Audi A3 from MY 2017, Audi A3 from MY 2021

WARNING: This page is about a different car, the 2022 Audi S3, 2022 Audi RS 3, 2022 Audi A3 Quattro, and 2022 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Vehicle	Required Adapters for the Connections to A/C Compressor	Adapters Necessary for the Connections to the Reservoir or Receiver/Dryer	Miscellaneous
Audi Q2 (GA_) from MY 2017 Audi A3 (8V_/ 85_) from MY 2017 Audi TT (FV_) from MY 2017 Audi Q3 (F3_) from MY 2019 Audi A1 (GB) from MY 2019 Audi A3 (8Y_) from MY 2021	Low pressure side: Refrigerant Circuits Adapter Set 1 - Adapter 12 :VAS6338/12 connected to the A/C Service Station and the Refrigerant Circuit Adapter Set - Adapter :VAS6338/48 High pressure side: Refrigerant Circuits Adapter Set 1 - Adapter 3 :VAS6338/3	Receiver/dryer (different versions)-- No adapter necessary, the receiver/dryer remains installed (or is integrated in the condenser).-- Depending on the condenser version, remove the dryer cartridge from the receiver/dryer on the condenser before flushing and then seal the opening again (see note).	Expansion valve remove and installed with the Refrigerant Circuits - Adapter 38 :VAS6338/38 (or a drilled open expansion valve, refer to PRELIMINARY WORK TO CLEAN REFRIGERANT CIRCUIT (FLUSHING WITH REFRIGERANT R1234YF) - If there is no adapter suitable for the expansion valve in the Passenger Vehicle Adapter Set Volkswagen/Audi, the removed expansion valve can also be drilled open (the old expansion valve must be replaced in most cases and is therefore no longer required). .)

NOTE:

Depending on the condenser manufacturer, the receiver/dryer version is different. On some versions for example the receiver/dryer is integrated in the condenser. The integrated receiver/dryer has a dryer cartridge that is no longer available as a replacement part. Therefore, if there is a complaint regarding a vehicle with a condenser with an integrated receiver/dryer, it may be necessary to replace the entire condenser after correcting the complaint. Refer to the Parts Information and Refrigerant Circuit (vehicle-specific Service Information).

Condensers with an integrated receiver/dryer or dryer cartridge that cannot be replaced separately or is not available as a replacement part, the condenser must be replaced after flushing (with the dryer cartridge installed). Refer to Refrigerant Circuit (vehicle-specific Service Information) and the Parts Information.