Heater not working, is this a heater valve problem or a heater core problem?

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Heater was working fine one day then it just stopped working, blower works fine. Heater core and valve original equipment.

mrfixit63 in Lakewood CA

·

Dec 20, 2011

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2 Replies

Popular Answer
euromechon Dec 20, 2011

Did you checked coolant level? It is unlikelly that heater core gets clogged from one day to the other.

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zisteron Dec 21, 2011

Yes, unless the cable controling the flapper valve on the heater box is broken or binding, you could bypass the valve & that should tell you.

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