Hi everyone,
I have an ongoing problem with this brake,under moderate braking there is a noise and vibration,i have tried everything from cleaning/resurfacing the pads,cleaning the disc,replacing the pads,recentering the calliper,checking rotor,
still no joy ,at the point now that i dont want to use the bike due to the noise,has anyone experienced this/got a fix for this??
Bike Forum
'08 XT Rear brake noise/frame vibration.
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Posted 2 years ago #
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lubrication of the pistons with a v. small amount of brake fluid should cure it
Posted 2 years ago # -
Calliper pistons dont appear to be sticking,and are working at the same rate???
Posted 2 years ago # -
what are you cleaning the rotors with?
are they new pads you're trying or are you just sanding them down?
Posted 2 years ago # -
I too am getting this but at the moment from both front and rear. i am currently using sintered pads and think that they may be the cause as the are so hard. What type of pad are you using?
Posted 2 years ago # -
Could be contaminated brake pads, cleaning wont necessarily get rid of it either. Try some new ones
Posted 2 years ago # -
Take the wheel off and spin it checking to see if the rotor is slightly warped ?
Nick
Posted 2 years ago # -
Given that you have changed the pads, re-aligned them and checked every bolt on the bike is tight, honestly, try what I said, and if that does not work, a. let me know, and b. see what others suggest and let me know what it is that fixes it.
Posted 2 years ago # -
i have exactly the same problem, i suspect that it's to do with the pads not hitting the disc dead centre (ie at a wee bit of an angle), i'm going to get the disc mounts faced and see if that does the job
Posted 2 years ago # -
Two things to try - lube the back of the pads with a tiny amount of coppaslip.
File a 45 degree chamfer on the leading edge of the pads.
What make of pads? If you are not using genuine oe pads then you could try changeing to genuine pads
Posted 2 years ago # -
I had this on my hardtail with 08 XTs - sounded like an HGV braking. I was using the original Shimano pads and tried cleaning the rotors, sanding & baking the pads etc. That would work for a ride or 2 but then it came back. Eventually I tried swapping to another supplier's pads (SSChhh you know who) & the noise has gone.
Posted 2 years ago #
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