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  #1  
Old Nov 3rd, 2009, 4:21 pm
shoswell's Avatar
shoswell shoswell is offline
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Location: Fair Oaks, CA, United States
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Brake!!!!!........................................ ............

Over the coarse of the last few months (I know ) I've been noticing a build up of gunk at the front left caliper. I assumed it was the fork oil as the seat is not fully "seated" But, after a while the oil is low enough as it should not be a real issue. Traced the leak again today, no oil "gunk" north of the caliper, but in and around the entire caliper area. Liberal use of brake cleaner on the out side reveled gobs of gunk on the inside. No known leak as the resivoir level has not moved. Compared the two brake shoes and the offending pads are near new, while the other side is 1/2 gone. I can assume the following.

A. I have a leak in the spicular line.
B. I have loose connections.
C. Worn, leaking caliper seals.

Knowing what assume REALLY means. Any thoughts? Is there a rebuild kit for the calipers. Anyone have the same issue. Searched and found a few of like issues, but no solves. THE HOW has nothing as well....
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  #2  
Old Nov 3rd, 2009, 6:28 pm
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UncleMark UncleMark is offline
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Re: Brake!!!!!........................................ ............

Looks like a caliper R&R... With the way you travel, having only one side doing the Flintstone would have me worried... You might be better finding a usable replacement, do the R&R with it and have your orig rebuilt. Or just toss it... Use it as a door stop... paperweight... ash tray... boat anchor... in-home gym addition... something...

my $0.02... and dammit, I expect change...
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  #3  
Old Nov 3rd, 2009, 7:16 pm
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jzeiler jzeiler is offline
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Re: Brake!!!!!........................................ ............

There is an $80.00 repair kit available but you may be better off with a used caliper.
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2009 R1200GS
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2006 Bushtec Turbo+2 Spell
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  #4  
Old Nov 3rd, 2009, 7:46 pm
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shoswell shoswell is offline
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Re: Brake!!!!!........................................ ............

Quote:
Originally Posted by jzeiler
There is an $80.00 repair kit available but you may be better off with a used caliper.


Do tell? Where would one source a kit? what does a "kit consist of? I will hold off until I clean it up and take off the pots. Maybe its just a stuck/rusty pot that can be salvaged... Who knows...I'll reply with pictures.

Quote:
Originally Posted by UncleMark
my $0.02... and dammit, I expect change...

No refunds, credits or exchanges. Sorry UM, you still have to shop in the kiddie section!
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  #5  
Old Nov 3rd, 2009, 10:44 pm
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jzeiler jzeiler is offline
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Re: Brake!!!!!........................................ ............

Looks like pistons and seals - listed in the BMW parts list on the MAX BMW web site catalog.
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2009 R1200GS
2005 Ocean Blue Blue Wizard
2006 Bushtec Turbo+2 Spell
1976 Suzuki GT750
K4AN


CCR 06 Braselton CCR 07 Osage Beach CCR 08 Midway
CCR 09 Rapid City CCR 10 Killington, VT Can't Wait
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  #6  
Old Nov 3rd, 2009, 11:19 pm
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shoswell shoswell is offline
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Re: Brake!!!!!........................................ ............

Quote:
Originally Posted by jzeiler
Looks like pistons and seals - listed in the BMW parts list on the MAX BMW web site catalog.


Nice, haven't used there site for parts...Thanks for lookin out!
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  #7  
Old Nov 3rd, 2009, 11:54 pm
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hallzee hallzee is offline
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Re: Brake!!!!!........................................ ............

More implants for Barbara? At least she keeps you from getting bored... Or ignoring her!
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  #8  
Old Nov 13th, 2009, 12:41 am
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shoswell shoswell is offline
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Re: Brake!!!!!........................................ ............

Well, glad to say that the R&R of the front caliper is done. Four days of hard bare back riding and not a spec of the grime on the front forks. I ended up disassembling the caliper and removing the pistons as well as the seals. They did not look bad, but one side of the calipers (I broke it down, took the halves apart) pistons were really hard to remove and re-assemble. no wear, but definitely different from the other side. Used 600 grit wet/dry and they are still snug but do move. So...either it was the pistons or a loose connection somewhere. All I know is I did it on the cheap and more importantly I did it myself (with a little moral support)

Thanks to all. Hopefully one day the round(s) will be on me! (UM and Hallzee excluded!)
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  #9  
Old Nov 13th, 2009, 8:39 am
rdwalker rdwalker is online now
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Re: Brake!!!!!........................................ ............

Quote:
Originally Posted by shoswell
Well, glad to say that the R&R of the front caliper is done. Four days of hard bare back riding and not a spec of the grime on the front forks. I ended up disassembling the caliper and removing the pistons as well as the seals. ...

Did you change the seals or just sand the pistons?
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  #10  
Old Nov 13th, 2009, 1:20 pm
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shoswell shoswell is offline
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Re: Brake!!!!!........................................ ............

Quote:
Originally Posted by rdwalker
Did you change the seals or just sand the pistons?


Seals looked good, did notice a strand or two (between the four pots) of rubber shavings. I assume from the installation. There are two seals in each pot (piston). The lower is more of a pressure seal (double the width of the upper) while the upper is for dust/debris. I assume that the rubber strands are from the upper as it can pinch a bit on re-installation because it is hard to get the pot lined up exactly straight in the beginning.

I just ever so lightly sanded the pots to clean them up...She is still gunk less at this point, so I'm still happy!

Build up on the end of the pot...


a few more views


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Last edited by shoswell : Nov 13th, 2009 at 1:34 pm.
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  #11  
Old Yesterday, 12:23 am
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shoswell shoswell is offline
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Join Date: Apr 2008
Location: Fair Oaks, CA, United States
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Re: Brake!!!!!........................................ ............

El problemo is back..... had some other "maintenance" to do and noticed a little grime had stuck itself to the top brake line connection. Where the (spiegler) brake hose and the hard line meet). cleaned it off and and will keep an eye on it while I source a new one. or send it back and wait for a replacement....Not sure, but I hate not riding the old girl!
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  #12  
Old Yesterday, 12:01 pm
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UncleMark UncleMark is offline
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Re: Brake!!!!!........................................ ............

Spiegler was sending milled aluminum T's out that were far from perfect. You aren't looking at that T connector junction are you? If you are, you may have a failed POS T that will need to be replaced. Spiegler has already admitted they had a SNAFU on some of their milled parts as of late.
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