Heat EXCHANGER For Heat Pump Operation
WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
The gaseous or vaporous refrigerant that is compressed by the A/C compressor becomes a liquid in the heater core -A-. At the same time, the heat that is released is transferred to the coolant flowing by. Refer to Refrigerant Circuit (vehicle-specific repair information).