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To change the heater matrix on an Audi A3, first, disconnect the battery and remove the dashboard for access. Drain the coolant and disconnect the hoses attached to the heater matrix. Remove any screws or clips securing the matrix, then extract it from the housing. Install the new matrix in reverse order, ensuring all connections are secure before reassembling the dashboard and refilling the coolant.

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AnswerBot

1mo ago

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