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Home » Public Forums » GMCnet » Need Help Finding Where To Connect The Other End Of The Cruise Control Vacuum Line (Don't Even Know Where To Start Looking)
Need Help Finding Where To Connect The Other End Of The Cruise Control Vacuum Line [message #250234] Tue, 20 May 2014 22:04 Go to next message
A Hamilto is currently offline  A Hamilto   United States
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Registered: April 2011
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I took the breather off to make sure there were no critter nests under it, and when I did, the pipe that feeds the breather hot air from the exhaust manifold fell off and when I crawled underneath to retrieve it, I noticed a rubber tube dangling. I think it is for the cruise control. The length seems to point to someplace near the front of the engine, but there is a lot of "enginage" up there and I don't have x-ray vision.

Does it attach to the carb, or the manifold, or does it tee into another line?

Is there a picture on the photo site that someone can point me to?

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Re: [GMCnet] Need Help Finding Where To Connect The Other End Of The Cruise Control Vacuum Line [message #250235 is a reply to message #250234] Tue, 20 May 2014 22:31 Go to previous messageGo to next message
Mr ERFisher is currently offline  Mr ERFisher   United States
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Is this what you need?
http://www.gmcmhphotos.com/photos/tvs-and-vacuum/p3340.html

Erf

On Tuesday, May 20, 2014, A. wrote:

> I took the breather off to make sure there were no critter nests under it,
> and when I did, the pipe that feeds the breather hot air from the exhaust
> manifold fell off and when I crawled underneath to retrieve it, I noticed
> a rubber tube dangling. I think it is for the cruise control. The length
> seems to point to someplace near the front of the engine, but there is a
> lot of "enginage" up there and I don't have x-ray vision.
>
> Does it attach to the carb, or the manifold, or does it tee into another
> line?
>
> Is there a picture on the photo site that someone can point me to?
> --
> '73 23' Sequoia For Sale
> '73 23' CanyonLands For Sale
> Upper Alabama
>
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> GMCnet mailing list
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Re: [GMCnet] Need Help Finding Where To Connect The Other End Of The Cruise Control Vacuum Line [message #250239 is a reply to message #250235] Tue, 20 May 2014 23:43 Go to previous messageGo to next message
A Hamilto is currently offline  A Hamilto   United States
Messages: 4508
Registered: April 2011
Karma: 39
Senior Member
Mr ERFisher wrote on Tue, 20 May 2014 22:31
Is this what you need?
http://www.gmcmhphotos.com/photos/tvs-and-vacuum/p3340.html

Erf
Not quite. I am looking for the connection point of the other end of the tube that comes off the back of the servo. The figure in the MM shows something that looks like a check valve, but not sure. Is the line off the back of the servo the one that goes to the vacuum dump switch in the cockpit?

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Re: [GMCnet] Need Help Finding Where To Connect The Other End Of The Cruise Control Vacuum Line [message #250276 is a reply to message #250239] Wed, 21 May 2014 17:13 Go to previous messageGo to next message
Bob de Kruyff   United States
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Registered: January 2004
Location: Chandler, AZ
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A Hamilto wrote on Tue, 20 May 2014 22:43
Mr ERFisher wrote on Tue, 20 May 2014 22:31
Is this what you need?
http://www.gmcmhphotos.com/photos/tvs-and-vacuum/p3340.html

Erf
Not quite. I am looking for the connection point of the other end of the tube that comes off the back of the servo. The figure in the MM shows something that looks like a check valve, but not sure. Is the line off the back of the servo the one that goes to the vacuum dump switch in the cockpit?

Yes

Bob de Kruyff
78 Eleganza
Chandler, AZ

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Re: [GMCnet] Need Help Finding Where To Connect The Other End Of The Cruise Control Vacuum Line [message #250287 is a reply to message #250276] Wed, 21 May 2014 19:45 Go to previous message
A Hamilto is currently offline  A Hamilto   United States
Messages: 4508
Registered: April 2011
Karma: 39
Senior Member
Bob de Kruyff wrote on Wed, 21 May 2014 17:13
A Hamilto wrote on Tue, 20 May 2014 22:43
Mr ERFisher wrote on Tue, 20 May 2014 22:31
Is this what you need?
http://www.gmcmhphotos.com/photos/tvs-and-vacuum/p3340.html

Erf
Not quite. I am looking for the connection point of the other end of the tube that comes off the back of the servo. The figure in the MM shows something that looks like a check valve, but not sure. Is the line off the back of the servo the one that goes to the vacuum dump switch in the cockpit?

Yes
I will start looking for the check valve, or whatever that gizmo is on the drawing.

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