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New Rear Brake Pads Moan WHY???

Discussion in 'XJ Technical Chat' started by wonderdawg, Aug 5, 2010.

  1. wonderdawg

    wonderdawg Member

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    :?: :?:

    I just had my rear tire replaced and while I was at I had my rear brake pads replaced as well. Both the tire and the brake pads were definately in need of replacement. Now, when I apply the rear brakes I am getting a distinct moan from the rear end. I have tried the using just the front brakes to make certain that it was the rear and I heard nothing unusual. So any ideas?

    Regards,

    W. D.
     
    wonderdawg, Aug 5, 2010
    #1
  2. marshallnoise

    marshallnoise Member

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    Improper seating of pad to rotor? This happens in cars too.
     
    marshallnoise, Aug 5, 2010
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  3. RickCoMatic

    RickCoMatic Well-Known Member

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    It might be a few things:

    Usually, it's because whoever installed then tookk them right out of the box and put them on-the-Bike without ... CHAMFERING ... the Sharp, right-angles from the EDGES of the Pads.

    Look-up: Chamfer Brake Pads ... on the Web.

    There is a Rust Ridge on the Brake Drum that should have been DRESSED-Away.
    If the New Pads catch the Rust Ridge ... They make an Unholy racket.

    Solution:
    Remove Brake Pads. Chamfer edges.
    (Round-off all the sharp, right angles with a Dremel, Grinder or a File)

    DREMEL Tool Sand-away the RUST Ridge,
    Keep the Tool MOVING around the Drum
    Knock-down the Rust Ridge and be done.
    Don't take any more material than absolutely necessary.

    (( I doubt you could take enough to upset the BALANCE ... But, keep it to a Minimum ))

    De-Glaze those New Shoes while their off.
    Hit them with 320 and scuff them up a bit.
     
    RickCoMatic, Aug 5, 2010
    #3
  4. wonderdawg

    wonderdawg Member

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    Will it harm the brake system to do nothing???
     
    wonderdawg, Aug 5, 2010
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  5. RickCoMatic

    RickCoMatic Well-Known Member

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    Wait ... is this on a 900?

    Forget me thinking it was a Maxim.

    Chamfer the Brake Pads.
    All leading edges.
     
    RickCoMatic, Aug 6, 2010
    #5

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