squeaky brakes

russellbroster
russellbroster Posts: 19
edited August 2009 in Commuting chat
i have just bought a second hand marin with hope m4 disc brakes and they squeak like mad weather im braking hard or light. this is the first bike ive had with disc brakes ( im old school!) so im not very clued up with them.
the pads look fine, not much wear in them at all. ive cleaned the rotors and checked all the bolts but all are sound.
please help!!! its driving me and my mates mad!!!!

Comments

  • nigeve
    nigeve Posts: 82
    I think you need some grease on the back of the pad where the piston pushes it... That works on cars and motorbikes... You'll need to get the right grease from your LBS though...
    (and make sure you grease the back of the pad not the front ...lol)
    Why are you laughing..? I'm not laughing...

    14 year old Rocky Mountain Hammer S, still going strong, now on slicks...
  • ride_whenever
    ride_whenever Posts: 13,279
    no no no no no to greasing or putting copaslip on the back of the pads on mtbs.

    the systems don't get hot enough to stop it seeping through and contaminating the breaking surface...

    Remove pads and lightly sand them...

    have the mounting points been faced?

    What hopes are they (what colour) the older ones squeak all the time, and the newer ones still shreak in the wet.
    Neeermad
    Carbon 456
    456 lefty
    Pompino
    White Inbred
  • nigeve
    nigeve Posts: 82
    I stand corrected (again)....lol
    Thanks :-)
    Why are you laughing..? I'm not laughing...

    14 year old Rocky Mountain Hammer S, still going strong, now on slicks...

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