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check your owners manual and check what kind of heater you have electrical or "conventional"(works with antifreze) because since they are difrrent units they have diffrent causes for a no heat condition. if you have a conventional heater core try having the cooling system flush.(professionaly) or buy the "preston flush and fill kit" if that don't work then you may need to change that core, which in many vehicles the entire dash board needs to be taken out in order to reach the core.

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19y ago

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