Help!!!! Brake piston won't go back in!!! - Honda-Tech

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Help!!!! Brake piston won't go back in!!!

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Old 03-15-2004, 06:36 PM   #1
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Default Help!!!! Brake piston won't go back in!!!

I can't get the front brake piston to go back in at all.
I opened the Master cylinder and pushed on it but that didn't work and i tried to turn the valve but it wouldn't move. I toke the rubber cap off and that didn't work.
What do I need to do to get the piston to go back in?
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Old 03-15-2004, 06:44 PM   #2
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Default Re: Help!!!! Brake piston won't go back in!!! (hodsintegra23)

what did you use to push the piston back in? did you use a c clamp?
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Old 03-15-2004, 06:49 PM   #3
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Default Re: Help!!!! Brake piston won't go back in!!! (morepoop4u)

no i was just using some pliers.
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Old 03-15-2004, 06:50 PM   #4
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Default Re: Help!!!! Brake piston won't go back in!!! (hodsintegra23)

you have to use a brake piston compressor
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Old 03-15-2004, 07:01 PM   #5
 
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Default Re: Help!!!! Brake piston won't go back in!!! (blackdude)

Just go buy a cheap *** c clamp, then put the old brake pad on the piston flat. And screw down the clamp on the brake pad and the caliper backside, this will push the piston back in with out any damage.


u dont need any special gay *** tools
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Old 03-15-2004, 07:05 PM   #6
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Default Re: Help!!!! Brake piston won't go back in!!! (JakT)

Quote:
Originally Posted by JakT
Just go buy a cheap *** c clamp, then put the old brake pad on the piston flat. And screw down the clamp on the brake pad and the caliper backside, this will push the piston back in with out any damage.
That's how I've always done my brakes. Should work fine.
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Old 03-15-2004, 07:22 PM   #7
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Default Re: Help!!!! Brake piston won't go back in!!! (riceburner247)

i haven't changed my front pads yet, but i did my rears, and the piston doesn't "push" in, it "turns" in. i took a pair of needle nose pliers and opened them up in the groove of the piston, and turned (clockwise, i think. that would make sense), and it went in. i tried using a c clamp and it didn't work. i would assume the fronts are the same way.
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Old 03-15-2004, 07:42 PM   #8
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Default Re: Help!!!! Brake piston won't go back in!!! (Train)

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i haven't changed my front pads yet, but i did my rears, and the piston doesn't "push" in, it "turns" in. i took a pair of needle nose pliers and opened them up in the groove of the piston, and turned (clockwise, i think. that would make sense), and it went in. i tried using a c clamp and it didn't work. i would assume the fronts are the same way.
U are right about doing the rears, that way, but totally wrong for the fronts... teh front does not have any cross in the piston and does not screw in like the rears do. The fronts just need to be compressed in... i did my pads last week and i always use simple c clamps to recompress the piston, but not on top of the pads. I compress without the pad, then put the pad on... so i won't damage the surface of the pad.
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Old 03-15-2004, 07:46 PM   #9
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Default Re: Help!!!! Brake piston won't go back in!!! (pdcdragon)

Brake Pad Spreader

Big *** C clamp also works. Could also bleed the piston too
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Old 03-15-2004, 07:50 PM   #10
 
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Default Re: Help!!!! Brake piston won't go back in!!! (JakT)

thats how i did my front brake, works fine
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Old 03-16-2004, 05:22 AM   #11
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Default Re: Help!!!! Brake piston won't go back in!!! (hodsintegra23)

Quote:
Originally Posted by hodsintegra23
no i was just using some pliers.
If you wedged the piston crooked, you may have already damaged the cylinder wall. If so, you need a new caliper... The C-clamp or piston compressor pushes into the bottom of the hollow piston so it goes in straight.
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Old 03-16-2004, 05:58 AM   #12
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Default Re: Help!!!! Brake piston won't go back in!!! (JimBlake)

Just open the brake bleeder screw, you can then practially push it in by hand.
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Old 03-16-2004, 06:55 AM   #13
 
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Default Re: Help!!!! Brake piston won't go back in!!! (Solracer)

u can rent a brake piston compressor at your local autozone for a few bucks ....
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Old 03-16-2004, 08:42 AM   #14
 
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Default

a c clamp, or just start the engine up, it will release the pressure in the cals. are you sure your cal. isnt locked up?
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Old 03-16-2004, 11:21 AM   #15
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Default Re: Help!!!! Brake piston won't go back in!!! (blackdude)

Quote:
Originally Posted by blackdude
you have to use a brake piston compressor
on this!

I bought one from Harbor Freight Tools for 3.75 and it works like a champ.
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Old 03-16-2004, 11:49 AM   #16
 
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Default Re: Help!!!! Brake piston won't go back in!!! (ThePro)

u do have the brake fluid resevoir open dont you? meaning the cap is off?
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