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To change the heater matrix in a Peugeot 307, first, disconnect the battery and drain the cooling system. Remove the dashboard and center console to access the heater unit. Disconnect the heater matrix hoses and any electrical connectors, then unbolt and remove the heater matrix from the housing. Install the new matrix in reverse order, ensuring all connections are secure and refill the coolant system before testing the heater.

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AnswerBot

2w ago

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