Author Topic: Piston Pushed Out  (Read 2230 times)

Offline Tree

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Piston Pushed Out
« on: June 06, 2017, 07:53:57 am »
So, I was going to clean the caliper pistons as part of the front pad replacement. As I was squeezing the front brake lever I lost focus and didn't pay attention.  Only one of the four pistons was moving and it popped out of the caliper body.  Needless to say the brake fluid poured out too.  I managed to gently re-insert the piston after a careful visual inspection and cleaning.  I finished the rest of the cleaning and pad replacement and bled the caliper (Speed Bleeder to the rescue!).  I bled an entire bottle of DOT-4 through that caliper.  I'm hoping that the caliper is full and that there are no air pockets.  The squeeze on the brake lever feels good.  Did I get lucky?  Is there something else I need to do?
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Offline VirginiaJim

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Re: Piston Pushed Out
« Reply #1 on: June 06, 2017, 01:49:38 pm »
I think you are going to be fine. 
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Offline jwh20

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Re: Piston Pushed Out
« Reply #2 on: June 07, 2017, 05:09:35 am »
If there are any air pockets in the system you WILL feel it when applying the brakes.  So if you have solid resistance at the brake lever, you have purged the air out of the system.

Offline jimmymac

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Re: Piston Pushed Out
« Reply #3 on: June 07, 2017, 07:02:46 am »
You hosed me!
I wanted to see a slug hanging out of a block!
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Offline Tree

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Re: Piston Pushed Out
« Reply #4 on: June 08, 2017, 03:28:34 am »
Thanks for the replies.  Several round trips to/from work and everything is fine.  Ride safe.
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Offline Conrad

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Re: Piston Pushed Out
« Reply #5 on: June 09, 2017, 08:04:19 am »
You hosed me!
I wanted to see a slug hanging out of a block!

That's what I was expecting to see in this thread as well. Carnage!
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