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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 >> A/C Compressor >> Refrigerant Lines, Removing And Installing At A/C Compressor >> Refrigerant Lines, Disconnecting And Connecting At A/C Compressor, Vehicles With 6-Cylinder Engine >> Installing

Refrigerant Lines, Disconnecting And Connecting At A/C Compressor, Vehicles With 6-Cylinder Engine: Installing

Install in reverse order of removal and note the following:

Fig 1: Inspecting Refrigerant Line Connection
GWWA87-10894Courtesy of AUDI OF AMERICA, LLC

Install in reverse order of removal and note the following:

-- Replace the O-rings -3-. For the correct version. Refer to the Parts Information.

-- If equipped, check the alignment pin -4- for damage and proper seating.

-- Check the guide ring -2- on the refrigerant line connection for damage.

-- Insert the O-ring -3- into the groove -arrow- on the refrigerant line connection -1-.

-- Coat the O-rings with refrigerant oil before installing. Refer to REFRIGERANT CIRCUIT SEALS .

-- Install the remaining removed components.

-- Evacuate and charge 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) .

-- Start the A/C system after charging the refrigerant circuit. Refer to A/C SYSTEM, STARTING AFTER CHARGING REFRIGERANT CIRCUIT .