| [GMCnet] Brass Combination Valves [message #227341] |
Mon, 28 October 2013 10:04 |
glwgmc
Messages: 1014
Registered: June 2004
Karma:
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Senior Member |
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Replaced the one in my Royale a short time ago with one from JimB and no leaks. Soaked the threads on the old one for a couple of days with Kroil and they all came right off. Attached the lines to the new one, attached it to the bracket then tightened all the lines. Took about 20 to 30 minutes (the wheel liner was already off since I run with them off for better cooling in the mountains of the west). Then bled the brakes with JimH's pressure bleeder. Took close to an hour because I removed the rear tires instead of contorting around under there to reach the rear bleeders on those four disk brakes.
Jerry
Jerry and Sharon Work
78 Royale rear lounge
77 Clasco
Kerby, OR
glwork@mac.com
http://jerrywork.com
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Message: 9
Date: Sun, 27 Oct 2013 12:41:42 -0500
From: Jon Roche <lqqkatjon@gmail.com>
Subject: Re: [GMCnet] Brass Combination Valves
To: gmclist@temp.gmcnet.org
Message-ID: <3778e.526d5055@gmc.mybirdfeeder.net>
Content-Type: text/plain; charset="ISO-8859-15"
here is where I purchased my "flare saver" or "flare washer"
http://dmpfasteners.com/shop/an-fittings-and-hose-1647/tubing-1003/copper-flare-saver-1005/
I have not used them, they are still in the box on my workbench.
this combo valve problem is a tough one to solve. there might be an issue with the manufacture, but there are so many variables in the installation. we have heard about some leaks, but there has to be plenty of installations that did not leak at all. I would think more of those then leaky installations.
there are so many different variables, condition and material of the brake line. conditions of the flares. I know if I have to make my own flares, I borrow a very expensive flare tool from work, I have not had luck with making my own flares with any other tool.
I would rather have a factory made flare line, and then joint it with fittings, then make my own brake flares. when i replaced the lines up to my master cylinder, I found brake lines that were the right length. when I did my dune buggy, I tried making my own lines, and have had some failures down the road on those flares.
the one thing consistency I see, is it seems to be people pointing down to the lower front connection. That connection in itself is tough, it is a sharp bend to the valve. would not take much to get that one out of line, and not have it seal right.
my own experience it was not the fitting at all, but the metering valve worked loose. or it was both, but I had already replaced the brake line. thinking that was it, before I checked and found that metering valve loose.
--
75 palm beach
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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Jerry & Sharon Work
78 Royale
Kerby, OR
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