| heater core shut off valve/ [message #275734] |
Sun, 12 April 2015 23:11  |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
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I can't find any reference to the heater core water shut-off valve in the Interchange manual. I might be looking right at it. Any suggestions on interchange parts? And no, I don't care about opinions on manual valves or any of that stuff.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] heater core shut off valve/ [message #275781 is a reply to message #275778] |
Mon, 13 April 2015 11:44  |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
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emerystora wrote on Mon, 13 April 2015 10:18
> On Apr 12, 2015, at 10:11 PM, Bob de Kruyff wrote:
>
> I can't find any reference to the heater core water shut-off valve in the Interchange manual. I might be looking right at it. Any suggestions on
> interchange parts? And no, I don't care about opinions on manual valves or any of that stuff.
> --
> Bob de Kruyff
> 78 Eleganza
> Chandler, AZ
In the GMCMI Spring 2014 Parts Interchange Index it is in the section Heater & Air Cond. and it is called a Heater Temperature Valve. Its on page 23. There are 7 parts listed in addition to the original GM parts number.
Emery Stora
77 Kingsley
Frederick, CO
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I thought that would be it but when I brought up the Napa numbers, I got the vacuum selector in the dash control. I stopped at that point but should check the rest.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] heater core shut off valve/ [message #275855 is a reply to message #275840] |
Tue, 14 April 2015 08:13 |
powwerjon
Messages: 849
Registered: March 2013
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As for a heater core shut off valve this is what I use to shut off coolant flow during the summer.
http://www.gmcmhphotos.com/photos/general-pictures/p50068-heater-shutoff-valve-with-58-26quot-3b-hose.html
http://www.gmcmhphotos.com/photos/general-pictures/p50071-heater-shutoff-valve-with-58-26quot-3b-hose.html
http://www.gmcmhphotos.com/photos/general-pictures/p50074-heater-shutoff-valve-with-58-26quot-3b-hose.html
J.R. Wright
30' Buskirk Stretch
Michigan
On Location in Albuquerque
> On Apr 13, 2015, at 10:42 PM, Bob de Kruyff wrote:
>
> USAussie wrote on Mon, 13 April 2015 18:00
>> John,
>>
>> Oh oh! I may have screwed up by installing the valve I did! I have received a private email noting the same thing!
>>
>> Do not follow my lead and install one of the AutoZone valves I listed as I don't know if it is spring loaded open or closed and I
>> can't check as I am in Sydney and Double Trouble is in Humble.
>>
>> If someone could get their hands on one at an AutoZone store and compare it to the OEM that would be great!
>>
>> I apologize for misleading everyone!
>>
>> Regards,
>> Rob M.
>>
>> -----Original Message-----
>> From: John R. Lebetski
>>
>> It defaults to open so defroster will work and not cause crash. Max and/or cold selector applies vac to shut off hot coolant (If I
>> have this
>> backwards, I'm loosin' it :))
>> --
>> John
>>
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>
> From what I can tell, the valve is right but you are wrong :) Checker sells the same unit and has a better description on line. I think almost all
> units default to open with no vacuum. Thanks for the info Rob.
> --
> Bob de Kruyff
> 78 Eleganza
> Chandler, AZ
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| Re: heater core shut off valve/ [message #275884 is a reply to message #275734] |
Tue, 14 April 2015 17:23 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
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Bob this same valve is used on other GM cars. One is the 80's Turbo Regals. My friend Glen has them at Www.highwaystars.net. Genuine ACDelco.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: heater core shut off valve/ [message #275887 is a reply to message #275884] |
Tue, 14 April 2015 17:52 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
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JohnL455 wrote on Tue, 14 April 2015 16:23Bob this same valve is used on other GM cars. One is the 80's Turbo Regals. My friend Glen has them at Www.highwaystars.net. Genuine ACDelco.
The last time I replaced mine (maybe 10 years ago) I took what was on it and had a guy at Autozone rummage around to find one with the same size and configuration of the hose fittings. I recall it was off a Ford. These days hardly anyone behind the counter will do that anymore so I thought I'd try to get a head start 
Bob de Kruyff
78 Eleganza
Chandler, AZ
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