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Heater core

(1999 Ford Expedition)
in Exeter, NH on November 14, 2010
I dont have coolant flowing through the heater core therefore no heat, why?
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Popular Answer
on November 14, 2010
could be clogged. have someone take the temp reading of the inlet and outlet of the heater hoses. should be about 140 in and about 132 out.

Roy
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on November 14, 2010
take heater hoses off flush heater core one hose at a time till water runs clear it is hard to get to heater core at fire wall take off at engine or cut and use nipple and clamps back
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