Brakes clicking noise 07 919 - Wrist Twisters
 
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post #1 of 4 Old 06-19-2012, 03:23 PM Thread Starter
Tirone
 
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Brakes clicking noise 07 919

Hi,
I noticed that my left caliper clicks when I apply the brakes and release the brakes, as if the piston retracts a bit too much when I release the brake lever. The bike has about 14K miles on the clock and I already removed the pistons, cleaned the black baked powder and dust mixture, changed the fluid but noticed that some pistons are slightly stickier than others for my taste, but to my feel it does not affect the braking performance.
I thought I would ask before taking the whole lot once again.
I already have on order new caliper seals and braided dark smoke brake lines and pads, just in case.

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post #2 of 4 Old 06-19-2012, 03:45 PM
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Quote:
Originally Posted by adamax View Post
Hi,
I noticed that my left caliper clicks when I apply the brakes and release the brakes, as if the piston retracts a bit too much when I release the brake lever. The bike has about 14K miles on the clock and I already removed the pistons, cleaned the black baked powder and dust mixture, changed the fluid but noticed that some pistons are slightly stickier than others for my taste, but to my feel it does not affect the braking performance.
I thought I would ask before taking the whole lot once again.
I already have on order new caliper seals and braided dark smoke brake lines and pads, just in case.
Tear your caliper apart and clean it; probably order new seals as well. Not too hard to do, use an air compressor to pop the piston out - just wear leather gloves! Or place them face down on a patch of carpet or something soft.

DOH. I see you already cleaned the pistons, did you remove and clean the rubber seals, too? Sounds like you need new seals.

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post #3 of 4 Old 06-19-2012, 04:01 PM
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Or just buy my calipers......

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post #4 of 4 Old 06-20-2012, 02:05 PM Thread Starter
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I did pop the pistons and seals out, cleaned them and replenished the system with fresh brake fluid. I have cleaned and inspected the pins. The pads are still good.
Personally I doubt the seals that they hardened a little because I noticed that when moving the pistons by hand, some were freely going in n out, but some were kinda sticky.

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