no heat changed thermostat water pump on 1999 Ford Expedition

upper hose hot lower hose cold thought it might be a blockage changed radiator still no heat

by in Norwalk, CT on April 10, 2013
1 answer
ANSWER by on April 10, 2013
check heater valve, check blend door switch and motor
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I just bought this 98 Expedition and the heater is blowing cold, just replaced thermostat, and I am trying to figure it out.. Could it be the heater control valve?

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