LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> Air Conditioning >> 87 Air Conditioning >> Front Heater And A/C Unit >> Heater Core, Removing And Installing >> Heater Core, Preparing For Removal

Heater Core, Preparing For Removal

-- Switch the ignition on.

-- Adjust the airflow direction on the Front A/C Display Control Head -E87- to "DEF" (to the windshield).

-- Adjust the temperature preset on the Front A/C Display Control Head -E87- for the left and right side to "cold".

-- Move the driver and front passenger seats as far back as possible.

-- Switch off the ignition.

-- Remove the driver side instrument panel cover. Refer to DRIVER SIDE INSTRUMENT PANEL COVER, REMOVING AND INSTALLING .

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

-- Remove the glove compartment. Refer to GLOVE COMPARTMENT, REMOVING AND INSTALLING .

-- If equipped, remove the air duct for the glove compartment cooling. Refer to AIR DUCT FOR GLOVE COMPARTMENT COOLING, REMOVING AND INSTALLING .

-- Remove the Fresh Air Blower -V2- with the Fresh Air Blower Control Module -J126-. Refer to Fresh Air Blower -V2- WITH Fresh Air Blower Control Module -J126-, REMOVING AND INSTALLING .

Vehicles with a "High" A/C system

-- Remove the Right Temperature Control Door Motor :V159  (only present on a "High" A/C system). Refer to Right Temperature Control Door Motor -V159-, REMOVING AND INSTALLING .

-- Remove the Rear Temperature Control Door Motor -V137-. Refer to Rear Temperature Control Door Motor -V137-, REMOVING AND INSTALLING .

Continuation for vehicles with an auxiliary heater

-- Release the locking mechanism -B- on the connector -A- to the Auxiliary Heater Heating Element -Z35- and release the connector -A-.

GWWA87-12125Courtesy of AUDI OF AMERICA, LLC

-- Remove the Auxiliary Heater Heating Element -Z35-. Refer to Auxiliary Heater Heating Element -Z35-, REMOVING AND INSTALLING .

-- Remove the bolts -A- and the cover -B- for the right heat exchanger.

GWWA87-12127Courtesy of AUDI OF AMERICA, LLC

Continuation for vehicles without an auxiliary heater

GWWA87-11704Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -B- and the cover -A- for the right heat exchanger.

-- Remove the zone partition grille -C- (only present on vehicles with a "High" A/C system).

Continuation for All Vehicles

Refer to HEATER CORE, REMOVING AND INSTALLING