Pushing The Brake Caliper Piston Back In... - RX8Club.com



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Old 03-10-2009, 06:35 PM   #1
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Lightbulb Pushing The Brake Caliper Piston Back In...

Gerrr so what do you guys use to push it back in with?

StealthTL told me to use this small box tool and screw it back in but I have one. But I think thats only when changing the back brakes right?

I found this but he said he use his hands:
http://www.installuniversity.com/ins...er_rebuild.htm

Is there a bolt I need to brake lose to get the caliper piston back in?
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Old 03-10-2009, 06:59 PM   #2
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You can use a C-clamp...I usually use my fingers and the old brake pad....

The rears need the tool..you have to turn and push to get it to retract

If you open the bleed screw..it makes it easier
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Old 03-10-2009, 08:53 PM   #3
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For the front, I tryed with my fingers and a block of wood. But it would not go back in.
Ray told me to use a C clamp. Guess I will have to pick one up at Autozone.
Do I need to open the bleeder screw on the front too? or is that just for the back?
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Old 03-10-2009, 09:07 PM   #4
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You can try a pair of pliers also... put it between both pistons and open it up, that should send them back in..

Btw... You shouldn't have to bleed it, but if you have extra fluid and have no choice but to do it by hand it will make it easier.

Last edited by Alucard; 03-10-2009 at 09:11 PM.
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Old 03-10-2009, 09:30 PM   #5
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Quote:
Originally Posted by Alucard View Post
You can try a pair of pliers also... put it between both pistons and open it up, that should send them back in..

Btw... You shouldn't have to bleed it, but if you have extra fluid and have no choice but to do it by hand it will make it easier.
you can do that or use a metal pipe and push it.
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Old 03-10-2009, 10:22 PM   #6
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Ive only done the fronts... a C clamp works great. Glad to know Ill need a tool for when I get to the rears in the future
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Old 03-10-2009, 10:35 PM   #7
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Just get a large C-clamp and use the backing plate from an old set of worn pads to cover the piston (so as not to scratch the piston face with the clamp). Cheap, simple effective. Put one end of the C-clamp on the back of the caliper and the other end on the plate covering the piston front and squeeze.
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Old 03-11-2009, 09:23 PM   #8
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^Sweet I'm ready to do mine and my frinds Thursday.
Thanks guys!
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Old 03-11-2009, 09:35 PM   #9
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You can borrow the tool from autozone to turn the rears. They just need your CC. Also get a large c-clamp
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Old 03-11-2009, 10:11 PM   #10
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Anyone know where you can buy the tool for the rears?

I think Id rather just have my own just in case
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Old 03-11-2009, 10:24 PM   #11
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Quote:
Originally Posted by ndhoffma View Post
Anyone know where you can buy the tool for the rears?

I think Id rather just have my own just in case
They are available cheap at most chain auto parts stores, I got mine at
Advance Auto. Its a little cube with a different key on each side of the cube, one of which will fit the RX8 rears. The cube fits on a 3/8" drive socket wrench.
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Old 03-12-2009, 05:09 AM   #12
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^Yea I got that small cube key box looking tool thing lol at autozone for like $14 bucks. But you only need it if your doing the back pads. I'm just doing my front for now.
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Old 03-12-2009, 10:00 PM   #13
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There is a DIY on this.

Open the master cylinder. Make sure you have room for the fliud to go up. If not use a turey baster and suck some fluid out.

Now you have the room AND the pressure is relieved. Use old brake pad and C clamp for front.
Needle nose for rear.
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Old 03-12-2009, 10:51 PM   #14
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https://www.rx8club.com/showthread.php?t=68073.html

There is the DIY razz is referring to I think


Its not too clear on the needle nose pliers part though
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Old 03-12-2009, 10:53 PM   #15
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I've always used pliers to retract the piston on the rear caliper.
Nothing wrong with that.
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