because the one time you push yourself will be the one time it fails...not a risk I'm willing to take for the sake of a few quid. Each to their own like and if it works for you then it works for you, but I'd rather have 100% confidence in my brakes. Cause you never know. Quote Link to comment Share on other sites More sharing options...
STEVE-0 Posted March 13, 2012 Author Report Share Posted March 13, 2012 Well mine never failed to the stage where to brake had no power. I main reason I use this lever is I snap the magura 05 levers so easily due to the force applied during hooks. Hence a cnc'ed lever is the perfect choice for me. Plus, I've also managed to add the magura 4 finger lever to it so its super powerful. Just what Stan did a couple of years back. I'm super happy with it anyway and glad to hear it has given other people a long term solution! Quote Link to comment Share on other sites More sharing options...
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