Brake help!!! piston fell out! leaking...brake experts help please!!!

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Old Nov 22, 2003 | 10:05 PM
  #1  
Project_ED8's Avatar
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From: Bay Areaaaaaaaaaaaaa, CA, USA
Default Brake help!!! piston fell out! leaking...brake experts help please!!!

ok this is complicated but here it goes. well my friend came over today and he was going to help me out with a brake job(haven't done one before and he said hes done enough to know how to) so yeah....we start at it...fairly easy job. BUT the thing here is...we didn't do one brake pad\rotor at a time...we did one...then left the caliper hanging w\ roter off(so i could get it resurfaced) then we started on the other side. well i guess...your only suppose to do one side at a time? or only compress one piston then finish the rest of the job...then do the other side? well we didn't...i didn't know this, neither did my friend. soooo...as we finished up the passenger side(we left the drives side roter and caliper off because we were planning on taking out the axle and replacing the seal) we started to notice that a lot of fluid was leaking out! it seemed to be coming towards the master cylinder or the brake fluid resevoir. i guess as we compress the passenger side piston...and we left the drivers side just haning there on a wire and not completed...air got into the system?? i don't know...but the fluid i guess over-filled and spilled...but my question is...did it come out of the resevoir or master cylinder seals? i HOPE my master cylinder isn't gone now?!?. ALSO...this cause the driver side piston to pop out. can i just pop it back in? the boot looked a lil torn can i replace this? well thanks for anyones help....oh man what a long *** day....
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Old Nov 23, 2003 | 03:42 AM
  #2  
JUSTCRX's Avatar
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From: NY, USA
Default Re: Brake help!!! piston fell out! leaking...brake experts help please!!! (Project_ED8)

The fluid that "leak" from your resevoir is normal, because you are compressing brake fluid back up to the master. As you compressed the piston, the brake fluid slowly travel back to the master from the brake lines, and if you have more that enough brake fluid, it will leak past the resevoir cap.

As far as the driver's side caliper, I suggest you bought a rebuild or new one. Putting a piston back into a caliper, like almost rebuilding a caliper is too much for you since this is your first brake job. Go to autozone and buy a rebuild one and they have lifttime warrenty.

Steve
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Old Nov 23, 2003 | 05:17 AM
  #3  
7PSI CRX's Avatar
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From: Lower Hudson Valley, NY
Default Re: Brake help!!! piston fell out! leaking...brake experts help please!!! (Project_ED8)

He's got it right.

you can "temp" push the piston back in, but if the rubber boot is torn, it won't be long till the piston starts to rust up and then start dragging on ya.

In my opion, it's better to spend the $85.00 or so on a new caliper now, that is, if you have the $$$$.

On another note....

NEVER ADD Brake Fluid just to "top it off".

When installing new pads, fill the res to the top line and leave it alone.

Only add fluid if you have a known leak, or the dash light comes on. (Low Level)

There is enough fluid in the res to wear all of your pads down to the metal backing.

IF YOU DO add fluid, there is TOO MUCH when you replace the pads, and it either spills out, or you must siphon some out BEFORE you compress the pistons.

Just by looking at my master cylinder I can tell how worn my pads are.

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Old Nov 23, 2003 | 09:30 AM
  #4  
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Default Re: Brake help!!! piston fell out! leaking...brake experts help please!!! (Project_ED8)

The same happened to me a while ago when I was doing a brake job. So I just replaced the whole caliper, b/c I tore the rubber boot around the piston also.

Autozone has reman. ones pretty cheap, well a lot cheaper than $85.00 I want to say like only $30 or so.
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Old Nov 23, 2003 | 09:50 AM
  #5  
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From: Greenfield, WI, USA
Default Re: Brake help!!! piston fell out! leaking...brake experts help please!!! (B16_madman)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B16_madman &raquo;</TD></TR><TR><TD CLASS="quote">Autozone has reman. ones pretty cheap, well a lot cheaper than $85.00 I want to say like only $30 or so.</TD></TR></TABLE>
Yeah I was going to add that Autozone reman calipers arent that expensive. Like it was already stated just get a new one rebuilding one is a pita.
I would only recommend doing that in 2 situations..First you know what your doing and second the caliper is damn expensive!! So I mean for the trouble you would go through rebuilding it you could have a pretty much new one for a little bit more money and a hell of a lot less headaches.

What you did was fine with leaving the calipers off while you get the rotors resurfaced (another item that isnt very expensive from autozone) but one thing you should do if your going to do that is first either dont compress the pistons OR if they are both off and you would have to compress one put a "C" clamp on the opposite caliper that way it cant pop out since the clamp will be holding it in place.
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Old Nov 23, 2003 | 10:44 AM
  #6  
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Default Re: Brake help!!! piston fell out! leaking...brake experts help please!!! (Vinceg99)

did you mean that I rebuilded mine myself? If so, no I bought a whole reman. one w/mine as a core swap for that cheap. They didn't/wouldn't/couldn't sell me just the rubber boot I needed.
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Old Nov 23, 2003 | 10:48 AM
  #7  
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From: Greenfield, WI, USA
Default Re: Brake help!!! piston fell out! leaking...brake experts help please!!! (B16_madman)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B16_madman &raquo;</TD></TR><TR><TD CLASS="quote">did you mean that I rebuilded mine myself? If so, no I bought a whole reman. one w/mine as a core swap for that cheap. They didn't/wouldn't/couldn't sell me just the rubber boot I needed.</TD></TR></TABLE>
No I was saying a whole complete caliper wasnt $85 like someone had earlier stated, I was just agreeing with you that they werent that expensive for a complete caliper through Autozone..

As for just the boot no they wouldnt sell you just the boot they have to sell you a whole rebuilding kit its not available seperately. Well through some places it might be but I would have no idea where??
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Old Nov 23, 2003 | 11:39 AM
  #8  
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From: Clemson, SC, 29631
Default Re: Brake help!!! piston fell out! leaking...brake experts help please!!! (Vinceg99)

Rebuilding front calipers isn't hard at all. All you really need is an air compressor to push the piston out. I did it myself the first time and didn't have a problem. I used this tutorial as a guide.

http://www.installuniversity.c...d.htm

It's obviously not for a Honda brake system but the main points are there and it worked for me. Just buy the piston seals and dust boots from your local Honda dealership. I think mine were like $11 for both front calipers. I honestly can't really remember the exact price. I do know that it's cheaper than a reman'ed unit and you get the satisfaction of doing it yourself. Good luck
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