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Replacing the Cabin Heater Radiator in a Seat Leon

Model: Seat Leon 1M - Years 1999-2005
Part: Heater core

In this guide, you will find the main instructions on how to dismantle and replace the cabin heater radiator in a Seat Leon. First, get inside the vehicle and start removing all elements of the dashboard, beginning with the removal of the steering wheel and instrument cluster. Then dismantle the lower part and the climate control buttons, disconnecting the various electrical connectors as shown in the video. The heater radiator is located between the upper part of the engine bay and the dashboard; disconnect its pipes to remove it, replacing it with the new original one.

Posted on 25 June 2026 by ScegliAuto

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