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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 (Refrigerant R134A Servicing) (1 Of 2) >> 87 Air Conditioning >> Refrigerant Circuit Components, Replacing >> Components, Replacing >> Dryer Cartridge And Dryer Bag, Replacing Without The Need For Flushing Refrigerant Circuit

Dryer Cartridge And Dryer Bag, Replacing Without The Need For Flushing Refrigerant Circuit

NOTE:

Cleaning the refrigerant circuit means flushing it with refrigerant R134a. Refer to REFRIGERANT CIRCUIT, CLEANING (FLUSHING) WITH REFRIGERANT R134A or blowing through with compressed air and nitrogen. Refer to REFRIGERANT CIRCUIT, FLUSHING WITH COMPRESSED AIR AND NITROGEN .

For example, no escape of refrigerant and no ingress of moisture and dirt into circuit.

-- Discharge the refrigerant circuit.

-- Replace the dryer cartridge. Refer to Refrigerant Circuit .

-- Assemble, evacuate and charge the refrigerant circuit.