weegav Posted April 24, 2013 Report Share Posted April 24, 2013 My back brake has started making a harsh sound when i brake. Does anybody know what the cause is I have a hope trial zone brake with echo rotor. Quote Link to comment Share on other sites More sharing options...
ghostrider88 Posted April 24, 2013 Report Share Posted April 24, 2013 Contaminated pads most likely. Quote Link to comment Share on other sites More sharing options...
Kevinfor Posted April 24, 2013 Report Share Posted April 24, 2013 Is it something like this: If it is then its contaminated. I got some great advice in this thread: http://www.trials-forum.co.uk/topic/180629-front-disk-thinks-its-a-rim-brake/#entry2493309 1 Quote Link to comment Share on other sites More sharing options...
weegav Posted April 24, 2013 Author Report Share Posted April 24, 2013 (edited) Is it something like this: If it is then its contaminated. I got some great advice in this thread: http://www.trials-forum.co.uk/topic/180629-front-disk-thinks-its-a-rim-brake/#entry2493309 The sound is similar but a lot harsher. I will try boiling the pads and see if it improves. Thanks Edited April 24, 2013 by weegav Quote Link to comment Share on other sites More sharing options...
persistant_itch Posted April 24, 2013 Report Share Posted April 24, 2013 Just curious, when pads are contaminated, is the only solution changing them? Quote Link to comment Share on other sites More sharing options...
weegav Posted April 24, 2013 Author Report Share Posted April 24, 2013 Just curious, when pads are contaminated, is the only solution changing them? You don't have to, but the brake wont be as good as before. Quote Link to comment Share on other sites More sharing options...
FamilyBiker Posted April 24, 2013 Report Share Posted April 24, 2013 (edited) sanding them down helps sometimes,but as weegav said,you´ll be likely to get new ones,the hassle will return sooner or later Edited April 24, 2013 by FamilyBiker Quote Link to comment Share on other sites More sharing options...
persistant_itch Posted April 24, 2013 Report Share Posted April 24, 2013 Cool, thanks for that Quote Link to comment Share on other sites More sharing options...
trialsalot Posted April 25, 2013 Report Share Posted April 25, 2013 Surely if you boil the pads the oil goes to the surface, so how do you get the pads out without re-contaminating? Quote Link to comment Share on other sites More sharing options...
weegav Posted April 25, 2013 Author Report Share Posted April 25, 2013 (edited) Surely if you boil the pads the oil goes to the surface, so how do you get the pads out without re-contaminating? Pour the water out before you take out the pads or when you take them out boil them again Edited April 25, 2013 by weegav Quote Link to comment Share on other sites More sharing options...
FamilyBiker Posted April 26, 2013 Report Share Posted April 26, 2013 to be honest i´ve never heard of pads being rescued through boiling. does that really work? Quote Link to comment Share on other sites More sharing options...
onzatpro09 Posted April 26, 2013 Report Share Posted April 26, 2013 Oil the pads... someone had to say it! Quote Link to comment Share on other sites More sharing options...
LEON Posted April 26, 2013 Report Share Posted April 26, 2013 I just held some bb7 pads over a flame once, you can smell the oil burning out of it & see the smoke, once it stops smoking it should be done. Those pads came back pretty good from being useless. I've tried boiling in water before too but it never worked. 1 Quote Link to comment Share on other sites More sharing options...
weegav Posted April 26, 2013 Author Report Share Posted April 26, 2013 I just held some bb7 pads over a flame once, you can smell the oil burning out of it & see the smoke, once it stops smoking it should be done. Those pads came back pretty good from being useless. I've tried boiling in water before too but it never worked. Might sound stupid but what kind of flame? Quote Link to comment Share on other sites More sharing options...
LEON Posted April 26, 2013 Report Share Posted April 26, 2013 (edited) I just used the gas hob, held the pad in a pair of pliers & watched them bubble & go black, will take longer than you'd think. Once they seem done just dip them in a bowl of cold water, then dry & sand off any rough bits that might have bubbled up & clean any excess off. You've got nothing to lose, if that doesn't work then boiling them in water definitely won't. Clean the rotor properly too. Edited April 26, 2013 by LEON 1 Quote Link to comment Share on other sites More sharing options...
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