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Heater not getting real hot, will Raditor flush help? on 2003 Ford Explorer

Will Raditor flush help get more hotter heat?

Asked by for the 2003 Ford Explorer
AGREE WITH BAK EXCEPT CK COOLANT LEVEL 1ST
1 more answer , 1 more comment
No, usually when the engine doesn't get warmed up fully, the heater won't either. The thermostat is probably stuck at full open position and needs replaced.
Thanks