Home » Public Forums » GMCnet » Shrader valves
| Shrader valves [message #354731] |
Sat, 16 May 2020 10:24  |
Wardhill
Messages: 63
Registered: May 2019
Location: West Baldwin, Maine
Karma: -1
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I need to get to the shrader valve on my air bag suspension which I believe I need to remove the t skirts to get to the valve. Can I just undo the two top screws and pull the skirts back?
Jeffrey Fleming
1976 edgemonte
Living in Maine
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| Re: Shrader valves [message #354732 is a reply to message #354731] |
Sat, 16 May 2020 10:55  |
Green machine
Messages: 184
Registered: July 2019
Location: North Vancouver BC
Karma: 5
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Short answer is, yes. But only a couple more screws/bolts and you will be free of all encumbrances.
Shawn Harris
North Vancouver,
Canada
1977 Palm Beach 403
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| Re: Shrader valves [message #354738 is a reply to message #354731] |
Sat, 16 May 2020 14:35 |
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Richard RV
Messages: 631
Registered: July 2012
Location: Full-timer for 12 years, ...
Karma: -17
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Jeffery,
The T-skirt is held on by those two top screws and the flexible attachment at the bogey mounting box. It's usually easiest to remove the bottom attachment by removing the one bolt that holds that flexible attachment to the top of the bogey box.
People ask questions because they don't know the answer and are outside their comfort zone. If you have a question, ask it.
Richard
'77 Birchaven TZE...777;
'76 Palm Beach under construction;
‘76 Edgemont waiting its turn
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| Re: Shrader valves [message #354769 is a reply to message #354738] |
Sat, 16 May 2020 23:20 |
Green machine
Messages: 184
Registered: July 2019
Location: North Vancouver BC
Karma: 5
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Senior Member |
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Richard RV wrote on Sat, 16 May 2020 14:35Jeffery,
The T-skirt is held on by those two top screws and the flexible attachment at the bogey mounting box. It's usually easiest to remove the bottom attachment by removing the one bolt that holds that flexible attachment to the top of the bogey box.
People ask questions because they don't know the answer and are outside their comfort zone. If you have a question, ask it.
Richard
Exactly. Even the simplest of things can seem complicated if you've never done it. Also, mechanical skill levels should be considered...
Shawn Harris
North Vancouver,
Canada
1977 Palm Beach 403
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| Re: Shrader valves [message #354779 is a reply to message #354769] |
Sun, 17 May 2020 08:31 |
Wardhill
Messages: 63
Registered: May 2019
Location: West Baldwin, Maine
Karma: -1
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Thanks everyone I figured it out.sorry for the stupid question but I didn’t want to break anything
Jeffrey Fleming
1976 edgemonte
Living in Maine
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| Re: Shrader valves [message #354781 is a reply to message #354779] |
Sun, 17 May 2020 08:41 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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In my opinion, there are no stupid questions here as long as they have something to do with a GMC. If you have never done it before, and in my case even if you have done it before and forgot how, then ask away.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: Shrader valves [message #354785 is a reply to message #354731] |
Sun, 17 May 2020 10:23 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Jeffery,
You do know that most of us here were born knowing everything about GMCs that we needed to know - Right? 
All seriousness aside, you asked a question because you were unsure. Because you didn't just jump in and break something, you have nothing else to repair and no parts to locate. That is about as good as it gets.
This is an open forum (anybody can read it). There are even some owners that read this forum but never ask a question. So, when we answer your "stupid" question, there is no way to know how many others just got their question answered. This was driven home for me at an international years ago. Someone was there and he looked at my nametag and I could see that it brought him to a short halt. He then told be that he had read something I wrote, but was hoping for a clarification about something. I was fine with that, but I also asked why he didn't ask for that here.... He just shrugged. He sure could have.
Be aware that many that write here have so much experience that they (well, coach-wise I am way behind them) tend to skip some points that might matter to someone with less experience. So, if you get an answer that you don't completely understand, SAY SO. Add it to the thread.
This group is clearly not the norm for RV owners. GMCs just don't attract people that don't feel they need to understand things. If you want a to see this, I recommend reading entries over at <rvforum.net> and <ir2.com> and don't have anything there to drink that might be uncomfortable to snort out your nose....
I really mean questions like:
"Why do the A/C and microwave stop when we unplug from shore power?"
