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Re: Problem with brass body proportioning valve [message #365811 is a reply to message #365809] |
Sun, 01 August 2021 15:06 ![Go to previous message Go to previous message](/GMCforum/theme/default/images/up.png) ![Go to next message Go to previous message](/GMCforum/theme/default/images/down.png) |
Larry
![United States United States](/GMCforum/images/flags/us.png) Messages: 2875 Registered: January 2004 Location: Menomonie, WI
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Matt Colie wrote on Sun, 01 August 2021 14:37Larry wrote on Sun, 01 August 2021 14:03I changed my Combination/Proportioning valve back in 2005 when I did the whole braking system. At that time that "valve" was the old steel one and was quite rusty, so got one from, IIRC, Applied GMC. It was Brass, so I felt I had to check it for the proportioning rubber plug. I did it while installed on the coach. First thing I did was make sure the master cylinder was full and then put the proportioning valve bleed tool for holding to the differential spool valve in place. Then remove the brake line going to the rear wheels, and capped the line off with a inverted flare cap. With fluid trickling out of the combination valve, using a mirror and a flashlight, looked up the valve for the rubber plug and spring. NOT THERE!! So I put it back together and bled the line. Apparently some of the brass ones sold back in the early 2000's did not have that proportioning spring and plug in them. So it is possible that some of you may have the correct brass "combination valve". IMO it is best to check it anyway.
Tom Pryor found out that the design for the PVMH has existed a long time and they believe some were made. You may have gotten one.
Look underneath and see if it is stamped PVMH or PV2/4.
Matt
Awwww Geese...do I have to? Maybe next time I have the front end up and the drivers side wheel and wheel well off.....
I was actually surprised that the plug and spring were not there. I was under the impression from all of the talk about it, that ALL brass combo valves had it....but...noooooo!!
Larry ![Smile](images/smiley_icons/icon_smile.gif)
78 Royale w/500 Caddy
Menomonie, WI.
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Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: blur911 on Fri, 09 July 2021 15:00
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: ebyker on Sat, 10 July 2021 07:43
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Re: Problem with brass body proportioning valve
By: MikeB on Sat, 10 July 2021 10:01
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[GMCnet] Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: Greg C. on Sat, 10 July 2021 19:05
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Re: Problem with brass body proportioning valve
By: Larry on Sat, 10 July 2021 20:24
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: Greg C. on Sun, 11 July 2021 19:29
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Re: Problem with brass body proportioning valve
By: wally on Mon, 12 July 2021 11:55
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: TR 1 on Mon, 12 July 2021 12:44
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: TR 1 on Mon, 12 July 2021 14:34
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: Greg C. on Mon, 12 July 2021 17:02
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: Greg C. on Mon, 12 July 2021 17:40
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[GMCnet] Re: Problem with brass body proportioning valve
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[GMCnet] Re: Problem with brass body proportioning valve
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Re: [GMCnet] Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: Larry on Sun, 01 August 2021 13:03
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: Larry on Sun, 01 August 2021 15:06
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Re: Problem with brass body proportioning valve
By: blur911 on Sun, 01 August 2021 16:00
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Re: Problem with brass body proportioning valve
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Re: Problem with brass body proportioning valve
By: Larry on Fri, 17 September 2021 17:49
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Re: Problem with brass body proportioning valve
By: blur911 on Sun, 10 October 2021 13:23
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Re: Problem with brass body proportioning valve
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[GMCnet] Re: Problem with brass body proportioning valve
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[GMCnet] Re: Problem with brass body proportioning valve
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[GMCnet] Re: Problem with brass body proportioning valve
By: jimk on Mon, 11 October 2021 20:17
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Re: [GMCnet] Re: Problem with brass body proportioning valve
By: blur911 on Wed, 03 November 2021 14:39
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[GMCnet] Re: Problem with brass body proportioning valve
By: jimk on Wed, 03 November 2021 15:26
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Re: Problem with brass body proportioning valve
By: ebyker on Tue, 12 October 2021 14:59
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