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  1. #1
    mtbr member
    Reputation: bigdrunk's Avatar
    Join Date
    Feb 2004

    Rotor Rub on New Louise FRs

    I just installed a set of 2004 Louise FRs. Ithe caliper is spaced to where the rotor is going right down the middle. One of the pads is rubbing very hard. When I look down the rotor, I can see daylight between the pad and the rotor that isnt rubbing. On the one that is, obviously no light between.

    When I pull the lever, the non rubbing pad moves into contact with the rotor, while the pad with the rubbing problem does not seem to do much. When I release the lever, the non rubbing pad contracts, while the one that rubs, doesnt budge.

    What could the problem be?

  2. #2
    Reputation: The Squeaky Wheel's Avatar
    Join Date
    Dec 2003


    More fluid is trapped in one piston than the other.

    Easy to fix.

    Using a rag and two hands, push the rotor over to the piston that's closer to the rotor. Hold it there with one hand (or it helps to have a second person) and squeeze the lever once or twice. This will force fluid into the piston that's further from the rotor & will even things out.
    Sometimes it over corrects and then you have to do it in the other direction.

  3. #3
    Ted is online now
    Ted in real life
    Reputation: Ted's Avatar
    Join Date
    Jan 2004

    Similar Sort of Fix

    I used a business card. With the pads pushed back I placed it between the rotor and caliper on the side that was too close. I then squeezed the lever several times to adjust the pads. Then removed the card. The rotor was then centered between the pads.

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