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How to Install the Heater Core on an Audi A6

Model: Audi A6 MK 2, C5 - Years 1997-2004
Part: Heater core

In this video, see how to install the heater core on an Audi A6. Insert the new heater core into the housing where the old one was removed, and tighten the screws of the black plastic cover over the heater core with a screwdriver. Now connect the two hoses and tighten the metal clamps. Also connect the two hoses (tighten the clamps) for the heater core in the engine compartment. Prepare to install the plastic covers of the center tunnel (located under the dashboard). Disconnect the heater core that goes into the cabin. Let's install the new piece.

Updated on 28 February 2026 by ScegliAuto

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