Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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DwFinch Offline OP
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The Blower works but no heat. The heater hoses are hooked up and no leaks.

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Do both hoses get hot or only the one off the thermostat housing? If only one gets hot I would think the heater core is plugged. Do you have a thermostat and is it ok.


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Remove both heater hoses. Place a garden hose at hose connection on the heaer and see if water passes through. May be plugged so do this to both connections and look for rusty water coming out.


Gene Schneider
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Is there a shut-off valve in the heater or one of the hoses?


How Sweet the roar of a Chevy four!
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DwFinch Offline OP
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Both hoses get hot but the air coming out is only a little warm.

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Then remove the hoses and flush the core with a arden hose....What is the temperature gauge reading when fully warmed up?


Gene Schneider
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DwFinch Offline OP
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It is reading about 2/3 before the middle. What degree thermostat should it have?

Last edited by DwFinch; 12/04/17 04:20 PM.
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DwFinch Offline OP
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no valve


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