6066 (1960-1966) GMC Truck Club

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-   -   GMC 1962 Delux heater core, external valve (https://6066gmcclub.com/showthread.php?t=49687)

Sponge October 30th, 2016 08:13 PM

GMC 1962 Delux heater core, external valve
 
6 Attachment(s)
Guys,

I flushed my coolant circuit and my heat core is clogged so I'd like to replace it.
Issue is the small shut off valve can't be bought I believe so any good plan to buy the correct heater core and I'll add an Eternal shut off valve.

Does it make sense?

Thanks;


Dylan

GMCDAC October 30th, 2016 09:33 PM

Re: GMC 1962 Delux heater core, external valve
 
1 Attachment(s)
Wish you were closer, I have one from a '62 Chevy Suburban that looks the same. I appreciate your pics because I have been wondering if GMC and Chevy used the same one.

DAC

James November 1st, 2016 01:00 AM

Re: GMC 1962 Delux heater core, external valve
 
That look like a thermostatically control valve (temp control valve). Years ago I had the same problem in one of my old car and I found someone in Hemming Motor News that would overhaul them. I had sent mine to him and it came back looking and operating like new. That might be a good place to look to see if there is still someone that overhaul these valves.

Sponge December 21st, 2016 05:59 PM

Re: GMC 1962 Delux heater core, external valve
 
2 Attachment(s)
At the end, i could not find a company to rebuild it.

I purchased a new heater core which was supposed to fit but it did not....
I had it modified and after very soft trimming, it fits perfectly the heater box.

I put a manual valve to close the circuit during summer but this **** valve, although brand new, leaks already. :banghead:


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