Audi R8 (4S_) from MY 2017
| Vehicle | Adapters Necessary for the Connections to the Reservoir or Receiver/Dryer | Required adapters for the connections to the receiver/dryer (with dryer) | Miscellaneous |
|---|---|---|---|
| Audi R8 (4S_) from MY 2017 | -- Compressor manufacturer "Denso" (block connections with radial sealing)
|
Receiver/Dryer-- Block connections with radial sealing at input and output
|
Expansion valve is removed and Refrigerant Circuits Adapter Set 1 - Adapter 36: VAS6338/44 is installed (or an old expansion valve is drilled on and installed as an adapter). Refer to CLEANING THE REFRIGERANT CIRCUIT, PRELIMINARY WORK (FLUSHING WITH REFRIGERANT R1234YF) => and the Parts Information. The receiver/dryer is removed and both refrigerant line connections are connected to each other using two adapters Refrigerant Circuits Adapter Set 1 - Adapter 45: VAS6338/45 and a commercially available filler hose (short version with 5/8" thread on both sides). |
Depending on the engine, the A/C compressor can only be removed when the engine is removed on the Audi R8. To flush the refrigerant circuit, the refrigerant lines can be removed when the A/C compressor is installed. Refer to Refrigerant Circuit (vehicle-specific repair information). With the A/C compressor installed the refrigerant oil quantity in the A/C compressor cannot be determined, for this reason flushing the refrigerant circuit with the A/C compressor installed would not be productive.
Both installed condensers are flushed in opposite direction of the refrigerant flow direction.
A short version of the filler hose is also included in the Refrigerant Circuits Adapter Set 1: VAS6338/1 .
The receiver/dryer could potentially be flushed but it will take too much refrigerant because of its large internal volume; the receiver/dryer would ice-up too much when extracting the refrigerant, the refrigerant would evaporate too slowly and extraction would be prolonged too much.