Air conditioning / heater core question
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Air conditioning / heater core question
Hi
I have a 1996 SE Bonneville with the regular manual type of HVAC. It does not blow very cold air when in the a/c mode. It is adequetely but that is about all I can say about it.
My question is this. What controls the flow of engine coolant water to the heater core? I would immagine that it must be shut off when you want to use your a/c. In the old days, there was a vacuum actuated valve that would stop the flow of coolant. Is there an equivelant device on my 96 Bonneville?
Thanks for your help
Andy
I have a 1996 SE Bonneville with the regular manual type of HVAC. It does not blow very cold air when in the a/c mode. It is adequetely but that is about all I can say about it.
My question is this. What controls the flow of engine coolant water to the heater core? I would immagine that it must be shut off when you want to use your a/c. In the old days, there was a vacuum actuated valve that would stop the flow of coolant. Is there an equivelant device on my 96 Bonneville?
Thanks for your help
Andy
#2
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There is no shutoff for coolant passing through the heater core that I know of. There is only an air mix door that when fully closed does not allow air to pass through the heater core.
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