Canardweb Posted February 19, 2013 Report Share Posted February 19, 2013 Hello everyone, I have a problem with my front HS33 brake. It's a post 2005 version. It's basically new, has been used several times bled with water. But lately after a new bleed and several rides the lever started not coming back after I press it. I tried rebleeding it with a syringe to push the piston into the lever body back at the maximum and then do a regular bleed.It still does it. I tried changing the slave cylinder. and it stil does it. So I am sure it comes from the lever but I don't know what to do, tried rebleeding, putting oil or grease on the plastic cylinder inside the lever body, and nothing worked. Please help me! Quote Link to comment Share on other sites More sharing options...
FamilyBiker Posted February 19, 2013 Report Share Posted February 19, 2013 take the master pistons o-ring off and sand the piston down slightly.should fix it Quote Link to comment Share on other sites More sharing options...
Canardweb Posted February 19, 2013 Author Report Share Posted February 19, 2013 take the master pistons o-ring off and sand the piston down slightly.should fix it Have you ever got that problem? Any picture? Quote Link to comment Share on other sites More sharing options...
dannytrialskid Posted February 19, 2013 Report Share Posted February 19, 2013 (edited) Have you ever got that problem? Any picture? This literally happened to me a few weeks ago. Sand then piston down a TINY bit. When I say tiny, I mean tiny! The slightest over sanding can make your brake leak. Just do it via trial and error. Sand it, does it fit? No? Then sand it again until it does, little by little! You could also stretch your spring a little bit as well while your at it. Edited February 19, 2013 by dannytrialskid Quote Link to comment Share on other sites More sharing options...
trialsiain Posted February 19, 2013 Report Share Posted February 19, 2013 do you sand the slaves ? Quote Link to comment Share on other sites More sharing options...
ghostrider88 Posted February 19, 2013 Report Share Posted February 19, 2013 Look at the lever where it´s bolted to lever body, isn´t it deformed there? if is, sand it down so it´s perfectly smooth and don´t over tighten the bolt which holds lever in place. If your lever is in good shape, swollen piston it is. Quote Link to comment Share on other sites More sharing options...
Canardweb Posted February 20, 2013 Author Report Share Posted February 20, 2013 (edited) Thank you all so much, I'll try and let you know! Edited February 20, 2013 by Canardweb Quote Link to comment Share on other sites More sharing options...
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