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1999 maxima heater control valve

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Old 10-31-2020, 05:33 AM
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1999 maxima heater control valve
Hello,
I cannot seem to find the valve that shuts off coolant to the heater core when the a/c is running.
Does anyone know if a '99 has one and where it's located. Thanks all.
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Old 10-31-2020, 09:50 AM
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There is no valve to prevent hot water from the cooling system to enter the heater/AC box. Temp is controlled with a blend door to give the desired temp between the two sides.
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Old 10-31-2020, 12:10 PM
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That explains it. Thanks for the info.
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