| [GMCnet] rear air valves [message #277916] |
Sat, 16 May 2015 14:51  |
JT O'Neill
Messages: 7
Registered: April 2015
Karma: 0
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Junior Member |
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I replaced my air compressor last month. Since then both sides rear air valves are leaking, as well as a leak up front. On the rear air valves, I don't think I need to replace the arm part of the valve.
When I spoke with Gateway a while ago, they told me they have something called a "high control valve" for 115 each, and suggested adding an adjustable link arm for another $16.
Does anyone have suggestions for my rig? I posted a picture of the rear valve here- http://cbabc.com/air/
Thanks, JT
------------------------
JT O'Neill
1975 Glenbrook
Newport, Oregon
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| Re: [GMCnet] rear air valves [message #277932 is a reply to message #277916] |
Sat, 16 May 2015 20:09  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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JT,
Contact Dave Lenzi:
http://www.bdub.net/lenzi/index.html
When you attempt to remove the valves the bolts will probably be rusted so spray them with penetrating oil profusely for several
days first then turn them slowly to try and not cause them to break off, seize, or cause the rivet nuts to turn in the wheel well.
I've looked at your photo and it appears that someone has already fabricated a mounting plate for the valve. If I am mistaken here's
a series of photos of the ones I made for Double Trouble in the USA.
If that does happen you will need to fabricate something like this:
http://www.gmcmhphotos.com/photos/double-trouble/p28376-ride-height-plates.html
http://www.gmcmhphotos.com/photos/double-trouble/p28375-ride-height-plates.html
http://www.gmcmhphotos.com/photos/double-trouble/p28377-ride-height-plates.html
Regards,
Rob M.
-----Original Message-----
From: JT O'Neill
I replaced my air compressor last month. Since then both sides rear air valves are leaking, as well as a leak up front. On the
rear air valves, I don't think I need to replace the arm part of the valve.
When I spoke with Gateway a while ago, they told me they have something called a "high control valve" for 115 each, and suggested
adding an adjustable link arm for another $16.
Does anyone have suggestions for my rig? I posted a picture of the rear valve here- http://cbabc.com/air/
Thanks, JT
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Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] rear air valves [message #277935 is a reply to message #277916] |
Sat, 16 May 2015 21:04 |
Dennis S
Messages: 3046
Registered: November 2005
Karma: 2
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Senior Member |
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JT O'Neill wrote on Sat, 16 May 2015 14:51I replaced my air compressor last month. Since then both sides rear air valves are leaking, as well as a leak up front. On the rear air valves, I don't think I need to replace the arm part of the valve.
When I spoke with Gateway a while ago, they told me they have something called a "high control valve" for 115 each, and suggested adding an adjustable link arm for another $16.
Does anyone have suggestions for my rig? I posted a picture of the rear valve here- http://cbabc.com/air/
Thanks, JT
------------------------
JT O'Neill
1975 Glenbrook
Newport, Oregon
_______________________________________________
JT
Did the leaks only start after the new compressor?
Where or how is the valve leaking?
I would do some more testing to determine what's going on before replacing parts.
Dennis
Dennis S
73 Painted Desert 230
Memphis TN Metro
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| Re: [GMCnet] rear air valves [message #277938 is a reply to message #277916] |
Sat, 16 May 2015 21:59 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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II do not see what replacing the compressor has to do with leaking ride height valves. That said, is it the valves leaking or the hose connections? The OEM connections were made out of plastic and many of them leak after 4o years. I replaced everyone of them in my coach and got rid of all of my air leaks. You can get the Parker brass replacements from some auto parts stores. They are used on truck air brakes. Mine at the time were around $1.50 each. NAPA also had them for $3.00 EACH.
If the valves themselves are leaking, Dave Lenzi has rebuilt ones and Applied GMC has new ones for $92.95.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] rear air valves [message #277939 is a reply to message #277932] |
Sat, 16 May 2015 22:29 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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Read here
http://gmcmotorhome.info/wireless.html
On Saturday, May 16, 2015, Robert Mueller wrote:
> JT,
>
> Contact Dave Lenzi:
>
> http://www.bdub.net/lenzi/index.html
>
> When you attempt to remove the valves the bolts will probably be rusted so
> spray them with penetrating oil profusely for several
> days first then turn them slowly to try and not cause them to break off,
> seize, or cause the rivet nuts to turn in the wheel well.
>
> I've looked at your photo and it appears that someone has already
> fabricated a mounting plate for the valve. If I am mistaken here's
> a series of photos of the ones I made for Double Trouble in the USA.
>
> If that does happen you will need to fabricate something like this:
>
>
> http://www.gmcmhphotos.com/photos/double-trouble/p28376-ride-height-plates.html
>
>
> http://www.gmcmhphotos.com/photos/double-trouble/p28375-ride-height-plates.html
>
>
> http://www.gmcmhphotos.com/photos/double-trouble/p28377-ride-height-plates.html
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: JT O'Neill
>
> I replaced my air compressor last month. Since then both sides rear air
> valves are leaking, as well as a leak up front. On the
> rear air valves, I don't think I need to replace the arm part of the valve.
>
> When I spoke with Gateway a while ago, they told me they have something
> called a "high control valve" for 115 each, and suggested
> adding an adjustable link arm for another $16.
>
> Does anyone have suggestions for my rig? I posted a picture of the rear
> valve here- http://cbabc.com/air/
>
>
> Thanks, JT
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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| Re: [GMCnet] rear air valves [message #278192 is a reply to message #277916] |
Fri, 22 May 2015 08:32 |
The Dr
Messages: 75
Registered: July 2014
Location: Toledo, OR
Karma: 0
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Member |
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JT,
Is yours the yellow Glenbrook in South Beach at the repair facility? I see it when headed to visit mine in storage just south of there. Maybe sometime we will get to meet.
Let me know if there is anything I can do to help. I am still pretty green, but learning as quick as I can. 
Mike Sauer
Toledo, OR
1975 26' Avion
1-ton front end, SullyBilt AirBag System, 3.21 tranny
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