| Re: [GMCnet] air suspension hose connections [message #156693] |
Sat, 14 January 2012 16:24  |
sgltrac
Messages: 2797
Registered: April 2011
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If you are speaking of the adaptor from the air line to the fill port of the air bag, you can also go to home depot or lowes. It is 3/8" pipe to 1/4" compression.
Sully
77 royale
------Original Message------
From: tom geiger
Sender: gmclist-bounces@temp.gmcnet.org
To: gmclist@temp.gmcnet.org
ReplyTo: gmclist@temp.gmcnet.org
Subject: [GMCnet] air suspension hose connections
Sent: Jan 14, 2012 2:05 PM
I'm in need of replacing the hose connection fittings at the rear suspension. I've got a 76 Eleganza II and the main hose feed connection at the the rear suspension system seems to be made out of plastic. One sides connection has split and is leaking air. Is there replacement hardware for those connections that are out of metal? Where would I get them?
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: [GMCnet] air suspension hose connections [message #158312 is a reply to message #156693] |
Sat, 28 January 2012 13:59  |
tgeiger
Messages: 518
Registered: February 2006
Location: kansas city
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Ok, found a compression fitting that worked on replacing the original plastic fiitings. It seems to have a slow air leak. How do you guys seal it up...is is a plastic compression washer rather than brass or is it teflon tape on the threads?
Tom Geiger
76 Eleganza II
KCMO
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| Re: [GMCnet] air suspension hose connections [message #158318 is a reply to message #156693] |
Sat, 28 January 2012 16:13 |
GeorgeRud
Messages: 1380
Registered: February 2007
Location: Chicago, IL
Karma: 0
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Is there any difference between the fittings found at Lowe's, etc. and the DOT approved ones? I assumed that you'd be best served to use the DOT approved fittings and hose, though I think those are manufactured for truck air brakes more than for airbags. I'm not sure, but always try to be careful.
George Rudawsky
Chicago, IL
75 Palm Beach
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| Re: [GMCnet] air suspension hose connections [message #158330 is a reply to message #158318] |
Sat, 28 January 2012 17:33 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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George,
There are a number of different types of fittings manufactured which are approved by the DOT for truck air brakes. Search the Forum
for: "Rear Suspension Tubing, Fittings, and Valves."
I guess you'd have to have compare the DOT approved and Lowes fitting side by side to see if there were any differences.
I have NEVER seen a fitting at any hardware store that has the stainless steel sleeve that slips into the ID of the nylon tubing.
I did have a line on Double Trouble blow out of a fitting, it did not have the tube inserted in the line.
Regards,
Rob M.
-----Original Message-----
From: George Rudawsky
Is there any difference between the fittings found at Lowe's, etc. and the DOT approved ones? I assumed that you'd be best served
to use the DOT approved fittings and hose, though I think those are manufactured for truck air brakes more than for airbags. I'm
not sure, but always try to be careful.
George
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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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| Re: [GMCnet] air suspension hose connections [message #158337 is a reply to message #158318] |
Sat, 28 January 2012 18:48 |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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On Jan 28, 2012, at 3:13 PM, George Rudawsky wrote:
>
>
> Is there any difference between the fittings found at Lowe's, etc. and the DOT approved ones? I assumed that you'd be best served to use the DOT approved fittings and hose, though I think those are manufactured for truck air brakes more than for airbags. I'm not sure, but always try to be careful.
>
>
Yes, there is a difference but before I knew better and before there was a GMCnet back about 1984, I got the idea to replace my leaky plastic fittings with 1/4" copper tubing compression fittings using the plastic rings and the brass inserts.
They have been in now for about 28 years now and haven't leaked yet - but PLEASE don't tell the fittings that they are not sfae because they might give up and start to leak!
Emery Stora
77 Kingsley
Santa Fe, NM
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| Re: [GMCnet] air suspension hose connections [message #158343 is a reply to message #158328] |
Sat, 28 January 2012 19:22 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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| Robert Mueller wrote on Sat, 28 January 2012 18:24 |
-----Original Message-----
From: Matt Colie
Be very careful with teflon tape. I happen to like it, but if shards get loose into the system, it will be a nightmare. Better to use paste containing teflon. If you have to use teflon tape leave the first two threads uncovered. If you take apart an air fitting where there is evidence to teflon tape, make very sure to remove all traces from the female threads. I didn't buy the picture and the T-shirt wore out long ago.
Matt
Matt,
I'm confused!
You're not suggesting to use Teflon tape / liquid on anything other than pipe threads are you?
Regards,
Rob M.
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Rob,
Actually I was not, Tom Geiger had the questions so knit that I thought he was asking how to put the new brass fitting in where ever it goes. Flakes of teflon tape will be a problem in lots of places.
But have I done so?
Oh yes, when one is miles offshore and things are leaking, you use what you have.
Have I used a ball of teflon tape to replace a cracked wedding ring in a fuel line? - Yes...
Did I wrap some over the copper washer on a fuel filter to get it to stop sucking air? - Yes
I also got the body gasket of a Power Level valve to stop leaking by coating it with telfon thread sealant. After 4 years, I may have to do it again, the old girl is squatting.
This could go on, but I'm out of beer....
Did you know that some of the Olds Diesels had headbolts tapped into the jacket?? Those you did have to coat with a teflon paste sealant before installing.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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| Re: [GMCnet] air suspension hose connections [message #158353 is a reply to message #158343] |
Sat, 28 January 2012 20:21 |
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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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Matt,
That's what I thunk!
As far as the other repairs go I'll continue the sailing theme and note:
Any port in a storm!
Regards,
Rob M.
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Matt Colie
Robert Mueller wrote on Sat, 28 January 2012 18:24
> -----Original Message-----
> From: Matt Colie
> Matt,
>
> I'm confused!
>
> You're not suggesting to use Teflon tape / liquid on anything other than pipe threads are you?
>
> Regards,
> Rob M.
Rob,
Actually I was not, Tom Geiger had the questions so knit that I thought he was asking how to put the new brass fitting in where ever
it goes. Flakes of teflon tape will be a problem in lots of places.
But have I done so?
Oh yes, when one is miles offshore and things are leaking, you use what you have.
Have I used a ball of teflon tape to replace a cracked wedding ring in a fuel line? - Yes...
Did I wrap some over the copper washer on a fuel filter to get it to stop sucking air? - Yes
I also got the body gasket of a Power Level valve to stop leaking by coating it with telfon thread sealant. After 4 years, I may
have to do it again, the old girl is squatting.
This could go on, but I'm out of beer....
Did you know that some of the Olds Diesels had headbolts tapped into the jacket?? Those you did have to coat with a teflon paste
sealant before installing.
Matt
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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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