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  1. #1
    mtbr member
    Reputation: Passenger13's Avatar
    Join Date
    Oct 2006
    Posts
    759

    sticking piston on Avid Jucy 7's

    I have noticed some rub of my rotor durring my last ride. Upon inspection, I notice that one of the pistons is stuck back deeper than the other so that I can see one pad, but the other is not visable. This is causing the rotor to rub against the body that houses the pads on the same side. My question is this; would bleeding the brake line remedy this solution, or do I need to take this problem into the shop?
    "Time won't leave me as I am "

  2. #2
    ride hard take risks
    Reputation: dogonfr's Avatar
    Join Date
    Jan 2005
    Posts
    25,412
    Very doubtfully bleeding will resolve the problem. If it was me I would remove the caliper & carefully pull the lever in to expose the pistons, add some lube like brake fluid to the piston then with a screwdriver push the pistons back into the bore. I would do this until I see the lazy piston do it's share of the work. If this doesnt work then it's time for a disassemble possibly new seals & reassemble.

    Edit: Should mention to keep a screwdriver between the pads so they dont close when pushing the pistons in with the master lever.
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