Home » Public Forums » GMCnet » Required air pressure for quad bag rear suspension
Re: [GMCnet] Required air pressure for quad bag rear suspension [message #329346 is a reply to message #329344] |
Tue, 20 February 2018 19:39 |
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USAussie
Messages: 15912 Registered: July 2007 Location: Sydney, Australia
Karma:
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Senior Member |
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Terry,
Jim K sells rebuild kits for the OEM Powerlevel valves:
http://www.appliedgmc.com/prod.itml/icOid/953
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Terry
Sent: Wednesday, February 21, 2018 12:31 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Required air pressure for quad bag rear suspension
The GMC right side used to fall down at 15 degrees F. This was when I winterized it and allowed it to get cold inside as well. It
was 23 degrees
inside when it was 15 outside. Before I put a block under the right rear, I learned valuable lesson about door not opening enough
for me to get in and
correct the situation :lol: Could not find leak after pumping system back up while running engine and compressor. Surmised it was
the supply line to
the right bag, and the control valve also leaking system air to the bag when there was enough pressure differential. Bags and system
held up all the
rest of the year. Found problems next temp drop(using leak check that doesn't freeze)...PLASTICS...did not warm up engine or
interior, used external
compressor for air in system. In addition to the internal valve leak, the plastic hose compression type connection for the right bag
leaked when it
got that cold. Fixed the hose with warmth followed with a little bit of disassembly and rework. Still haven't found the rebuild kit
for the valves,
but was informed of JR's replacements. I'm too cheap right now for new valves, and have further system mods being added on which may
get incorporated
into that system. There are some compression unions under the coach that didn't leak back then, but after they got blasted with
exhaust leakage last
summer (muffler explosion) they leaked to the point that the system only stayed up for about 15 minutes. Was able to stop leakage by
tightening, but
reworked 2 of the connections to be sure. Those connections are not supposed to be there, I can tell by the way the hoses ended up
being routed. Muff
explosion due to ignition cutoff from electrical spike must have happened to the P.O. also :? The temperature changes really affect
the plastics...all
of them...
--
Terry Kelpien
ASE Master Technician
73 Glacier 260
Smithfield, Va.
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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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Required air pressure for quad bag rear suspension
By: gibsongo on Tue, 06 February 2018 09:10
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Re: Required air pressure for quad bag rear suspension
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Re: Required air pressure for quad bag rear suspension
By: gibsongo on Tue, 06 February 2018 09:48
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: jimk on Tue, 06 February 2018 09:45
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Re: Required air pressure for quad bag rear suspension
By: Larry on Tue, 06 February 2018 09:58
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Re: Required air pressure for quad bag rear suspension
By: gibsongo on Tue, 06 February 2018 10:01
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Re: Required air pressure for quad bag rear suspension
By: gibsongo on Tue, 06 February 2018 10:09
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: Required air pressure for quad bag rear suspension
By: Larry on Tue, 06 February 2018 11:01
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: USAussie on Tue, 06 February 2018 15:42
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: Carl S. on Tue, 06 February 2018 16:09
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: USAussie on Tue, 06 February 2018 16:49
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Re: Required air pressure for quad bag rear suspension
By: RF_Burns on Tue, 06 February 2018 17:37
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Re: Required air pressure for quad bag rear suspension
By: gibsongo on Tue, 06 February 2018 22:52
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Re: Required air pressure for quad bag rear suspension
By: RF_Burns on Wed, 07 February 2018 05:58
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Re: Required air pressure for quad bag rear suspension
By: Larry on Wed, 07 February 2018 08:10
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: k2gkk on Wed, 07 February 2018 09:50
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: Larry on Wed, 07 February 2018 10:16
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: johnd01 on Wed, 07 February 2018 12:16
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: Required air pressure for quad bag rear suspension
By: JohnL455 on Wed, 07 February 2018 08:02
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Re: Required air pressure for quad bag rear suspension
By: 77Royale on Wed, 07 February 2018 08:31
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Re: Required air pressure for quad bag rear suspension
By: TR 1 on Wed, 07 February 2018 08:48
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Re: Required air pressure for quad bag rear suspension
By: gibsongo on Thu, 15 February 2018 19:28
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Re: Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: jimk on Fri, 16 February 2018 12:03
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Re: Required air pressure for quad bag rear suspension
By: gibsongo on Fri, 16 February 2018 20:48
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Re: Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: jimk on Sat, 17 February 2018 11:00
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: k2gkk on Sat, 17 February 2018 14:54
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: jimk on Sun, 18 February 2018 12:42
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: jimk on Tue, 20 February 2018 20:24
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: jimk on Wed, 21 February 2018 00:14
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: bdub on Wed, 21 February 2018 06:12
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Re: [GMCnet] Required air pressure for quad bag rear suspension
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Re: [GMCnet] Required air pressure for quad bag rear suspension
By: USAussie on Tue, 20 February 2018 19:39
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Re: Required air pressure for quad bag rear suspension
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