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Brakes locking up?

Discussion in 'Motorcycle Tech Talk' started by gjordan456, Jul 8, 2013.

  1. gjordan456

    gjordan456 Member

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    this happened on my old lady's 2000 softail std' pulled up to the bar on bike night and she could'nt roll her bike back, I jumped off mine and got it to move but with a lot of resistance, seemed like the brakes locked up, after about 10 min it was fine, pads seemed alittle thin was thinkin the piston was stickin, so changed the pads everything seemed to be moving around properly, took it for a test ride and the samething happened, now she all pissed cuz she got to ride bitch on mine, any ideas?
    gjordan456, Jul 8, 2013
    #1
  3. FLHTbiker

    FLHTbiker Moderator Staff Member

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    The pistons for the brake caliper could be sticking.
    When you put pads on it did you put some cleaner on the inside of the brake caliper, brake cleaner is best. Concentrate the spray around the caliper's inner pistons to knock loose any dirt buildup or debris around the pistons. Wipe the caliper dry immediately with a clean rag.
    FLHTbiker, Jul 8, 2013
    #2
  4. HarleysLR

    HarleysLR Active Member

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    Could be the wheel is out of alignment from side to side which can cause the brake to drag.
    HarleysLR, Jul 8, 2013
    #3
  5. hotroadking

    hotroadking Super Moderator Staff Member

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    Warped rotor or misaligned rotor in caliper heats up caliper and fluid expansion closes brakes

    It can also happen if header touches rear mc.


    Sent from my iPhone using Tapatalk
    hotroadking, Jul 8, 2013
    #4
  6. Lucifer

    Lucifer Well-Known Member

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    Lucifer, Jul 9, 2013
    #5
  7. gjordan456

    gjordan456 Member

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    thanks guys, hotroadking nailed it, checked runout on rotor, was way out, but when i took it off and put it on a slab of granite it was flat as a pancake, so checked run out on rim, it's bent! she must of hit a pot hole, its all back together and working great and the ole' lady is happy atleast for alittle while...
    gjordan456, Jul 9, 2013
    #6

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