modifiedridah2k9 Posted August 22, 2010 Report Share Posted August 22, 2010 Hey everyone, I have had a lasy piston for quite some time now, and 20 minutes ago, i fixed it. This is what i did: I moved the cylinder far away from the rim, pulled the brake so the pad went really far it and you could see the piston, and sprayed some WD40 in there, and puled the brake in and out whilst spraying it in. So thats how i have been told to do it. I have accidently got some oil on my rim :/ so i got a scourer pad and cleaned it. Before when i had the lazy piston, the brake was rubbish ( well, the bite) was that because of the lazy piston? And now...the brake is terrible, so i cleaned the rim compleltly with soap and all the oil is gone. Now there is no hold at all and no bite. I am using heatsink yellows... Help? Have i contaminated my rim? If so how do i un-contamitate it? Cheers. Quote Link to comment Share on other sites More sharing options...
josh barker Posted August 22, 2010 Report Share Posted August 22, 2010 sand the old/dirty surface off of the pads and give your rim a fresh grind Quote Link to comment Share on other sites More sharing options...
trials owns Posted August 22, 2010 Report Share Posted August 22, 2010 when i used soap on the rim it make the brake slip so i gave it a good wash with warm water, that made it a little better. Quote Link to comment Share on other sites More sharing options...
modifiedridah2k9 Posted August 22, 2010 Author Report Share Posted August 22, 2010 when i used soap on the rim it make the brake slip so i gave it a good wash with warm water, that made it a little better. I was using hot water with fairy liquid And Josh i cant grind it as im not trusted with a grinder lol and i cant take the pads off as i rounded a bolt I think its fixed, just gave it an extra clean just incase Quote Link to comment Share on other sites More sharing options...
trials owns Posted August 22, 2010 Report Share Posted August 22, 2010 I was using hot water with fairy liquid And Josh i cant grind it as im not trusted with a grinder lol and i cant take the pads off as i rounded a bolt I think its fixed, just gave it an extra clean just incase aahh thats what i mean not just soap on its own Quote Link to comment Share on other sites More sharing options...
Dan6061 Posted August 22, 2010 Report Share Posted August 22, 2010 You've probably ended up with dirt and grease on your rim/pads. Pour loads of hot, soapy water on the rim, and then ride around holding the brake on. This will cover the pads, and also rub the soap everywhere. Keep pouring more soapy water on and repeat. Then rinse it all off with hot water, and keep riding around holding the brake on, rinse, repeat. Then leave it to dry off, and keep riding around holding the brake on until it starts to work again. Quote Link to comment Share on other sites More sharing options...
dann2707 Posted August 22, 2010 Report Share Posted August 22, 2010 Get some wire wool or sandpaper and rub your rim and pads with it. You say you've rounded a bolt off on your mounts but why can't you remove your wheel and get to the pads easily from there. I would have thought soapy water would make it even more slippery (grammar fail?). Quote Link to comment Share on other sites More sharing options...
Juan Manuel Posted August 22, 2010 Report Share Posted August 22, 2010 W40 on the rim, then hot soapy water, then more hot water = Clean Rim I did this to remove oil from it.. I'm not refering to soap but to detergent. Quote Link to comment Share on other sites More sharing options...
dirt jumper jake Posted August 22, 2010 Report Share Posted August 22, 2010 WD40 thats your problem, shoulda used GT85 on the seals Quote Link to comment Share on other sites More sharing options...
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