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Why would the water not circulate in a car changed thermostat heater core and water pump?

April 26, 2017car changed circulate core heater thermostat water water pump

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Why would the water not circulate in a car changed thermostat heater core and water pump?

1 Answer

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It won’t circulate until the engine is hot. Also: Squeeze the suction hose (bottom hose)from the radiator to the pump, it should have a metal spring inside to keep it from collapsing. The spring may have rusted out and the hose is collapsing upon suction.