how much should a heater core replacement cost? on 2002 Chevrolet S10

steam coming out of vents after the radiator was replaced

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3 answers
the heater cole
Around $800 which I did myself and wish Ive paid the $800. It took me 6hrs to take out the Heater core with some help from youtube. Now heat wont blow from the front vents ( motor vale or temp control switch probably went bad )
My labor guide says it is about a 9 hour job if you have air conditioning to replace the heater core parts would be another $175 or so.