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Home >> Audi >> 2024 >> S3 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Air Conditioning (Precautions, Overviews, Removing And Installing)) >> 87 Air Conditioning >> Front Heater And A/C Unit >> Heater Core, Removing And Installing >> Removing

Heater Core, Removing And Installing: Removing

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.

-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .

-- Move the front seats as far back as possible.

-- Set the airflow direction to the windshield "defroster vent".

-- Switch off the ignition.

-- Remove the driver side footwell vent. Refer to DRIVER SIDE FOOTWELL VENT, REMOVING AND INSTALLING .

-- If installed, remove the driver knee airbag. Refer to OVERVIEW - KNEE AIRBAG .

-- Remove the center console. Refer to CENTER CONSOLE, REMOVING AND INSTALLING .

-- Remove the nut -1- and remove the center console bracket -2-.

GWWA68-10627Courtesy of AUDI OF AMERICA, LLC

-- Push the section of carpet near the threaded connection -1- to the side and cover the area with plenty of absorbent materials.

-- Cover the Airbag Control Module -J234- under the heater with absorbent material to protect it from moisture.

GWWA87-11357Courtesy of AUDI OF AMERICA, LLC

-- Lift the catch -6- and remove the clip -5-.

-- Hold the container -1- under the connection -3- and remove the coolant line -2-. Collect any escaping coolant.

GWWA87-12960Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -3- and remove the screw-type clamp -2-.

GWWA87-11357Courtesy of AUDI OF AMERICA, LLC

-- Position the container -1- to the side and insert a piece of waterproof cardboard or plastic sheet -2- under the connection.

GWWA87-12961Courtesy of AUDI OF AMERICA, LLC

-- Remove the coolant line -3- from the connection -4-. At the same time, hold the cardboard or plastic sheet -2- so that any escaping coolant will flow directly into the container -1-.

-- Immediately seal off any open lines and connections with clean plugs from the Engine Bung Set :VAS6122  .

-- Remove the bolts -1, 3 and 5-.

GWWA87-11358Courtesy of AUDI OF AMERICA, LLC

-- Release the retaining tabs -4- in direction of -arrows- and remove the cover -2-.

-- Fold the cover -2- to the side.

-- Remove the heater core to the left.

-- If necessary, allow any remaining coolant in the heater core to drain outside of the vehicle.