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To remove the heater core from a 1984 Oldsmobile 98 Regency, first, disconnect the battery and drain the coolant from the radiator. Next, remove the dashboard and any necessary components to access the heater core housing. Disconnect the heater core inlet and outlet hoses from the engine compartment, then unbolt and carefully remove the heater core from its housing. Finally, reverse the process for installation, ensuring all connections are sealed properly to prevent leaks.

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1mo ago

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