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Rennch on YouTube
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Master cylinder leaking like a sieve. What to do?
Is there a rebuild kit for a master cylinder? Mine is all over the place, bleeding from about every orifice. It's a 69 T, so nothing special with the cylinder. Should I just replace it with a decent used one? If so, can I update/backdate to a better one? Any advantage to a certain year?
Thanks.
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Michael O'Neal - 69 RSR Clone(ish) - The build: http://bit.ly/69porschersr 69 911S Blasphemy Build on YouTube Rennch Youtube Channel: http://rennch.com/Youtube Instagram: https://www.instagram.com/_rennch_/ |
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06-08-2006, 06:37 PM
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I've got a "lightly" used 19mm MC that came out of my '74 when I upgraded to a 930 setup with a 23mm MC. PM me with an offer if you're interested.
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06-08-2006, 06:45 PM
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Registered
Join Date: Apr 2006
Location: Newcastle, WA
Posts: 966
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I read earlier that you not try to rebuild a master cylinder. I remember the guy in the post said "Those are your brakes man. Your brakes!" Of possible interest to you, I just replaced the MC on my Jeep today. Man, that was easy. It is a dual circuit MC, and my fronts were not working at all, but they are now. Hopefully this is a skill I can apply, if needed, to my 81SC someday.
I don't see why you couldn't use a functioning used one though. Good luck!
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James 1969 911E Slate Grey 1981 911SC Wine Red 1997 911C4S Ocean Blue |
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06-08-2006, 07:09 PM
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Join Date: Dec 2004
Location: Novato, CA
Posts: 3,064
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There are rebuild kits available, but they're not as cheap as you might think, and if the cylinder bore is dodgy, it probably won't end as you planned.
I'd just buy a new one and quit mucking with it. Don't scrimp on brakes, ianc
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BMW 135i. Nice. Fast. But no 911... "I will tell you there is a big difference between driving money and driving blood, sweat and tears." - PorscheGuy79 |
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06-08-2006, 07:10 PM
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Join Date: Aug 2005
Location: Columbia Gorge, Oregon
Posts: 32
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I agree with ianc, the rebuild kit runs over $70, but a new mastercylinder is $114: peace of mind will cost less than $50...makes sense to me to go with the new.
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1986 911 Carrera 3.2 Coupe 1969 911 T (sold) 1970 914 my first P car (sold) Life Has Its Rewards 
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06-08-2006, 07:44 PM
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Join Date: May 2004
Location: Lake Cle Elum - Eastern WA.
Posts: 8,417
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The kit is $70, but I just paid $198 for a new one from Pelican. IF considering the kit, don't order it until you open up the old one and make sure the bore is not pitted......I sprung for the new m/c in my '73 recently figuring with that many years, it was the best thing to do. Yours is older yet!
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Bob S. 73.5 911T 1969 911T Coo' pay (one owner) 1960 Mercedes 190SL 1962 XKE Roadster (sold) - 13 motorcycles |
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06-08-2006, 08:20 PM
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get ready for some fun with those input hoses. damn.
get a new MC, or buy JP's. it is a good unit.
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poof! gone |
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06-08-2006, 08:27 PM
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Blue Meanie
Hers
