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  1. #1
    mtbr member
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    May 2006
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    78

    Disc Brakes Squeaking

    Hello, I have a Trek 4900 with mechanical disc brakes. Ive had them for around two months now. since the last week, whenever I apply the brakes, they make a squealing noise- yes both of them. Is this normal? I dont have a drop in stopping power- they are just as strong as they were when I got them. Its just the noise thats annoying me- nothing else. I just want to make sure that there isnt a problem with my brakes. Can anyone help me out?

  2. #2
    mtbr member
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    Jan 2004
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    Clean the rotors with isopropyl alcohol and keep your fingers (and oil) away from them.

    gently sand your brake pads using a very fine grit sand paper.

    stop nice and easy for 10-20 stops. are they any better?

  3. #3
    Endo Gold Medalist
    Reputation: Luke Trailrider's Avatar
    Join Date
    Feb 2006
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    37

    Good job!

    Quote Originally Posted by Phil
    Clean the rotors with isopropyl alcohol and keep your fingers (and oil) away from them.

    gently sand your brake pads using a very fine grit sand paper.

    stop nice and easy for 10-20 stops. are they any better?
    I'll give that a try too Phil. The mech. disc brakes on my fisher piranah are doing the same thing.

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