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> Brake question., Kneed to know...
cantley914
post Feb 1 2006, 07:47 PM
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Hello everyone
On a snowy canadian night, I just put back the braking system on my 73 914. While filling the brake fluid reservoir and pumping the brake pedal I noticed brake fluid coming out of the master cylinder at the brake pedal.

Anything I can do to solve this problem without having to drain the system?

Steph

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double-a
post Feb 1 2006, 07:51 PM
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hm, probably no way to fix that without removing the mc. which sucks, because that's my personal least favorite job (so far) on these cars.

~a
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TimT
post Feb 1 2006, 07:52 PM
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sounds like you get to spend another snowy canadian night installing a new master cylinder (IMG:http://www.914world.com/bbs2/html/emoticons/laugh.gif)
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cantley914
post Feb 1 2006, 07:59 PM
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Should I change it or rebuild it. Are they rebuildable???
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cantley914
post Feb 1 2006, 08:02 PM
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Not too bad to remove at this point for "honey" is still on the rotisserie.
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TimT
post Feb 1 2006, 08:09 PM
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If it were my car I would change it.

One reason the MC starts leaking when you do a bleed is that you get deposits in the MC bore. where the pedal usually stops, when you bleed your pushing the o-rings past these deposits tearing the o-rings.
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cantley914
post Feb 1 2006, 08:13 PM
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The MC has been removed from the car and sitting on a shelf, dry, for the past 12 years. I guess that explains the leak.

I have another one stillm installed on my parts car. I guess I`ll try that one

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Eric_Shea
post Feb 1 2006, 08:24 PM
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Rebuild your pedal cluster now as well. I've rebuilt a few M/C's no problems, fairly easy job.

Sounds like you've got it figured out...
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cantley914
post Feb 1 2006, 08:30 PM
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Last question,

Where can I get a rebuild kit?
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john rogers
post Feb 1 2006, 08:33 PM
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If it were me, I'd buy a new one since the m/c is sort of the pivotal main part of the braking system and it is nice to know it is perfect.
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brp914
post Feb 1 2006, 08:45 PM
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I've rblt 2 914 m/c. 1 worked great for years despite the fact it was not an ATE kit and I could only use half the parts. The next one worked great for exactly 1 day and failed at a very inopportune time. Got home, took it apart. Nothing wrong. Put it back, no workie. Never again. I wont cheap out with brakes anymore.
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cantley914
post Feb 1 2006, 08:59 PM
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Yeah WTH I`ll go with a new one. You guys are right.

Thanks for all the advises.

Long life to the 914 club
What makes this club so great is the people.

Steph

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