Home » Public Forums » GMCnet » [GMCnet] Air Bag diagram
| [GMCnet] Air Bag diagram [message #170198] |
Sat, 19 May 2012 17:08  |
Dave Skowron
Messages: 46
Registered: March 2012
Karma: 0
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Member |
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Hi Everyone,
A few weeks ago, there was a diagram of the air-bag system floating
around the list. Does anyone have that still? I have my 76 Eleganza up
from Vegas finally, and I need to get the air bag system working. They
are detached from the air lines and I filled them manually to get the
coach up here. When I turn on the switches for the compressor, I hear
the relay back there activating, but I have no voltage to the compressor.
I have 8 million other questions also, but I want to get one thing done
at a time before I put her up for sale. So far, the only things that
don't work are the radio, windshield wipers and this air bag system.
My fuel consumption on this 250 mile trip was just over 5 miles to the
gallon. Woo-Hoo!
Thanks in advance!
--
Dave Skowron
Ely, NV
1976 Eleganza II
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| Re: [GMCnet] Air Bag diagram [message #170206 is a reply to message #170198] |
Sat, 19 May 2012 18:17  |
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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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Dave,
The best thing you can do is click on the link below and then download X-7625. Then go to SECTION 4 - REAR SUSPENSION. You will find
21 pages on the Electro Level I System.
http://www.bdub.net/factory-manuals.html
Regards,
Rob M.
-----Original Message-----
From: Dave Skowron
Hi Everyone,
A few weeks ago, there was a diagram of the air-bag system floating
around the list. Does anyone have that still? I have my 76 Eleganza up
from Vegas finally, and I need to get the air bag system working. They
are detached from the air lines and I filled them manually to get the
coach up here. When I turn on the switches for the compressor, I hear
the relay back there activating, but I have no voltage to the compressor.
I have 8 million other questions also, but I want to get one thing done
at a time before I put her up for sale. So far, the only things that
don't work are the radio, windshield wipers and this air bag system.
My fuel consumption on this 250 mile trip was just over 5 miles to the
gallon. Woo-Hoo!
Thanks in advance!
Dave
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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] Air Bag diagram [message #170291 is a reply to message #170198] |
Sun, 20 May 2012 11:14 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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here are a few hints
http://gmcmotorhome.info/list.html#Rear
and maybe here
http://gmcmotorhome.info/levelsch.htm#el
good luck
gene
On Sat, May 19, 2012 at 3:08 PM, Dave Skowron <flatpicks@gmail.com> wrote:
> Hi Everyone,
>
> A few weeks ago, there was a diagram of the air-bag system floating
> around the list. Does anyone have that still? I have my 76 Eleganza up
> from Vegas finally, and I need to get the air bag system working. They
> are detached from the air lines and I filled them manually to get the
> coach up here. When I turn on the switches for the compressor, I hear
> the relay back there activating, but I have no voltage to the compressor.
>
> I have 8 million other questions also, but I want to get one thing done
> at a time before I put her up for sale. So far, the only things that
> don't work are the radio, windshield wipers and this air bag system.
>
> My fuel consumption on this 250 mile trip was just over 5 miles to the
> gallon. Woo-Hoo!
>
> Thanks in advance!
> --
>
>
> Dave Skowron
> Ely, NV
> 1976 Eleganza II
> _______________________________________________
> 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] Air Bag diagram [message #170293 is a reply to message #170198] |
Sun, 20 May 2012 11:45 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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Mileage is low - normsl in my experience.. lot of hills, that isn't out of line. If the coach has been sitting, 'tuneup' will improvie it. Include all vacuum hoses in the tuneup.
--johnny
'76 23' transmode norris
'76 palm beach
From: Dave Skowron <flatpicks@gmail.com>
To: gmclist@temp.gmcnet.org
Sent: Saturday, May 19, 2012 6:08 PM
Subject: [GMCnet] Air Bag diagram
Hi Everyone,
A few weeks ago, there was a diagram of the air-bag system floating
around the list. Does anyone have that still? I have my 76 Eleganza up
from Vegas finally, and I need to get the air bag system working. They
are detached from the air lines and I filled them manually to get the
coach up here. When I turn on the switches for the compressor, I hear
the relay back there activating, but I have no voltage to the compressor.
