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Radiator Low Coolant sensor [message #176517]

Thu, 12 July 2012 18:32

cbwoodsr

Messages: 1063
Registered: February 2004

Karma: 0

Senior Member

Does anyone have one of these? The one on JimK's site doesnt look like it will work. This is for a new aluminum radiator..
Am replacing the wire from pass side to sensor, also need to know what kind on connector it uses..
My current one just looks like a thermostat connection with a pipe plug in the center
(Pictures are appreciated)

Thankx

CBWood
77 Kingslay
MWC OK
ONLINE PARTS PROGRAM
www.GMCMHParts.com

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Re: Radiator Low Coolant sensor [message #176535 is a reply to message #176517]

Thu, 12 July 2012 20:48

shawnee

Messages: 422
Registered: February 2004
Location: NC

Karma: 0

Senior Member

cbwoodsr wrote on Thu, 12 July 2012 19:32

CB,

That opening on the drivers side of the radiator serves one of two purposes. It is a threaded port for the heater discharge when using a Cadillac engine and where the plug in the center of the adapter can also for the coolant sensor on the later models of the GMC. You can't use it for both.

Gene Dotson
74 Canyonlands
www.bdub.net/Motorhome_Enhancements New Windows and Aluminum Radiators

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Re: [GMCnet] Radiator Low Coolant sensor [message #176541 is a reply to message #176535]

Thu, 12 July 2012 21:31

Kosier

Messages: 834
Registered: February 2008

Karma: 1

Senior Member

Gene,

No, no, no. You should not run the heater return to the high pressure side
of the radiator. Return to the suction side of the pump. With my Cadillac,
I put the return into the middle of the lower hose.

Gary Kosier

-----Original Message-----
From: Gene Dotson
Sent: Thursday, July 12, 2012 9:48 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Radiator Low Coolant sensor

That opening on the drivers side of the radiator serves one of two purposes.
It is a threaded port for the heater discharge when using a Cadillac engine
and where the plug in the center of the adapter can also for the coolant
sensor on the later models of the GMC. You can't use it for both.
--
Gene Dotson
74 Canyonlands
www.bdub.net/Motorhome_Enhancements New Windows and Aluminum Radiators
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Re: Radiator Low Coolant sensor [message #176651 is a reply to message #176535]

Fri, 13 July 2012 17:38

cbwoodsr

Messages: 1063
Registered: February 2004

Karma: 0

Senior Member

Gene
Since I have a 77 455, I'm not worried about hooking up a Caddy eng Smile

, but would really like to have a low water sensor; what and where can I get one??
also since I dont have a sensor, would like to know what kind of terminal to put on the end of the new wire I just ran..

Thankx

CBWood
77 Kingslay
MWC OK
ONLINE PARTS PROGRAM
www.GMCMHParts.com

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Re: Radiator Low Coolant sensor [message #176672 is a reply to message #176651]

Fri, 13 July 2012 20:42

shawnee

Messages: 422
Registered: February 2004
Location: NC

Karma: 0

Senior Member

cbwoodsr wrote on Fri, 13 July 2012 18:38

Gene
Since I have a 77 455, I'm not worried about hooking up a Caddy eng Smile

CB,

I don't use a coolant sensor since my coach is a 1974 and really don't need one. I keep a close eye on the coolant level in the coolant plastic tank. The level hot and cold doesn't seem to ever change but if it did that would have me looking for a leak and I would bring the level back to normal until I could find the leak. I think Jim Kanamata has a low coolant sensor in his einventory though.

Gene Dotson
74 Canyonlands
www.bdub.net/Motorhome_Enhancements New Windows and Aluminum Radiators

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Re: Radiator Low Coolant sensor [message #176676 is a reply to message #176672]

Fri, 13 July 2012 21:52

cbwoodsr

Messages: 1063
Registered: February 2004

Karma: 0

Senior Member

Will it fit y'alls aluminum radiator tho???

CBWood
77 Kingslay
MWC OK
ONLINE PARTS PROGRAM
www.GMCMHParts.com

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Re: Radiator Low Coolant sensor [message #176694 is a reply to message #176676]

Sat, 14 July 2012 10:25

shawnee

Messages: 422
Registered: February 2004
Location: NC

Karma: 0

Senior Member

cbwoodsr wrote on Fri, 13 July 2012 22:52

Will it fit y'alls aluminum radiator tho???

CB,

I am not sure of his size but will be 1/8 or 1/4 inch. You have 1/8 plug on the radiator. If his is 1/4 inch we can send you another adapter 1/2 by 1/4 inch at no charge.

Gene Dotson
74 Canyonlands
www.bdub.net/Motorhome_Enhancements New Windows and Aluminum Radiators

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