"Do I have to check the pressure of both rear tires?" (He was referring to duals.)
"I can't keep the lights on unless I run the engine."
So, please keep trying to ask stupid questions.
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: Shrader valves [message #354801 is a reply to message #354785] |
Sun, 17 May 2020 15:09 |
Wardhill
Messages: 63
Registered: May 2019
Location: West Baldwin, Maine
Karma: -1
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Lol thank you Matt. I’m sure I got plenty of them, but I appreciate your kind and encouraging words. I tend to like doing my own car repairs , mostly of German decent, so this ride can be somewhat daunting. My drivers side airbag is behaving like others I’ve had experience with ,Audi all road and range rover , in that when it gets beyond a certain deflation point it’s very difficult to inflate . Had them both fully inflated yesterday . Finished them off with coach compressor and all seemed well . Drivers side was down flat this am. Guessing it’s time to replace
Jeffrey Fleming
1976 edgemonte
Living in Maine
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| Re: [GMCnet] Shrader valves [message #354802 is a reply to message #354801] |
Sun, 17 May 2020 15:37 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Jeffery, get a bottle of childs bubble stuff, put it into a spray bottle.
Inflate the bags by the Schrader valves and then turn off the valves. This
isolates the leak source to the bags and fittings. Spray the exterior with
the bubble stuff, and watch for bubbles. Places to be watchful are the
Schrader valves, their pipe fittings, and where the air line screws into
the bag. Let us know what you find, and we can go from there.
Jim Hupy
Salem, Oregon
On Sun, May 17, 2020, 1:10 PM Jeffrey Fleming via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Lol thank you Matt. I’m sure I got plenty of them, but I appreciate your
> kind and encouraging words. I tend to like doing my own car repairs ,
> mostly of German decent, so this ride can be somewhat daunting. My drivers
> side airbag is behaving like others I’ve had experience with ,Audi all
> road and range rover , in that when it gets beyond a certain deflation
> point it’s very difficult to inflate . Had them both fully inflated
> yesterday
> . Finished them off with coach compressor and all seemed well . Drivers
> side was down flat this am. Guessing it’s time to replace
> --
> Jeffrey Fleming
> 1976 edgemonte
> Living in Maine
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] Shrader valves [message #354803 is a reply to message #354802] |
Sun, 17 May 2020 15:41 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Jeffery,
You need to understand there were many people reading your question and
learned from it.
Youll find me asking questions than lot consider basic, but that is how I
Know the better answer and not some BS comment.
On Sun, May 17, 2020 at 1:31 PM James Hupy via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Jeffery, get a bottle of childs bubble stuff, put it into a spray bottle.
> Inflate the bags by the Schrader valves and then turn off the valves. This
> isolates the leak source to the bags and fittings. Spray the exterior with
> the bubble stuff, and watch for bubbles. Places to be watchful are the
> Schrader valves, their pipe fittings, and where the air line screws into
> the bag. Let us know what you find, and we can go from there.
> Jim Hupy
> Salem, Oregon
>
> On Sun, May 17, 2020, 1:10 PM Jeffrey Fleming via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> Lol thank you Matt. I’m sure I got plenty of them, but I appreciate your
>> kind and encouraging words. I tend to like doing my own car repairs ,
>> mostly of German decent, so this ride can be somewhat daunting. My
> drivers
>> side airbag is behaving like others I’ve had experience with ,Audi all
>> road and range rover , in that when it gets beyond a certain deflation
>> point it’s very difficult to inflate . Had them both fully inflated
>> yesterday
>> . Finished them off with coach compressor and all seemed well . Drivers
>> side was down flat this am. Guessing it’s time to replace
>> --
>> Jeffrey Fleming
>> 1976 edgemonte
>> Living in Maine
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: Shrader valves [message #354818 is a reply to message #354801] |
Sun, 17 May 2020 21:53 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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Please do not be in a hurry to replace that air bag. There are lots of other places where the leak could be in the air system. While diagnosing the leak, air it up and put a block of wood (A stack of 4x4 or 2x4 cutoffs a foot long or so would do) under the bogie to keep the coach from going all the way down when the air leaks out. As Jim Hupy said in his previous post, isolate the bag from the rest of air system, air it up, and go after the leak with soap bubbles. Once you find the leak, we can talk about how to fix it.
Ken B.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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