I have 8 million other questions also, but I want to get one thing done
at a time before I put her up for sale. So far, the only things that
don't work are the radio, windshield wipers and this air bag system.
My fuel consumption on this 250 mile trip was just over 5 miles to the
gallon. Woo-Hoo!
Thanks in advance!
--
Dave Skowron
Ely, NV
1976 Eleganza II
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Air Bag diagram [message #170308 is a reply to message #170293] |
Sun, 20 May 2012 14:20 |
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ljdavick
Messages: 3548
Registered: March 2007
Location: Fremont, CA
Karma: -3
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Senior Member |
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Vacuum hoses! When my coach got to Tom Hampton's place it was one of the first things he noted. Make sure they are routed properly.
Sent from my iPad
On May 20, 2012, at 9:45 AM, Johnny Bridges <jhbridges@ymail.com> wrote:
> Mileage is low - normsl in my experience.. lot of hills, that isn't out of line. If the coach has been sitting, 'tuneup' will improvie it. Include all vacuum hoses in the tuneup.
>
>
> --johnny
> '76 23' transmode norris
> '76 palm beach
>
> From: Dave Skowron <flatpicks@gmail.com>
> To: gmclist@temp.gmcnet.org
> Sent: Saturday, May 19, 2012 6:08 PM
> Subject: [GMCnet] Air Bag diagram
>
> Hi Everyone,
>
> A few weeks ago, there was a diagram of the air-bag system floating
> around the list. Does anyone have that still? I have my 76 Eleganza up
> from Vegas finally, and I need to get the air bag system working. They
> are detached from the air lines and I filled them manually to get the
> coach up here. When I turn on the switches for the compressor, I hear
> the relay back there activating, but I have no voltage to the compressor.
>
> I have 8 million other questions also, but I want to get one thing done
> at a time before I put her up for sale. So far, the only things that
> don't work are the radio, windshield wipers and this air bag system.
>
> My fuel consumption on this 250 mile trip was just over 5 miles to the
> gallon. Woo-Hoo!
>
> Thanks in advance!
> --
>
>
> Dave Skowron
> Ely, NV
> 1976 Eleganza II
> ______________________________________________
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy
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| Re: [GMCnet] Air Bag diagram [message #170311 is a reply to message #170198] |
Sun, 20 May 2012 16:00 |
idrob
Messages: 645
Registered: January 2005
Location: Central Idaho
Karma: 0
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Senior Member |
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| Dave Skowron wrote on Sat, 19 May 2012 15:08 |
Hi Everyone,
A few weeks ago, there was a diagram of the air-bag system floating
around the list. Does anyone have that still?
Dave Skowron
Ely, NV
1976 Eleganza II
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You will be looking for information on the "Electro Level" system which is the second generation one used in the late 76 rigs.
Rob Allen
former owner of '76 x-PB
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| Re: [GMCnet] Air Bag diagram [message #170350 is a reply to message #170286] |
Sun, 20 May 2012 21:58 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Senior Member |
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| Dave Skowron wrote on Sun, 20 May 2012 08:52 |
Thank you for your reply. I have gotten the air pump working. The lines
are disconnect from the bags, and in their place are simple filler
valves like on a tire. I am trying to figure out why the PO did this.
Forensic Auto Troubleshooting is no fun!
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It could have been something simple as to why the "tank valves" were installed.
For example: When picking up my '77 my goal was to just get it home. before taking down off the blocks it had been on for about 5 years, I noticed the connectors at the airbags were plastic. Not wanting to trust the old brittle plastic, I just installed 1/4" tank valves from ACE hardware directly into the airbag. (Actually I used 1/8" with adapters to fit... that ACE (Mohab UT) was out of stock on the 1/4" size.) I still haven't actually tried the Electro-Level (1) system...
With a 1976 you could have either the Power Level (with control knobs/valves) or the Electro Level (control switches) system. Both have a fairly reliable pneumatic height sensor in each wheel well --- with quite a few air lines. (aka possible leak points...)
Rick Denny posted a very good procedure for trouble shooting the systems. I believe it had steps and gave possible issues and fixes for each step. The steps were something like:
1.) Get the airbags to hold air.
2.) Get the system to hold air when on HOLD.
3.) Get the system to self adjust (and not leak air) when in TRAVEL.
4.) Adjust the system to provide the correct ride height.
You can not do something lower on the list without having the steps above it being good.
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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