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Heater blows luke warm air in dodge diesel and can hear water flowing in heater core when started. I changed the thermostat and covered the radiator and my motor only runs at 160 degrees

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If u can try and take a the heater core hoses off under the hood and take a water hose and run water thru the heater core on both ends the in and out cause there could be junk in there causing it not to flow properly

Posted on Dec 12, 2009

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