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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 >> Refrigerant Circuit >> Refrigerant Lines, Disconnecting And Connecting At Condenser >> Removing

Refrigerant Lines, Disconnecting And Connecting At Condenser: Removing

Removing

-- Switch off the ignition.

-- Discharge the refrigerant circuit. Refer to Refrigerant Circuit or Working with A/C Service Station (1 Of 2) / Working with A/C Service Station (2 Of 2) .

-- Remove the left air intake grille. Refer to Front Bumper .

RS5

-- Remove the front bumper cover. Refer to BUMPER COVER, REMOVING AND INSTALLING .

SQ5

-- Remove the lock carrier cover, left and right air intake grille as well as the bumper cover end plate. Refer to Front Bumper .

-- Remove the bolts -arrows- and air duct -1-.

GWWA23-11115Courtesy of AUDI OF AMERICA, LLC

-- Release the left and right catches -arrows- and remove the retaining pin -1- for the radiator upward.

GWWA19-12319Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the air duct -1- near the pass-through for the refrigerant lines with a diagonal cutter -arrows-.

GWWA10-12162Courtesy of AUDI OF AMERICA, LLC

-- Release the catches -arrow- and remove the air ducts -1 and 3-.

GWWA21-11081Courtesy of AUDI OF AMERICA, LLC

-- Secure the radiator on the top again with the retaining pin.

Continuation for All Vehicles

Version 1

GWWA87-12122Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Danger or frostbite due to refrigerant coming out under pressure.

Frostbite on the skin and other parts of the body is possible.

- Wear safety gloves.

- Wear protective eyewear.

- Evacuate or drain refrigerant and open the refrigerant circuit immediately.

- If more than 10 minutes elapse after extracting or draining the refrigerant and the refrigerant circuit was not opened, extract or drain the refrigerant again. Pressure develops in the refrigerant circuit due to evaporation.

-- Remove the bolt -A-.

-- Remove the refrigerant lines -B and C- from the connections on the condenser.

-- Seal the open line connections and the connections on the condenser with clean plugs, for example, from the Engine Bung Set :VAS6122  .

Version 2

GWWA87-12300Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Danger or frostbite due to refrigerant coming out under pressure.

Frostbite on the skin and other parts of the body is possible.

- Wear safety gloves.

- Wear protective eyewear.

- Evacuate or drain refrigerant and open the refrigerant circuit immediately.

- If more than 10 minutes elapse after extracting or draining the refrigerant and the refrigerant circuit was not opened, extract or drain the refrigerant again. Pressure develops in the refrigerant circuit due to evaporation.

-- Remove the bolt -B-.

-- Remove the refrigerant lines -A and C- from the connections on the condenser.

-- Seal the open line connections and the connections on the condenser with clean plugs, for example, from the Engine Bung Set :VAS6122  .